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Dayang Chem (Hangzhou) Co.,Ltd.

As a leading manufacturer and supplier of chemicals in China, DayangChem not only supply popular chemicals, but also DayangChem's R&D center offer custom synthesis services. DayangChem can provide different quantities of custom synthesis ch

tert-Butyl [(1S,2R)-1-benzyl-2-hydroxy-3-(isobut

Cas:160232-08-6

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

inquiry

Simagchem Corporation

Welcome to Simagchem, your partner in China as a premier supply of bulk specialty chemicals for industry and life science. We introduce experienced quality product and exceptional JIT service with instant market intelligence in China to benefit our

Hebei yanxi chemical co.,LTD.

Hebei yanxi chemical co. LTD. has expanded a compositive entity from initially only as a small manufacturer. The company dedicated to the development, production and marketing of chemicals. After many years of efforts, we have established stable

Carbamic acid,N-[(1S,2R)-2-hydroxy-3-[(2-methylpropyl)amino]-1-(phenylmethyl)propyl]-,1,1-dimethylethyl ester

Cas:160232-08-6

Min.Order:1 Metric Ton

FOB Price: $1.0 / 2.0

Type:Manufacturers

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Ality Chemical Corporation

The above product is Ality Chemical's strong item with best price, good quality and fast supply. Ality Chemical has been focusing on the research and production of this field for over 14 years. At the same time, we are always committed to providi

Chemwill Asia Co., Ltd.

Our main production base is located in Xuzhou industry park. We are certified both to the ISO 9001 and ISO 14001 Standards, have a safety management system in place.Our R&D team masters core technology for process-design of target building block

tert-Butyl-[(1S,2R)-1-benzyl-2-hydroxy-3-(isobutylamino)-propyl]-carbamate

Cas:160232-08-6

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

Hebei Nengqian Chemical Import and Export Co., LTD

Our advantages: 1. All inquiries will be replied within 12 hours. 2. Dedication to quality, supply & service. 3. Strictly on selecting raw materials. 4. Reasonable & competitive price, fast lead time. 5. Sample is available for your eva

tert-Butyl [(1S,2R)-1-Benzyl-2-hydroxy-3-(isobutylamino)propyl]carbamate

Cas:160232-08-6

Min.Order:1 Kilogram

FOB Price: $9.0 / 99.0

Type:Trading Company

inquiry

Henan Tianfu Chemical Co., Ltd.

Our company was built in 2009 with an ISO certificate.In the past 5 years, we have grown up as a famous fine chemicals supplier in China and we had established stable business relationships with Samsung,LG,Merck,Thermo Fisher Scientific and so on.O

160232-08-6 tert-Butyl [(1S,2R)-1-Benzyl-2-hydroxy-3-(isobutylamino)propyl]carbamate C19H32N2O3

Cas:160232-08-6

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Zhuozhou Wenxi import and Export Co., Ltd

WITH US,YOUR MONEY IN SAFE,YOUR BUSINESS IN SAFE 1)Quick Response Within 12 hours; 2)Quality Guarantee: All products are strictly tested by our QC, confirmed by QA and approved by third party lab in China, USA, Canada, Germany, UK, Italy, France et

Pharmaceutical Grade CAS 160232-08-6 with competitive price

Cas:160232-08-6

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

inquiry

Henan Wentao Chemical Product Co., Ltd.

We are leading fine chemicals supplier in China and we had established stable business relationships with Samsung,LG,Merck,Thermo Fisher Scientific and so on.Our main business covers the fields below: 1.Noble Metal Catalysts (Pt.Pd...) 2.Orga

tert-Butyl [(1S,2R)-1-Benzyl-2-hydroxy-3-(isobutylamino)propyl]carbamateCAS NO.160232-08-6

Cas:160232-08-6

Min.Order:1 Kilogram

FOB Price: $5.0

Type:Lab/Research institutions

inquiry

Shijiazhuang Sdyano Fine Chemical Co., Ltd

1. Best prices with satisfied quality; 2. It's clients' right to choose the package's Courier (EMS, DHL, FedEx, UPS); 3.It's clients' right to choose the packing way for his produccts from many recent effective packing ways;

tert-Butyl [(1S,2R)-1-Benzyl-2-hydroxy-3-(isobutylamino)propyl]carbamate

Cas:160232-08-6

Min.Order:0 Metric Ton

Negotiable

Type:Trading Company

inquiry

Qingdao Beluga Import and Export Co., LTD

tert-Butyl [(1S,2R)-1-Benzyl-2-hydroxy-3-(isobutylamino)propyl]carbamate CAS:160232-08-6 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical int

tert-Butyl [(1S,2R)-1-Benzyl-2-hydroxy-3-(isobutylamino)propyl]carbamate CAS:160232-08-6

Cas:160232-08-6

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Shandong Hanjiang Chemical Co., Ltd.

Hello, dear friend! I'm Hansen and Allen from China. Welcome to my lookchem mall! The following is a brief introduction of our company's products and services. If you are interested in our products, please contact us by emai

Carbamic acid,N-[(1S,2R)-2-hydroxy-3-[(2-methylpropyl)amino]-1-(phenylmethyl)propyl]-,1,1-dimethylethyl ester

Cas:160232-08-6

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Afine Chemicals Limited

Company Introduction 1. Established in 2005, with two independent business divisions: Fine chemicals division; Pharmaceutical division. 2. Main product: Optical brightener Textile auxiliary Dye stuff Pigments

([1S,2R]-(1-BENZYL-2-HYDROXY-3-(ISOBUTYL-AMINO)-PROPYL)CARBAMIC ACID TERT-BUTYLESTER

Cas:160232-08-6

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

SHANGHAI T&W PHARMACEUTICAL CO., LTD.

A substitute for perfluorooctanoic acid, mainly used as a surfactant, dispersant, additive, etc Appearance:White solid or Colorless liquid Purity:99.3 % We will ship the goods in a timely manner as required We can provide relevant documents acc

tert-Butyl [(1S,2R)-1-Benzyl-2-hydroxy-3-(isobutylamino)propyl]carbamate

Cas:160232-08-6

Min.Order:4 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou J&H Chemical Co., Ltd.

J&H CHEM R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. J&H CHEM has some Manufacturing base in Jia

([1S,2R]-(1-Benzyl-2-hydroxy-3-(isobutyl-amino)propyl)carbamic acid tert-butylester

Cas:160232-08-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Chemlyte Solutions

Chemlyte Solutions believe that customers and suppliers deserve much more than what traditional distributors can offer. To grow in today s fast-paced and increasingly competitive market it is essential to be able to quickly adapt to market forces eff

Zibo Hangyu Biotechnology Development Co., Ltd

Zibo Hangyu Biotechnology Development Co., Ltd is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemi

High quality tert-Butyl [(1S,2R)-1-Benzyl-2-hydroxy-3-(isobutylamino)propyl]carbamate

Cas:160232-08-6

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

inquiry

Siwei Development Group Ltd.

Product name: Tert-Butyl[(1S,2R)-1-Benzyl-2-Hydroxy-3-(Isobutylamino)propyl]carbamate CAS No.:160232-08-6 Molecule Formula:C19H32N2O3 Molecule Weight:336.47 Purity: 98.0% Package: 25kg/drum Description:Light yellow powder Manufacture

Best Quality Tert-Butyl[(1S,2R)-1-Benzyl-2-Hydroxy-3-(Isobutylamino)propyl]carbamate

Cas:160232-08-6

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

Senova Technology Company Limited

high purity Application:Pharmaceutical intermediates

tert-Butyl [(1S,2R)-1-Benzyl-2-hydroxy-3-(isobutylamino)propyl]carbamate

Cas:160232-08-6

Min.Order:500 Gram

Negotiable

Type:Trading Company

inquiry

Suzhou Health Chemicals Co., Ltd.

High quality,stable supply chain.Appearance:white/off-white or light yellow Storage:Store in cool and dry place, keep away from strong light and heat. Package:aluminum bottle,glass bottle,PTFE bottle,cardboard drum Application:This product can be use

tert-Butyl [(1S,2R)-1-benzyl-2-hydroxy-3-(isobutylamino)propyl]carbamate

Cas:160232-08-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

SAGECHEM LIMITED

SAGECHEM is a chemical R&D, manufacturing and distribution company in China since 2009, including pharmaceutical intermediates, agrochemical, dyestuff intermediates, organosilicone, API and etc. We also offer a full range of services in custom synthe

tert-Butyl [(1S,2R)-1-Benzyl-2-hydroxy-3-(isobutylamino)propyl]carbamate

Cas:160232-08-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

GIHI CHEMICALS CO.,LIMITED

Lower price, sample is available,SDS test documents are available,large stock in warehouseAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:Fine chemical intermediates, used as the main raw material for the synthe

Wuxi TAA Chemical Industry Co.,LTD.

1.A strong technical force and advanced processing equipments. The quality of the products has been strictly inspected and all kinds of index have reached or exceeded domestic and international standards.2. Now we have established long-term stable re

JINHUA HUAYI CHEMICAL CO., LTD.

Jinhua huayi chemical co., ltd. is dedicated to the development, production and marketing of chemicals. On the basis of equality and mutual benefit, and under the principle of customer first, credit first, quality first, we are ready to join hands

([1S,2R]-(1-Benzyl-2-Hydroxy-3-(Isobutyl-Amino)Propyl)Carbamic Acid Tert-Butylester

Cas:160232-08-6

Min.Order:100 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Henan Allgreen Chemical Co.,Ltd

high quality Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea

tert-Butyl [(1S,2R)-1-Benzyl-2-hydroxy-3-(isobutylaMino)propyl]carbaMate

Cas:160232-08-6

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Aecochem Corp.

Our clients, like BASF,CHEMO,Brenntag,ASR,Evonik,Merck and etc.Appearance:COA Storage:in stock Application:MSDS/TDS

tert-Butyl [(1S,2R)-1-Benzyl-2-hydroxy-3-(isobutylamino)propyl]carbamate

Cas:160232-08-6

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Hubei Taiho Chemical Co.,LTD

TAIHO Unique Advantages:1.We're factory2.Free samples available3.Commodity inspection can be done4.ISO9001,Kosher certifications5.10 years experiences Storage:Store in cool &dry place Package:aluminium foil bag/fiber can/plastic drum Application:comp

tert-Butyl [(1S,2R)-1-Benzyl-2-hydroxy-3-(isobutylamino)propyl]carbamate

Cas:160232-08-6

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Koning Pharmchem Co., Ltd.

KONING PHARMCHEM CO., LTD. has committed itself to a strategy of providing a unique service for companies involved in the manufacture of pharmaceuticals, healthcare products, food, cosmetics and other fine chemicals. Our products including but not li

([1S,2R]-(1-Benzyl-2-hydroxy-3-(isobutyl-amino)propyl)carbamic acid tert-butylester

Cas:160232-08-6

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Antimex Chemical Limied

Ansciep Chemical is a professional enterprise manufacturing and distributing fine chemicals and speciality chemicals. We have been dedicated to heterocycle compounds and phenyl rings for tens of years. This is our mature product for export. Our quali

Guangdong Juda Chemical Industrial Co.,Limited

Appearance:solid or liquid Storage:sealed in cool and dry place Package:As customer's requested Application:Pharma Intermediate Transportation:by courier/air/sea Port:Any port in China

Synthetic route

isobutylamine
78-81-9

isobutylamine

(1-oxiranyl-2-phenylethyl)carbamic acid tert-butyl ester
98760-08-8, 98818-34-9, 98818-35-0, 103127-56-6, 98737-29-2

(1-oxiranyl-2-phenylethyl)carbamic acid tert-butyl ester

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol
160232-08-6

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol

Conditions
ConditionsYield
In isopropyl alcohol at 20℃;100%
In isopropyl alcohol at 60℃; for 6h;100%
In isopropyl alcohol at 60℃; Inert atmosphere;100%
isobutylamine
78-81-9

isobutylamine

tert-butyl ((2S,3S)-4-chloro-3-hydroxy-1-phenylbutan-2-yl)carbamate
165727-45-7

tert-butyl ((2S,3S)-4-chloro-3-hydroxy-1-phenylbutan-2-yl)carbamate

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol
160232-08-6

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol

Conditions
ConditionsYield
With potassium hydroxide In ethanol at 15 - 20℃; Large scale;97.3%
With sodium carbonate In water at 60 - 65℃; for 3h;105 g
With sodium carbonate In water at 60 - 65℃; for 3h;105 g
isobutylamine
78-81-9

isobutylamine

(2R,3S)-3-[N-(tert-butyloxycarbonyl)amino]-1,2-epoxy-4-phenylbutane
98760-08-8

(2R,3S)-3-[N-(tert-butyloxycarbonyl)amino]-1,2-epoxy-4-phenylbutane

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol
160232-08-6

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol

Conditions
ConditionsYield
In isopropyl alcohol at 20 - 30℃; Solvent;94.67%
In isopropyl alcohol at 80℃; for 2.5h;93%
In isopropyl alcohol at 80℃; for 2.5h;
isobutyraldehyde
78-84-2

isobutyraldehyde

(1S,2R)-(3-amino-1-benzyl-2-hydroxy-propyl)-carbamic acid tert butyl ester
162536-42-7

(1S,2R)-(3-amino-1-benzyl-2-hydroxy-propyl)-carbamic acid tert butyl ester

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol
160232-08-6

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol

Conditions
ConditionsYield
With sodium tris(acetoxy)borohydride In ethanol at 0 - 20℃; for 5h; Reagent/catalyst;81.6%
With hydrogen; platinum(IV) oxide In methanol under 7600 Torr; for 2h; Ambient temperature;80%
isobutylamine
78-81-9

isobutylamine

(2R,3S)-3-[N-(tert-butyloxycarbonyl)amino]-1,2-epoxy-4-phenylbutane
98760-08-8

(2R,3S)-3-[N-(tert-butyloxycarbonyl)amino]-1,2-epoxy-4-phenylbutane

A

tert-butyl [(1S,2R)-1-benzyl-2-hydroxy-3-(isobutylamino)propyl]-N-[(1S,2R)-1-benzyl-2-hydroxypropyl]carbamate

tert-butyl [(1S,2R)-1-benzyl-2-hydroxy-3-(isobutylamino)propyl]-N-[(1S,2R)-1-benzyl-2-hydroxypropyl]carbamate

B

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol
160232-08-6

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol

Conditions
ConditionsYield
In toluene at 20 - 30℃; Solvent;A n/a
B 80%
isobutylamine
78-81-9

isobutylamine

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol
160232-08-6

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol

Conditions
ConditionsYield
With 3S-(N-t-butoxycarbonyl)amino-2R-hydroxy-4-phenylbut-1-yl toluenesulfonate In isopropyl alcohol; toluene at 80 - 85℃; for 1.5h;76.8%
C19H31N3O4
188404-01-5

C19H31N3O4

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol
160232-08-6

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol

Conditions
ConditionsYield
With hydrogen; nickel In tetrahydrofuran under 760 Torr; Ambient temperature;64%
2(R)-((tert-butyloxycarbonyl)amino)-1,4-dichloro-3(S)-hydroxybutane
326479-99-6

2(R)-((tert-butyloxycarbonyl)amino)-1,4-dichloro-3(S)-hydroxybutane

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol
160232-08-6

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol

Conditions
ConditionsYield
Multi-step reaction with 5 steps
1.1: p-TsOH*H2O / CH2Cl2
2.1: NaH / tetrahydrofuran
3.1: CuBr*SMe2 / tetrahydrofuran
4.1: p-TsOH*H2O
4.2: KOH / methanol
5.1: 90 percent / propan-2-ol / 5 h / 50 °C
View Scheme
Multi-step reaction with 5 steps
1: 100 percent / imidazole; DMAP / dimethylformamide / 12 h / 50 °C
2: 100 percent / NaH / tetrahydrofuran / 5 h / 0 °C
3: 75 percent / CuBr*Me2S / toluene; tetrahydrofuran / -78 - -20 °C
4: Bu4NF / tetrahydrofuran
5: 90 percent / propan-2-ol / 5 h / 50 °C
View Scheme
Multi-step reaction with 5 steps
1.1: 100 percent / imidazole; DMAP / dimethylformamide / 12 h / 50 °C
2.1: 100 percent / NaH / tetrahydrofuran / 5 h / 0 °C
3.1: 82 percent / Et3N / methanol / 18 h / 20 °C
4.1: TBAF / tetrahydrofuran / 0.67 h / 20 °C
4.2: 75 percent / KOH / methanol / 2 h / 20 °C
5.1: 90 percent / propan-2-ol / 5 h / 50 °C
View Scheme
N-t-butyloxycarbonyl-2(S)-(1(S)-t-butyldimethylsilyloxy-2-chloroethyl)aziridine
326480-01-7

N-t-butyloxycarbonyl-2(S)-(1(S)-t-butyldimethylsilyloxy-2-chloroethyl)aziridine

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol
160232-08-6

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 75 percent / CuBr*Me2S / toluene; tetrahydrofuran / -78 - -20 °C
2: Bu4NF / tetrahydrofuran
3: 90 percent / propan-2-ol / 5 h / 50 °C
View Scheme
Multi-step reaction with 3 steps
1.1: 82 percent / Et3N / methanol / 18 h / 20 °C
2.1: TBAF / tetrahydrofuran / 0.67 h / 20 °C
2.2: 75 percent / KOH / methanol / 2 h / 20 °C
3.1: 90 percent / propan-2-ol / 5 h / 50 °C
View Scheme
(S)-2-[(S)-2-Chloro-1-(tetrahydro-pyran-2-yloxy)-ethyl]-aziridine-1-carboxylic acid tert-butyl ester
357604-37-6

(S)-2-[(S)-2-Chloro-1-(tetrahydro-pyran-2-yloxy)-ethyl]-aziridine-1-carboxylic acid tert-butyl ester

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol
160232-08-6

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1.1: CuBr*SMe2 / tetrahydrofuran
2.1: p-TsOH*H2O
2.2: KOH / methanol
3.1: 90 percent / propan-2-ol / 5 h / 50 °C
View Scheme
2(S)-t-butyldimethylsilyloxy-3(R)-(t-butyloxycarbonyl)amino-1,4-dichlorobutane
326480-00-6

2(S)-t-butyldimethylsilyloxy-3(R)-(t-butyloxycarbonyl)amino-1,4-dichlorobutane

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol
160232-08-6

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: 100 percent / NaH / tetrahydrofuran / 5 h / 0 °C
2: 75 percent / CuBr*Me2S / toluene; tetrahydrofuran / -78 - -20 °C
3: Bu4NF / tetrahydrofuran
4: 90 percent / propan-2-ol / 5 h / 50 °C
View Scheme
Multi-step reaction with 4 steps
1.1: 100 percent / NaH / tetrahydrofuran / 5 h / 0 °C
2.1: 82 percent / Et3N / methanol / 18 h / 20 °C
3.1: TBAF / tetrahydrofuran / 0.67 h / 20 °C
3.2: 75 percent / KOH / methanol / 2 h / 20 °C
4.1: 90 percent / propan-2-ol / 5 h / 50 °C
View Scheme
[(1R,2S)-3-Chloro-1-chloromethyl-2-(tetrahydro-pyran-2-yloxy)-propyl]-carbamic acid tert-butyl ester
357604-36-5

[(1R,2S)-3-Chloro-1-chloromethyl-2-(tetrahydro-pyran-2-yloxy)-propyl]-carbamic acid tert-butyl ester

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol
160232-08-6

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1.1: NaH / tetrahydrofuran
2.1: CuBr*SMe2 / tetrahydrofuran
3.1: p-TsOH*H2O
3.2: KOH / methanol
4.1: 90 percent / propan-2-ol / 5 h / 50 °C
View Scheme
[(1S,2S)-1-Benzyl-3-chloro-2-(tetrahydro-pyran-2-yloxy)-propyl]-carbamic acid tert-butyl ester
357604-38-7

[(1S,2S)-1-Benzyl-3-chloro-2-(tetrahydro-pyran-2-yloxy)-propyl]-carbamic acid tert-butyl ester

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol
160232-08-6

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: p-TsOH*H2O
1.2: KOH / methanol
2.1: 90 percent / propan-2-ol / 5 h / 50 °C
View Scheme
2(S)-t-butyldimethylsilyloxy-3(S)-(t-butyloxycarbonyl)amino-1-chloro-4-phenylbutane
326480-02-8

2(S)-t-butyldimethylsilyloxy-3(S)-(t-butyloxycarbonyl)amino-1-chloro-4-phenylbutane

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol
160232-08-6

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: Bu4NF / tetrahydrofuran
2: 90 percent / propan-2-ol / 5 h / 50 °C
View Scheme
(3S)-t-butyldimethylsilyloxy-(2R)-(t-butyloxycarbonyl)amino-4-chloro-1-phenylthiobutane
357604-39-8

(3S)-t-butyldimethylsilyloxy-(2R)-(t-butyloxycarbonyl)amino-4-chloro-1-phenylthiobutane

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol
160232-08-6

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: TBAF / tetrahydrofuran / 0.67 h / 20 °C
1.2: 75 percent / KOH / methanol / 2 h / 20 °C
2.1: 90 percent / propan-2-ol / 5 h / 50 °C
View Scheme
(2S,3S)-3-Amino-1-benzyloxy-4-phenyl-butan-2-ol
1053517-88-6

(2S,3S)-3-Amino-1-benzyloxy-4-phenyl-butan-2-ol

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol
160232-08-6

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: CH2Cl2 / 3 h / 23 °C
2: 356 mg / H2 / Pd(OH)2 / ethyl acetate; methanol / 12 h
3: 61 percent / PPh3, DEAD / CHCl3 / 72 h / Heating
4: propan-2-ol / 3.5 h / 68 °C
View Scheme
(4S,5S)-4-benzyl-5-benzyloxymethyl-1,3-oxazolidin-2-one
193953-56-9

(4S,5S)-4-benzyl-5-benzyloxymethyl-1,3-oxazolidin-2-one

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol
160232-08-6

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol

Conditions
ConditionsYield
Multi-step reaction with 5 steps
1: KOH / ethanol; H2O / 17 h / Heating
2: CH2Cl2 / 3 h / 23 °C
3: 356 mg / H2 / Pd(OH)2 / ethyl acetate; methanol / 12 h
4: 61 percent / PPh3, DEAD / CHCl3 / 72 h / Heating
5: propan-2-ol / 3.5 h / 68 °C
View Scheme
((1S,2S)-1-Benzyl-3-benzyloxy-2-hydroxy-propyl)-carbamic acid tert-butyl ester
193953-57-0

((1S,2S)-1-Benzyl-3-benzyloxy-2-hydroxy-propyl)-carbamic acid tert-butyl ester

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol
160232-08-6

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 356 mg / H2 / Pd(OH)2 / ethyl acetate; methanol / 12 h
2: 61 percent / PPh3, DEAD / CHCl3 / 72 h / Heating
3: propan-2-ol / 3.5 h / 68 °C
View Scheme
di-tert-butyl dicarbonate
24424-99-5

di-tert-butyl dicarbonate

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol
160232-08-6

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: CH2Cl2 / 3 h / 23 °C
2: 356 mg / H2 / Pd(OH)2 / ethyl acetate; methanol / 12 h
3: 61 percent / PPh3, DEAD / CHCl3 / 72 h / Heating
4: propan-2-ol / 3.5 h / 68 °C
View Scheme
(2S,3S)-3-(t-butoxycarbonylamino)-4-phenylbutane-1,2-diol
149451-80-9

(2S,3S)-3-(t-butoxycarbonylamino)-4-phenylbutane-1,2-diol

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol
160232-08-6

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 61 percent / PPh3, DEAD / CHCl3 / 72 h / Heating
2: propan-2-ol / 3.5 h / 68 °C
View Scheme
N-tert-butoxycarbonyl-L-phenylalanine
13734-34-4

N-tert-butoxycarbonyl-L-phenylalanine

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol
160232-08-6

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: 1.) CDI, 2.) t-BuOK / 1.) THF, room temperature, 2 h, 2.) THF, room temperature, 15 h
2: 69 percent / NaBH4 / methanol; tetrahydrofuran / 1 h / 0 °C
3: 89 percent / H2 / Raney Ni / methanol / 17 h / 35 °C / 30400 Torr
4: 80 percent / H2 / PtO2 / methanol / 2 h / 7600 Torr / Ambient temperature
View Scheme
Multi-step reaction with 3 steps
1: 1.) CDI, 2.) t-BuOK / 1.) THF, room temperature, 2 h, 2.) THF, room temperature, 15 h
2: NaBH4, TiCl4 / 1,2-dimethoxy-ethane / 1 h / -5 °C
3: 80 percent / H2 / PtO2 / methanol / 2 h / 7600 Torr / Ambient temperature
View Scheme
Multi-step reaction with 3 steps
1: triethylamine
2: aluminum sec-butoxide / toluene; 2-methyl-propan-1-ol / 15 - 20 °C / Large scale
3: potassium hydroxide / ethanol / 15 - 20 °C / Large scale
View Scheme
Multi-step reaction with 5 steps
1.1: dmap; dicyclohexyl-carbodiimide / dichloromethane / 5 h / 20 °C
2.1: potassium hydroxide / N,N-dimethyl-formamide / 1 h / 10 - 25 °C
2.2: 20 - 25 °C
3.1: aluminum tri-tert-butoxide / isopropyl alcohol / 2 h / 60 - 65 °C
4.1: 5%-palladium/activated carbon; hydrogen / ethanol / 5 h / 30 - 40 °C / 3800.26 Torr
5.1: sodium tris(acetoxy)borohydride / ethanol / 5 h / 0 - 20 °C
View Scheme
Multi-step reaction with 5 steps
1.1: dmap; dicyclohexyl-carbodiimide / dichloromethane / 5 h / 20 °C
2.1: potassium tert-butylate / dimethyl sulfoxide / 1 h / 10 - 25 °C
2.2: 20 - 25 °C
3.1: aluminum tri-tert-butoxide / isopropyl alcohol / 2 h / 60 - 65 °C
4.1: 5%-palladium/activated carbon; hydrogen / ethanol / 5 h / 30 - 40 °C / 3800.26 Torr
5.1: sodium tris(acetoxy)borohydride / ethanol / 5 h / 0 - 20 °C
View Scheme
(2S,3R)-N-tert-butyloxycarbonyl-2-amino-3-hydroxy-1-phenyl-4-nitrobutane
161282-72-0

(2S,3R)-N-tert-butyloxycarbonyl-2-amino-3-hydroxy-1-phenyl-4-nitrobutane

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol
160232-08-6

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 89 percent / H2 / Raney Ni / methanol / 17 h / 35 °C / 30400 Torr
2: 80 percent / H2 / PtO2 / methanol / 2 h / 7600 Torr / Ambient temperature
View Scheme
(S)-3-tert-butoxycarbonylamino-1-nitro-4-phenyl-2-butanone
174302-72-8

(S)-3-tert-butoxycarbonylamino-1-nitro-4-phenyl-2-butanone

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol
160232-08-6

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 69 percent / NaBH4 / methanol; tetrahydrofuran / 1 h / 0 °C
2: 89 percent / H2 / Raney Ni / methanol / 17 h / 35 °C / 30400 Torr
3: 80 percent / H2 / PtO2 / methanol / 2 h / 7600 Torr / Ambient temperature
View Scheme
Multi-step reaction with 2 steps
1: NaBH4, TiCl4 / 1,2-dimethoxy-ethane / 1 h / -5 °C
2: 80 percent / H2 / PtO2 / methanol / 2 h / 7600 Torr / Ambient temperature
View Scheme
Multi-step reaction with 3 steps
1: aluminum tri-tert-butoxide / isopropyl alcohol / 2 h / 60 - 65 °C
2: 5%-palladium/activated carbon; hydrogen / ethanol / 5 h / 30 - 40 °C / 3800.26 Torr
3: sodium tris(acetoxy)borohydride / ethanol / 5 h / 0 - 20 °C
View Scheme
N-nitroso-N-methylisobutylamine
34419-76-6

N-nitroso-N-methylisobutylamine

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol
160232-08-6

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 66 percent / LDA / tetrahydrofuran / -78 °C
2: 89 percent / H2 / 20percent Pd(OH)2/C / ethyl acetate / 760 Torr / Ambient temperature
3: 64 percent / H2 / Raney nickel / tetrahydrofuran / 760 Torr / Ambient temperature
View Scheme
(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol
160232-08-6

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 66 percent / LDA / tetrahydrofuran / -78 °C
2: 89 percent / H2 / 20percent Pd(OH)2/C / ethyl acetate / 760 Torr / Ambient temperature
3: 64 percent / H2 / Raney nickel / tetrahydrofuran / 760 Torr / Ambient temperature
View Scheme
Multi-step reaction with 5 steps
1: lithium / tetrahydrofuran / 3 h / -65 °C / Inert atmosphere
2: palladium hydroxide on carbon; hydrogen / methanol / 4 h / 20 °C / 760.05 Torr
3: triethylamine / tetrahydrofuran / 20 °C / Cooling with ice
4: potassium hydroxide / tetrahydrofuran; methanol / Cooling with ice
5: ethanol / 1 h / 78 °C / Inert atmosphere
View Scheme
C28H35N3O2
188404-00-4

C28H35N3O2

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol
160232-08-6

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 89 percent / H2 / 20percent Pd(OH)2/C / ethyl acetate / 760 Torr / Ambient temperature
2: 64 percent / H2 / Raney nickel / tetrahydrofuran / 760 Torr / Ambient temperature
View Scheme
isopropylamine
75-31-0

isopropylamine

(1S,2R)-(3-amino-1-benzyl-2-hydroxy-propyl)-carbamic acid tert butyl ester
162536-42-7

(1S,2R)-(3-amino-1-benzyl-2-hydroxy-propyl)-carbamic acid tert butyl ester

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol
160232-08-6

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol

Conditions
ConditionsYield
In ethanol at 85℃; for 72h;0.56 g
isobutylamine
78-81-9

isobutylamine

((R)-1-Oxiranyl-2-phenyl-ethyl)-carbamic acid tert-butyl ester

((R)-1-Oxiranyl-2-phenyl-ethyl)-carbamic acid tert-butyl ester

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol
160232-08-6

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol

Conditions
ConditionsYield
In ethanol for 1h; Heating / reflux;
4-Nitrobenzenesulfonyl chloride
98-74-8

4-Nitrobenzenesulfonyl chloride

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol
160232-08-6

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol

[(1S,2R)-3-[(4-nitrophenylsulfonyl)(2-methylpropyl)amino]-2-hydroxy-1-(phenylmethyl)propyl]carbamic acid tert-butyl ester
191226-98-9

[(1S,2R)-3-[(4-nitrophenylsulfonyl)(2-methylpropyl)amino]-2-hydroxy-1-(phenylmethyl)propyl]carbamic acid tert-butyl ester

Conditions
ConditionsYield
With sodium hydrogencarbonate In dichloromethane; water at 20℃; for 21h;100%
With dmap; N-ethyl-N,N-diisopropylamine In tetrahydrofuran at 0 - 25℃; for 4h;98.2%
With sodium hydrogencarbonate In dichloromethane; water at 23℃; for 12h;96%
benzyl chloroformate
501-53-1

benzyl chloroformate

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol
160232-08-6

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol

[(2R,3S)-3-[[(1,1-dimethylethoxy)carbonyl]amino]-2-hydroxy-4-phenylbutyl](2-methylpropyl)carbamic acid phenylmethyl ester
160232-10-0

[(2R,3S)-3-[[(1,1-dimethylethoxy)carbonyl]amino]-2-hydroxy-4-phenylbutyl](2-methylpropyl)carbamic acid phenylmethyl ester

Conditions
ConditionsYield
With triethylamine In dichloromethane at -1.5 - 20℃; for 48h;100%
Stage #1: benzyl chloroformate; (2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol With triethylamine In dichloromethane at -1.5 - 20℃; for 48h;
Stage #2: With sodium carbonate In dichloromethane; water for 0.166667h;
100%
With sodium carbonate In tetrahydrofuran at 5 - 10℃; for 3h;77%
benzothiazole-6-carboxylic acid
3622-35-3

benzothiazole-6-carboxylic acid

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol
160232-08-6

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol

tert-butyl (2S,3R)-3-hydroxy-4-(N-isobutylbenzo[d]thiazole-6-carboxamido)-1-phenylbutan-2-ylcarbamate
1160490-14-1

tert-butyl (2S,3R)-3-hydroxy-4-(N-isobutylbenzo[d]thiazole-6-carboxamido)-1-phenylbutan-2-ylcarbamate

Conditions
ConditionsYield
With triethylamine; HATU In dichloromethane at 20℃;100%
3-methyl-1H-indazole-5-sulfonyl chloride
869885-64-3

3-methyl-1H-indazole-5-sulfonyl chloride

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol
160232-08-6

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol

{1-benzyl-2-hydroxy-3-[isobutyl-(3-methyl-1H-indazole-5-sulfonyl)-amino]-propyl}-carbamic acid tert-butyl ester
869885-66-5

{1-benzyl-2-hydroxy-3-[isobutyl-(3-methyl-1H-indazole-5-sulfonyl)-amino]-propyl}-carbamic acid tert-butyl ester

Conditions
ConditionsYield
With sodium hydrogencarbonate In dichloromethane; water99%
4-trifluorophenylsulfonyl chloride
2991-42-6

4-trifluorophenylsulfonyl chloride

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol
160232-08-6

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol

tert-butyl ((2S,3R)-3-hydroxy-4-((N-isobutyl-4-(trifluoromethyl)phenyl)sulfonamido)-1-phenylbutan-2-yl)carbamate

tert-butyl ((2S,3R)-3-hydroxy-4-((N-isobutyl-4-(trifluoromethyl)phenyl)sulfonamido)-1-phenylbutan-2-yl)carbamate

Conditions
ConditionsYield
With dmap; N-ethyl-N,N-diisopropylamine In tetrahydrofuran at 0 - 25℃; for 4h;98.4%
With dmap; N-ethyl-N,N-diisopropylamine In tetrahydrofuran at 0 - 20℃; Inert atmosphere; Sealed tube;
4-Acetylbenzenesulfonyl chloride
1788-10-9

4-Acetylbenzenesulfonyl chloride

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol
160232-08-6

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol

tert-butyl ((2S,3R)-4-((4-acetyl-N-isobutylphenyl)sulfonamido)-3-hydroxy-1-phenylbutan-2-yl)carbamate
553644-88-5

tert-butyl ((2S,3R)-4-((4-acetyl-N-isobutylphenyl)sulfonamido)-3-hydroxy-1-phenylbutan-2-yl)carbamate

Conditions
ConditionsYield
With sodium carbonate In water; ethyl acetate at 20℃; for 18h; Inert atmosphere;98%
With triethylamine In dichloromethane
(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol
160232-08-6

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol

(2R,3S)-3-amino-1-(isobutylamino)-4-phenyl-2-butanol
167011-40-7

(2R,3S)-3-amino-1-(isobutylamino)-4-phenyl-2-butanol

Conditions
ConditionsYield
With trifluoroacetic acid In dichloromethane for 5h;98%
4-methoxy-phenyl-sulphonyl chloride
98-68-0

4-methoxy-phenyl-sulphonyl chloride

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol
160232-08-6

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol

tert-butyl (1S,2R)-1-benzyl-2-hydroxy-3-{isobutyl[(4-methoxyphenyl)sulfonyl]amino}propylcarbamate
159006-03-8

tert-butyl (1S,2R)-1-benzyl-2-hydroxy-3-{isobutyl[(4-methoxyphenyl)sulfonyl]amino}propylcarbamate

Conditions
ConditionsYield
With dmap; N-ethyl-N,N-diisopropylamine In tetrahydrofuran at 0 - 25℃; for 4h;97.7%
With sodium hydrogencarbonate In dichloromethane; water at 23℃; for 16h;83%
With dmap; N-ethyl-N,N-diisopropylamine In tetrahydrofuran at 30℃; for 0.5h; Cooling with ice;82%
1-benzofuran-5-sulfonyl chloride
869885-60-9

1-benzofuran-5-sulfonyl chloride

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol
160232-08-6

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol

C27H36N2O6S
1007875-64-0

C27H36N2O6S

Conditions
ConditionsYield
With triethylamine In dichloromethane at 20℃; for 2.5h;92%
With triethylamine In dichloromethane at 20℃; for 2.5h;92%
With triethylamine In dichloromethane at 20℃; for 2.5h;92%
With triethylamine In dichloromethane at 20℃; for 2.5h;92%
p-acetylaminobenzenesulfonyl chloride
121-60-8

p-acetylaminobenzenesulfonyl chloride

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol
160232-08-6

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol

(1S,2R)-1-benzyl-2-hydroxy-3-[isobutyl-(4-acetylaminobenzenesulfonyl amino)propyl]carbamic acid tert-butyl ester
160230-47-7

(1S,2R)-1-benzyl-2-hydroxy-3-[isobutyl-(4-acetylaminobenzenesulfonyl amino)propyl]carbamic acid tert-butyl ester

Conditions
ConditionsYield
With triethylamine In N,N-dimethyl acetamide at 25 - 35℃; for 2h;90.56%
With triethylamine In dichloromethane at 0 - 30℃; for 1h; Concentration; Solvent;86.8%
With sodium hydrogencarbonate In dichloromethane; water for 14h;714.4 mg
In dichloromethane; water at 10 - 30℃; for 1h; Time;
4-(trifluoro-methoxy)benzene-1-sulfonyl chloride
94108-56-2

4-(trifluoro-methoxy)benzene-1-sulfonyl chloride

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol
160232-08-6

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol

N-[(1S,2R)-1-benzyl-2-hydroxy-3-[isobutyl[[(4-trifluoromethoxy)phenyl]sulfonyl]amino]propyl]carbamic acid tert-butyl ester
160232-85-9

N-[(1S,2R)-1-benzyl-2-hydroxy-3-[isobutyl[[(4-trifluoromethoxy)phenyl]sulfonyl]amino]propyl]carbamic acid tert-butyl ester

Conditions
ConditionsYield
With dmap; N-ethyl-N,N-diisopropylamine In tetrahydrofuran at 0 - 20℃;89.7%
With sodium carbonate In dichloromethane at 0 - 20℃;
(4-(chlorosulfonyl)phenyl)methylene diacetate
69232-47-9

(4-(chlorosulfonyl)phenyl)methylene diacetate

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol
160232-08-6

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol

(acetyloxy)(4-{[{(2R,3S)-3-[(tert-butoxycarbonyl)amino]-2-hydroxy-4-phenylbutyl}(isobutyl)amino]sulfonyl}phenyl)methyl Acetate
854745-35-0

(acetyloxy)(4-{[{(2R,3S)-3-[(tert-butoxycarbonyl)amino]-2-hydroxy-4-phenylbutyl}(isobutyl)amino]sulfonyl}phenyl)methyl Acetate

Conditions
ConditionsYield
With dmap; N-ethyl-N,N-diisopropylamine In tetrahydrofuran at 23℃; for 4h;88%
With triethylamine In tetrahydrofuran at 20℃; for 4h;
With triethylamine In tetrahydrofuran at 25℃; for 4h;
With dmap; N-ethyl-N,N-diisopropylamine In tetrahydrofuran at 0 - 20℃;
1-acetyl-2,3-dihydro-1H-indole-5-sulfonyl chloride
52206-05-0

1-acetyl-2,3-dihydro-1H-indole-5-sulfonyl chloride

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol
160232-08-6

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol

((2S,3R)-4-(1-acetyl-N-isobutylindoline-5-sulfonamido)-3-hydroxy-1-phenylbutan-2-yl)carbamate
1393348-48-5

((2S,3R)-4-(1-acetyl-N-isobutylindoline-5-sulfonamido)-3-hydroxy-1-phenylbutan-2-yl)carbamate

Conditions
ConditionsYield
With sodium hydrogencarbonate In dichloromethane86%
4-bromobenzenesulfonyl chloride
98-58-8

4-bromobenzenesulfonyl chloride

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol
160232-08-6

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol

C25H35BrN2O5S

C25H35BrN2O5S

Conditions
ConditionsYield
With triethylamine In dichloromethane at 0℃; for 16h; Inert atmosphere;86%
methyl N-[5-(chlorosulfonyl)-1H-benzimidazol-2-yl]carbamate
79213-74-4

methyl N-[5-(chlorosulfonyl)-1H-benzimidazol-2-yl]carbamate

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol
160232-08-6

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol

[(1S,2R)-2-hydroxy-3-[[[2-[(methoxycarbonyl)amino]-1H-benzimidazol-5-yl]sulfonyl]-(2-methylpropyl)amino]-1-(phenylmethyl)propyl]carbamic acid 1,1-dimethylethyl ester

[(1S,2R)-2-hydroxy-3-[[[2-[(methoxycarbonyl)amino]-1H-benzimidazol-5-yl]sulfonyl]-(2-methylpropyl)amino]-1-(phenylmethyl)propyl]carbamic acid 1,1-dimethylethyl ester

Conditions
ConditionsYield
With triethylamine In dichloromethane at 20℃; for 5h;85%
4-(methylsulfanyl)benzenesulfonyl chloride
1129-25-5

4-(methylsulfanyl)benzenesulfonyl chloride

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol
160232-08-6

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol

tert-butyl ((2S,3R)-3-hydroxy-4-((N-isobutyl-4-(methylthio)phenyl)sulfonamido)-1-phenylbutan-2-yl)carbamate

tert-butyl ((2S,3R)-3-hydroxy-4-((N-isobutyl-4-(methylthio)phenyl)sulfonamido)-1-phenylbutan-2-yl)carbamate

Conditions
ConditionsYield
With dmap; N-ethyl-N,N-diisopropylamine In tetrahydrofuran at 0 - 25℃;85%
(4-(chlorosulfonyl)phenyl)boronic acid

(4-(chlorosulfonyl)phenyl)boronic acid

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol
160232-08-6

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol

(4-(N-((2R,3S)-3-((tert-butoxycarbonyl)amino)-2-hydroxy-4-phenylbutyl)-N-isobutylsulfamoyl)phenyl)boronic acid

(4-(N-((2R,3S)-3-((tert-butoxycarbonyl)amino)-2-hydroxy-4-phenylbutyl)-N-isobutylsulfamoyl)phenyl)boronic acid

Conditions
ConditionsYield
With triethylamine In dichloromethane at 0 - 23℃; for 1h; Inert atmosphere;82%
benzo[1,3]dioxol-5-sulfonyl chloride
115010-10-1

benzo[1,3]dioxol-5-sulfonyl chloride

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol
160232-08-6

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol

N-[(1S,2R)-3-[[(benzo-[1,3]-dioxole-5-sulfonyl)](isobutyl)amino]-1-benzyl-2-hydroxypropyl]carbamic acid tert-butyl ester
160233-05-6

N-[(1S,2R)-3-[[(benzo-[1,3]-dioxole-5-sulfonyl)](isobutyl)amino]-1-benzyl-2-hydroxypropyl]carbamic acid tert-butyl ester

Conditions
ConditionsYield
With dmap; N-ethyl-N,N-diisopropylamine In tetrahydrofuran at 20℃; for 4h;81%
With N-ethyl-N,N-diisopropylamine; dmap In tetrahydrofuran at 20℃; for 4h;81%
With dmap; N-ethyl-N,N-diisopropylamine In tetrahydrofuran at 0 - 20℃;71.2%
(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol
160232-08-6

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol

6-methoxypyridin-3-ylsulfonyl chloride
312300-42-8

6-methoxypyridin-3-ylsulfonyl chloride

tert-butyl ((2S,3R)-3-hydroxy-4-((N-isobutyl-6-methoxypyridine)-3-sulfonamido)-1-phenylbutan-2-yl)carbamate

tert-butyl ((2S,3R)-3-hydroxy-4-((N-isobutyl-6-methoxypyridine)-3-sulfonamido)-1-phenylbutan-2-yl)carbamate

Conditions
ConditionsYield
With dmap; N-ethyl-N,N-diisopropylamine In tetrahydrofuran at 0 - 25℃;80%
4-vinylbenzenesulfonyl chloride
2633-67-2

4-vinylbenzenesulfonyl chloride

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol
160232-08-6

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol

tert-butyl ((2S,3R)-3-hydroxy-4-(N-isobutyl-4-vinylphenylsulfonamido)-1-phenylbutan-2-yl)carbamate
854739-70-1

tert-butyl ((2S,3R)-3-hydroxy-4-(N-isobutyl-4-vinylphenylsulfonamido)-1-phenylbutan-2-yl)carbamate

Conditions
ConditionsYield
With sodium carbonate In water; ethyl acetate at 20℃; for 18h; Inert atmosphere;77%
With triethylamine In dichloromethane at 25℃; for 3h;54%
(fluorenylmethoxy)carbonyl chloride
28920-43-6

(fluorenylmethoxy)carbonyl chloride

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol
160232-08-6

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol

C34H42N2O5
1160051-76-2

C34H42N2O5

Conditions
ConditionsYield
With triethylamine In dichloromethane at 20℃; for 1h;76%
3,4-dimethoxybenzene-1-sulfonyl chloride
23095-31-0

3,4-dimethoxybenzene-1-sulfonyl chloride

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol
160232-08-6

(2R,3S)-3-tert-butoxycarbonylamino-1-isobutylamino-4-phenyl-2-butanol

(1S,2R)-{1-benzyl-3-[(3,4-dimethoxybenzenesulfonyl)isobutylamino]-2-hydroxypropyl}carbamic tertbutyl ester

(1S,2R)-{1-benzyl-3-[(3,4-dimethoxybenzenesulfonyl)isobutylamino]-2-hydroxypropyl}carbamic tertbutyl ester

Conditions
ConditionsYield
With dmap; N-ethyl-N,N-diisopropylamine In tetrahydrofuran at 0 - 20℃;65.3%
With sodium hydrogencarbonate In dichloromethane; water for 14h;
With triethylamine In dichloromethane at 20℃; for 24h; Inert atmosphere;

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