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Chengdu Baishixing Science and Technology Industry Co., Ltd.

The area of Chengdu Baishixing is 35,000 square metre , the staff members are 88, our output value is over 120 millions per year. Baishiying cooporates with Life Science Academy of Wuhan University to develop amino acids series pr

N-Carbobenzyloxy-L-valine

Cas:1149-26-4

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

inquiry

Dayang Chem (Hangzhou) Co.,Ltd.

Dayangchem's 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. DayangChem can provide different quantities

N-Carbobenzyloxy-L-valine Manufacturer/High quality/Best price/In stock

Cas:1149-26-4

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

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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

High quality Cbz-L-Valine supplier in China

Cas:1149-26-4

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

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Wuhan Fortuna Chemical Co.,Ltd

Unique advantages for N-Carbobenzyloxy-L-valine Cas 1149-26-4 Guaranteed the purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:White Powder Storage:2-8°C Package:1kg/foil bag, 25kg/d

Bottom price best quality N-Carbobenzyloxy-L-valine Cas 1149-26-4 with top purity and fast delivery

Cas:1149-26-4

Min.Order:1 Kilogram

FOB Price: $95.0

Type:Trading Company

inquiry

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

CBZ-L-valine

Cas:1149-26-4

Min.Order:1 Metric Ton

FOB Price: $1.0 / 2.0

Type:Manufacturers

inquiry

Hangzhou Dingyan Chem Co., Ltd

Items Standard Result Appearance White powder Complies Assay 98.0%min 99.29%

High purity N-Benzyloxycarbonyl-L-valine CAS:1149-26-4

Cas:1149-26-4

Min.Order:1 Gram

FOB Price: $100.0 / 500.0

Type:Manufacturers

inquiry

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

Factory Supply N-(benzyloxycarbonyl)-L-valine

Cas:1149-26-4

Min.Order:1

Negotiable

Type:Other

inquiry

Xi'an Xszo Chem Co., Ltd.

1. Factory price and high quality must be guaranteed, base on 8 years of production and R&D experience2. Free samples will be provided,ensure specifications and quality are right for customer3. Customers will receive the most professional technical s

High Quality 99% N-Carbobenzyloxy-L-valine 1149-26-4 ISO Producer

Cas:1149-26-4

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

inquiry

SICHUAN TONGSHENG AMINOACID CO.LTD

Sichuan Tongsheng is the most strongest manufacturer and exporter of amino acids and their derivatives in China, we guarantee high quality, competive price and reliable service. We fully compliance with ISO9001:2008, production and quality manage

N-Cbz-L-Valine

Cas:1149-26-4

Min.Order:1 Gram

Negotiable

Type:Manufacturers

inquiry

Chemwill Asia Co., Ltd.

N-Carbobenzyloxy-L-valine CAS 1149-26-4 In stock

Cas:1149-26-4

Min.Order:1 Metric Ton

FOB Price: $1.0

Type:Manufacturers

inquiry

LIDE PHARMACEUTICALS LIMITED

LIDE PHARMACEUTICALS LIMITED is a professional chemicals and APIs leading manufacturer in China. Our core business line covers APIs, Intermediates, Herb extract, etc. We are specialized in chemical synthesis, process development of pharmaceu

N-Carbobenzyloxy-L-valine

Cas:1149-26-4

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Lab/Research institutions

inquiry

Henan Tianfu Chemical Co., Ltd.

Product Name: N-Carbobenzyloxy-L-valine Synonyms: n-[(phenylmethoxy)carbonyl]-l-valin;BENZYLOXYCARBONYL-L-VALINE;CBZ-VAL-OH;CBZ-L-VALINE;CBZ-L-VAL-OH;CARBOBENZYLOXY-L-VALINE;L-VALINE, N-[(PHEN

N-Carbobenzyloxy-L-valine 1149-26-4

Cas:1149-26-4

Min.Order:1 Metric Ton

Negotiable

Type:Lab/Research institutions

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

N-Carbobenzyloxy-L-valine

Cas:1149-26-4

Min.Order:1 Kilogram

FOB Price: $9.0 / 99.0

Type:Trading Company

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

New production CAS 1149-26-4 with best quality

Cas:1149-26-4

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

inquiry

Hebei Sankai Chemical Technology Co., Ltd

1. Product advantages ♦ High purity, all above 98.5%, no impurities after dissolution ♦ We will test each batch to ensure quality ♦ OEM and private brand services designed for free ♦ Various cap colors available ♦ W

N-Carbobenzyloxy-L-valine CAS1149-26-4

Cas:1149-26-4

Min.Order:1 Kilogram

FOB Price: $7.0 / 9.0

Type:Trading Company

inquiry

Henan Sinotech Import&Export Corporation

Product Name Cbz -Val-OH CAS No. 1149-26-4 Synonyms N-Benzyloxycarbonyl-L-valine Purity 98.0% min Molecular Formula C13H17NO4 Molecular Weight 251.28 Appearance: white powd

Cbz -Val-OH

Cas:1149-26-4

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Other

inquiry

Hubei Langyou International Trading Co., Ltd

1. Guaranteed purity; 2. Large quantity in stock; 3. Largest manufacturer; 4. Best service after shipment with email; 5. High quality & competitive price; Appearance:Crystalline Solid Storage:Store in sealed containers at cool

Hangzhou Sartort Biopharma Co., Ltd

Appearance:white to light yellow crystal powder Storage:Keep in dark place,Sealed in dry,Room Temperature Package:25kg/Barrel Application:pharmaceutical intermediates Transportation:Express/Sea/Air Port:Any port in China

High quality N-Carbobenzyloxy-L-valine;Z-VAL;N-Cbz-L-valine Z-Val-OH;Z-VALINE;Z-VAL-OH;

Cas:1149-26-4

Min.Order:1 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

Shanghai Upbio Tech Co.,Ltd

1.No Less 8 years exporting experience. Clients can 100% received goods 2.Lower Price with higher quality 3,Free sample 4,We are sincerely responsible for the "product quality" and "After Service" Upbio is Specialized

N-Carbobenzyloxy-L-valine 1149-26-4

Cas:1149-26-4

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Xi'an Faithful Biotech Co., Ltd.

We are the manufacturers and suppliers of API in China, and warehouse in Germany and USA of California, which can quickly and safely deliver to your address 1.High quality and competitive price. 2.Free sample for your evaluation. 3.Promptly delivery

USA/EU/AU warehouse Supply high quality N-Carbobenzyloxy-L-valine Best Price Z-VAL/CBZ-L-Valine

Cas:1149-26-4

Min.Order:10 Gram

FOB Price: $8.8

Type:Trading Company

inquiry

Baoji Guokang Healthchem co.,ltd

Our company has been in existence for 10 years since its establishment. We have our own unique team. The company integrates independent research and development, production and sales. We have established famous brands at home and abroad. At present

N-Carbobenzyloxy-L-valine

Cas:1149-26-4

Min.Order:1 Kilogram

FOB Price: $50.0 / 70.0

Type:Trading Company

inquiry

Qingdao Beluga Import and Export Co., LTD

N-Carbobenzyloxy-L-valine CAS:1149-26-4 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specializing in high quality organic

N-Carbobenzyloxy-L-valine CAS:1149-26-4

Cas:1149-26-4

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

N-Carbobenzyloxy-L-valine

Cas:1149-26-4

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Hebei Mojin Biotechnology Co.,Ltd

Hebei Mojin Biotechnology Co., Ltd, Our company is a professional chemical raw materials and chemical reagents research and development production enterprises. We have several production line,So we can control the lowest price. We also have several

Z-Val-OH cas:1149-26-4

Cas:1149-26-4

Min.Order:25 Gram

FOB Price: $90.0 / 100.0

Type:Trading Company

inquiry

Leader Biochemical Group

PRODUCT DETAILS

China Largest Factory Manufacturer sales N-Carbobenzyloxy-L-valine CAS 1149-26-4

Cas:1149-26-4

Min.Order:500 Kilogram

FOB Price: $1.0 / 2.0

Type:Lab/Research institutions

inquiry

Henan Wentao Chemical Product Co., Ltd.

Henan Wentao Chemical Product Co.,Ltd is Located in Zhengzhou High-tech Development Zone with import and export license, We passed ISO 9001:2008 as well, Henan Wentao has developed more than 1000 compounds, which are widely used in the fields of prod

N-Carbobenzyloxy-L-valine

Cas:1149-26-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Keyingchem Co.,Ltd

Hangzhou KeyingChem Co., Ltd. exported this product to many countries and regions at best price. If you are looking for the material’s manufacturer or supplier in China, KeyingChem is your best choice. Pls contact with us freely for getting det

CBZ-L-Valine

Cas:1149-26-4

Min.Order:0 Metric Ton

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

N-Carbobenzyloxy-L-valine

Cas:1149-26-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Afine Chemicals Limited

Our Services 1. New Molecules R&D 2. Own test center HPLC NMR GC LC-MS 3. API and Intermediates from China reputed manufacturers 4. Documents support COA MOA MSDS DMF open part Our advantages 1. Government awarded company. Top 100 enter

N-CARBOBENZOXY-L-VALINE

Cas:1149-26-4

Min.Order:0

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

(2S)-2-{[(benzyloxy)carbonyl]amino}-3-methylbutanoic acid

Cas:1149-26-4

Min.Order:4 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Synthetic route

L-valine
72-18-4

L-valine

benzyl chloroformate
501-53-1

benzyl chloroformate

(S)-N-(benzyloxycarbonyl)valine
1149-26-4

(S)-N-(benzyloxycarbonyl)valine

Conditions
ConditionsYield
With sodium hydrogencarbonate In water Inert atmosphere;100%
With sodium hydroxide In water at 0 - 20℃;100%
With potassium carbonate In water at 0 - 2℃; pH=1.5 - Ca. 2; Reagent/catalyst; pH-value; Temperature; Solvent;99%
C13H15N2O2(1+)*CF3O3S(1-)
1431461-34-5

C13H15N2O2(1+)*CF3O3S(1-)

(L)-valine methyl ester triflate
1428647-69-1

(L)-valine methyl ester triflate

(S)-N-(benzyloxycarbonyl)valine
1149-26-4

(S)-N-(benzyloxycarbonyl)valine

Conditions
ConditionsYield
Stage #1: C13H15N2O2(1+)*CF3O3S(1-); (L)-valine methyl ester triflate With 1,1’-carbonylbis-(3-ethylimidazolium) triflate In nitromethane at 20℃; for 60h; Inert atmosphere;
Stage #2: With water; sodium hydroxide In nitromethane at 20℃; for 2h; Inert atmosphere;
80%
N-benzyloxycarbonyl-L-valinol
6216-65-5

N-benzyloxycarbonyl-L-valinol

(S)-N-(benzyloxycarbonyl)valine
1149-26-4

(S)-N-(benzyloxycarbonyl)valine

Conditions
ConditionsYield
With 2-hydroxypyridin; 1-hydroxy-3H-benz[d][1,2]iodoxole-1,3-dione In dimethyl sulfoxide at 20℃; for 72h;79%
(S)-2-Benzyloxycarbonylamino-3-methyl-butyric acid 3-methyl-but-2-enyl ester

(S)-2-Benzyloxycarbonylamino-3-methyl-butyric acid 3-methyl-but-2-enyl ester

(S)-N-(benzyloxycarbonyl)valine
1149-26-4

(S)-N-(benzyloxycarbonyl)valine

Conditions
ConditionsYield
With cerium(III) chloride; sodium iodide In acetonitrile for 2h; Heating;92%
With sodium hydrogen sulfate; silica gel In dichloromethane at 20℃; for 5h;91%
With sodium iodide; zirconium(IV) chloride In acetonitrile for 2h; Heating;91%
4-isopropyl-2,5-dioxo-oxazolidine-3-carboxylic acid benzyl ester
394210-42-5

4-isopropyl-2,5-dioxo-oxazolidine-3-carboxylic acid benzyl ester

(S)-N-(benzyloxycarbonyl)valine
1149-26-4

(S)-N-(benzyloxycarbonyl)valine

Conditions
ConditionsYield
Stage #1: 4-isopropyl-2,5-dioxo-oxazolidine-3-carboxylic acid benzyl ester With methanol; 4 A molecular sieve In diethyl ether at 0℃; for 22h;
Stage #2: With water Further stages.;
40%
benzyl (S)-1-(tert-butoxycarbonyl)-2-methylpropylcarbamate
16874-02-5

benzyl (S)-1-(tert-butoxycarbonyl)-2-methylpropylcarbamate

(S)-N-(benzyloxycarbonyl)valine
1149-26-4

(S)-N-(benzyloxycarbonyl)valine

Conditions
ConditionsYield
In dichloromethane at 0 - 20℃; for 1.08333h;
DL-Val/PyS

DL-Val/PyS

benzyl chloroformate
501-53-1

benzyl chloroformate

A

N-[(benzyloxy)carbonyl]-D-valine
1685-33-2

N-[(benzyloxy)carbonyl]-D-valine

B

(S)-N-(benzyloxycarbonyl)valine
1149-26-4

(S)-N-(benzyloxycarbonyl)valine

Conditions
ConditionsYield
Stage #1: DL-Val/PyS With alpha cyclodextrin In ethanol; dimethyl sulfoxide at 30℃; for 24h;
Stage #2: benzyl chloroformate
(S)-2-Benzyloxycarbonylamino-3-methyl-butyric acid 2,2-dibromo-1-tert-butylcarbamoyl-propyl ester
78031-88-6

(S)-2-Benzyloxycarbonylamino-3-methyl-butyric acid 2,2-dibromo-1-tert-butylcarbamoyl-propyl ester

(S)-N-(benzyloxycarbonyl)valine
1149-26-4

(S)-N-(benzyloxycarbonyl)valine

Conditions
ConditionsYield
With sodium metaborate; cobalt(II) phthalocyanine In ethanol at 20℃; for 1h;64%
(S)-2-Benzyloxycarbonylamino-3-methyl-butyric acid allyl ester
122665-04-7

(S)-2-Benzyloxycarbonylamino-3-methyl-butyric acid allyl ester

(S)-N-(benzyloxycarbonyl)valine
1149-26-4

(S)-N-(benzyloxycarbonyl)valine

Conditions
ConditionsYield
With morpholine; 1,8-diazabicyclo[5.4.0]undec-7-ene; triphenylphosphine; bis(dibenzylideneacetone)-palladium(0) In acetonitrile at 30℃; for 12h;79%
L-valine hydrochloride
17498-50-9, 25616-14-2, 31320-20-4

L-valine hydrochloride

benzyl chloroformate
501-53-1

benzyl chloroformate

(S)-N-(benzyloxycarbonyl)valine
1149-26-4

(S)-N-(benzyloxycarbonyl)valine

Conditions
ConditionsYield
With sodium carbonate In tetrahydrofuran; water at 0 - 20℃; for 16h; Solvent; Temperature;
methyl (2S)-3-methyl-[(benzyloxy)carbonylamino]butanoate
24210-19-3

methyl (2S)-3-methyl-[(benzyloxy)carbonylamino]butanoate

(S)-N-(benzyloxycarbonyl)valine
1149-26-4

(S)-N-(benzyloxycarbonyl)valine

Conditions
ConditionsYield
With 2C33H37N*H2O7S2; water at 80℃; for 9h; optical yield given as %ee;86%
With sodium hydroxide In methanol
potassium ethyl xanthogenate
140-89-6

potassium ethyl xanthogenate

(S)-2-Benzyloxycarbonylamino-3-methyl-butyric acid 5-methoxy-1,2-dimethyl-4,7-dioxo-4,7-dihydro-1H-indol-3-ylmethyl ester
210578-20-4

(S)-2-Benzyloxycarbonylamino-3-methyl-butyric acid 5-methoxy-1,2-dimethyl-4,7-dioxo-4,7-dihydro-1H-indol-3-ylmethyl ester

A

(S)-N-(benzyloxycarbonyl)valine
1149-26-4

(S)-N-(benzyloxycarbonyl)valine

B

Dithiocarbonic acid O-ethyl ester S-(5-methoxy-1,2-dimethyl-4,7-dioxo-4,7-dihydro-1H-indol-3-ylmethyl) ester

Dithiocarbonic acid O-ethyl ester S-(5-methoxy-1,2-dimethyl-4,7-dioxo-4,7-dihydro-1H-indol-3-ylmethyl) ester

Conditions
ConditionsYield
With sodium dithionite In tetrahydrofuran; waterA 67%
B 72%
N-(Benzyloxycarbonyloxy)succinimide
13139-17-8

N-(Benzyloxycarbonyloxy)succinimide

L-valine
72-18-4

L-valine

(S)-N-(benzyloxycarbonyl)valine
1149-26-4

(S)-N-(benzyloxycarbonyl)valine

Conditions
ConditionsYield
With sodium hydroxide; sodium hydrogencarbonate In 1,4-dioxane; water at 0℃;
With sodium hydrogencarbonate In acetone at 20℃;
L-valine
72-18-4

L-valine

N-(benzyloxycarbonyl)benzothiazolin-2-thione
91285-92-6

N-(benzyloxycarbonyl)benzothiazolin-2-thione

(S)-N-(benzyloxycarbonyl)valine
1149-26-4

(S)-N-(benzyloxycarbonyl)valine

Conditions
ConditionsYield
With sodium hydroxide In 1,4-dioxane for 12h; Ambient temperature;90%
L-valine
72-18-4

L-valine

1-Benzyloxycarbonylbenzimidazoline-2-thione
91285-93-7

1-Benzyloxycarbonylbenzimidazoline-2-thione

(S)-N-(benzyloxycarbonyl)valine
1149-26-4

(S)-N-(benzyloxycarbonyl)valine

Conditions
ConditionsYield
With sodium hydroxide In 1,4-dioxane for 12h; Ambient temperature;91%
L-valine
72-18-4

L-valine

dimethylsulfonium methyl sulfate

dimethylsulfonium methyl sulfate

(S)-N-(benzyloxycarbonyl)valine
1149-26-4

(S)-N-(benzyloxycarbonyl)valine

Conditions
ConditionsYield
With triethylamine In water Ambient temperature;82%
benzyl chloroformate
501-53-1

benzyl chloroformate

(S)-N-(benzyloxycarbonyl)valine
1149-26-4

(S)-N-(benzyloxycarbonyl)valine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 90 percent / Et3N / acetonitrile / 2 h / 5 °C
2: 82 percent / Et3N / H2O / Ambient temperature
View Scheme
Multi-step reaction with 2 steps
1: 89 percent / quinoline; CH2Cl2 / 12 h / Ambient temperature
2: 74 percent / triethylamine; CHCl3; H2O / 18 h / Ambient temperature
View Scheme
Multi-step reaction with 2 steps
1: 38 percent / NaHCO3 / CH2Cl2; H2O / Ambient temperature
2: Jones' reagent / acetone / 3 h / 0 °C
View Scheme
L-valine
72-18-4

L-valine

O-benzyl S-(pyridin-2-yl)carbonothioate
91285-94-8

O-benzyl S-(pyridin-2-yl)carbonothioate

(S)-N-(benzyloxycarbonyl)valine
1149-26-4

(S)-N-(benzyloxycarbonyl)valine

Conditions
ConditionsYield
With sodium hydroxide In 1,4-dioxane for 12h; Ambient temperature;82%
L-valine
72-18-4

L-valine

benzyl 2-thioxobenzo[d]oxazol-3(2H)-carboxylate
91285-91-5

benzyl 2-thioxobenzo[d]oxazol-3(2H)-carboxylate

(S)-N-(benzyloxycarbonyl)valine
1149-26-4

(S)-N-(benzyloxycarbonyl)valine

Conditions
ConditionsYield
With sodium hydroxide In 1,4-dioxane for 12h; Ambient temperature;81%
4-isopropyl-2,5-oxazolidinedione
2816-12-8, 24601-74-9

4-isopropyl-2,5-oxazolidinedione

(S)-N-(benzyloxycarbonyl)valine
1149-26-4

(S)-N-(benzyloxycarbonyl)valine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: NMM / tetrahydrofuran / -25 - 20 °C
2.1: 20 mol percent DHQD-PHN; 4 Angstroem molecular sieves; methanol / diethyl ether / 22 h / 0 °C
2.2: 40 percent / H2O
View Scheme
Z-L-Val p-chlorophenyl ester

Z-L-Val p-chlorophenyl ester

A

(S)-N-(benzyloxycarbonyl)valine
1149-26-4

(S)-N-(benzyloxycarbonyl)valine

B

4-chloro-phenol
106-48-9

4-chloro-phenol

Conditions
ConditionsYield
With thiolsubtilisin In water; N,N-dimethyl-formamide Ambient temperature; pH 8.0 phosphate buffer containing PhB(OH)2 traces;
(2S)-amino-4-methylpentanamide hydrochloride
10466-61-2

(2S)-amino-4-methylpentanamide hydrochloride

Z-L-Val carbamoylmethyl ester
203640-53-3

Z-L-Val carbamoylmethyl ester

A

(S)-N-(benzyloxycarbonyl)valine
1149-26-4

(S)-N-(benzyloxycarbonyl)valine

B

Z-L-Val-L-Leu-NH2
95303-78-9

Z-L-Val-L-Leu-NH2

Conditions
ConditionsYield
With α-chymotripsin on Celite; Tris buffer; TEA In acetonitrile at 30℃; for 48h;A 6.8%
B 13.6%
sodium phenyl-methanolate
20194-18-7

sodium phenyl-methanolate

A

(S)-N-(benzyloxycarbonyl)valine
1149-26-4

(S)-N-(benzyloxycarbonyl)valine

B

S-benzyl-L-cysteine benzyl ester-toluene-4-sulfonate

S-benzyl-L-cysteine benzyl ester-toluene-4-sulfonate

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 85 percent / tetrahydrofuran / 6 h / 30 °C
2: aq. NaOH / methanol
View Scheme
Multi-step reaction with 2 steps
1: 72 percent / tetrahydrofuran / 6 h / 30 °C
2: 79 percent / DBU, morpholine / Pd(dba)2, PPh3 / acetonitrile / 12 h / 30 °C
View Scheme
(S)-N-[Bis(methylthio)methylene]valine allyl ester
192930-84-0

(S)-N-[Bis(methylthio)methylene]valine allyl ester

A

(S)-N-(benzyloxycarbonyl)valine
1149-26-4

(S)-N-(benzyloxycarbonyl)valine

B

S-benzyl-L-cysteine benzyl ester-toluene-4-sulfonate

S-benzyl-L-cysteine benzyl ester-toluene-4-sulfonate

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 72 percent / tetrahydrofuran / 6 h / 30 °C
2: 79 percent / DBU, morpholine / Pd(dba)2, PPh3 / acetonitrile / 12 h / 30 °C
View Scheme
picolyl N-Cbz-L-valinate
21844-69-9

picolyl N-Cbz-L-valinate

(S)-N-(benzyloxycarbonyl)valine
1149-26-4

(S)-N-(benzyloxycarbonyl)valine

Conditions
ConditionsYield
With magnesium In methanol at 20℃; for 4h;
N-benzyloxycarbonyl-L-valinol
6216-65-5

N-benzyloxycarbonyl-L-valinol

A

N-[(benzyloxy)carbonyl]-D-valine
1685-33-2

N-[(benzyloxy)carbonyl]-D-valine

B

(S)-N-(benzyloxycarbonyl)valine
1149-26-4

(S)-N-(benzyloxycarbonyl)valine

Conditions
ConditionsYield
With jones' reagent In acetone at 0℃; for 3h; Yield given. Yields of byproduct given;
Z-Val-ONp
10512-93-3

Z-Val-ONp

A

4-nitro-phenol
100-02-7

4-nitro-phenol

B

(S)-N-(benzyloxycarbonyl)valine
1149-26-4

(S)-N-(benzyloxycarbonyl)valine

Conditions
ConditionsYield
With cetyltrimethylammonim bromide; Dec-L-His In acetonitrile at 25℃; Rate constant; 0.02M phosphate buffer, pH=7.3; other catalysts;
With papain (preactivated with 2E-3M ethylenediaminotetraacetic acid (tetrasodium salt) and 5E-3M L-cysteine); water In acetonitrile at 21℃; Kinetics; pH=3.4-4.0 (formate and acetate buffers); pre-steady-state and steady-state parameters describing papain action;
With water at 21℃; Rate constant; Mechanism; pH dependence of the rate constant and catalytic effect of amino acid;
L-valine
72-18-4

L-valine

benzyl pyridin-2-yl carbonate
96452-48-1

benzyl pyridin-2-yl carbonate

(S)-N-(benzyloxycarbonyl)valine
1149-26-4

(S)-N-(benzyloxycarbonyl)valine

Conditions
ConditionsYield
In chloroform; water; triethylamine for 18h; Ambient temperature;74%
benzyl alcohol
100-51-6

benzyl alcohol

(S)-N-(benzyloxycarbonyl)valine
1149-26-4

(S)-N-(benzyloxycarbonyl)valine

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 1) NaH / 1) THF, reflux, 2h, 2) room temperature, 1h
2: tetrahydrofuran / 3 h / Ambient temperature
3: 92 percent / standard pH stat conditions
View Scheme
L-valine
72-18-4

L-valine

dibenzyl pyrocarbonate

dibenzyl pyrocarbonate

(S)-N-(benzyloxycarbonyl)valine
1149-26-4

(S)-N-(benzyloxycarbonyl)valine

Conditions
ConditionsYield
standard pH stat conditions;92%
(S)-N-(benzyloxycarbonyl)valine
1149-26-4

(S)-N-(benzyloxycarbonyl)valine

methyl (2S)-3-methyl-[(benzyloxy)carbonylamino]butanoate
24210-19-3

methyl (2S)-3-methyl-[(benzyloxy)carbonylamino]butanoate

Conditions
ConditionsYield
In diethyl ether100%
With diethyl ether
(S)-N-(benzyloxycarbonyl)valine
1149-26-4

(S)-N-(benzyloxycarbonyl)valine

Z-(L)-Val-Cl
87052-60-6

Z-(L)-Val-Cl

Conditions
ConditionsYield
With oxalyl dichloride In chloroform; N,N-dimethyl-formamide at 20℃; for 5h; Cooling with ice; Reflux;100%
With diethyl ether; phosphorus pentachloride
With thionyl chloride In N,N,N,N,N,N-hexamethylphosphoric triamide; acetonitrile at -5 - 0℃; for 0.25h;
L-Valine methyl ester
4070-48-8

L-Valine methyl ester

(S)-N-(benzyloxycarbonyl)valine
1149-26-4

(S)-N-(benzyloxycarbonyl)valine

methyl (S)-2-((S)-2-benzyloxycarbonyl-amino-3-methylbutyrylamino)-3-methylbutyrate
1999-88-8

methyl (S)-2-((S)-2-benzyloxycarbonyl-amino-3-methylbutyrylamino)-3-methylbutyrate

Conditions
ConditionsYield
With 2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide; N-ethyl-N,N-diisopropylamine In ethyl acetate at 20℃;100%
With N-ethyl-N,N-diisopropylamine; <4-nitro-6-(trifluoromethyl)benzotriazol-1-yloxy>tris(pyrrolidino)phosphonium hexafluorophosphate at 20℃; for 1h;98%
With 3,3'-Dicyano-4,4',6,6'-tetramethyl-2,2'-dipyridinyl-disulfid; triphenylphosphine In dichloromethane at -20 - -15℃; for 12h;84%
(S)-N-(benzyloxycarbonyl)valine
1149-26-4

(S)-N-(benzyloxycarbonyl)valine

methyl N-methyl-L-valinate hydrochloride
3339-44-4

methyl N-methyl-L-valinate hydrochloride

N--L-N-methylvaline methyl ester
128892-28-4

N--L-N-methylvaline methyl ester

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine; bromo-tris(1-pyrrolidinyl)phosphonium hexafluorophosphate In dichloromethane 1) 1 min in the cold, 2) 1 h at r.t.; other coupling reagents;100%
With N-ethyl-N,N-diisopropylamine; chlorotri(pyrrolidin-1-yl)phosphonium hexafluorophosphate In dichloromethane for 3h; Ambient temperature;96%
With N-ethyl-N,N-diisopropylamine; bromo-tris(1-pyrrolidinyl)phosphonium hexafluorophosphate In dichloromethane 1.) 0 deg C, 1 min, 2.) r.t., 3 h;90%
With bromo-tris-dimethylamino-phosphonium hexafluorophosphate; N-ethyl-N,N-diisopropylamine In dichloromethane for 1h; Ambient temperature;71%
With N-ethyl-N,N-diisopropylamine; <6-(trifluoromethyl)benzotriazol-1-yloxy>tris(dimethylamino)phosphonium hexafluorophosphate In dichloromethane at 35℃; for 1h;49%
(S)-N-(benzyloxycarbonyl)valine
1149-26-4

(S)-N-(benzyloxycarbonyl)valine

(2S,3S)-2,3-Bis-(tert-butyl-dimethyl-silanyloxy)-butane-1,4-diol
155336-09-7

(2S,3S)-2,3-Bis-(tert-butyl-dimethyl-silanyloxy)-butane-1,4-diol

(S)-2-Benzyloxycarbonylamino-3-methyl-butyric acid (2S,3S)-4-((S)-2-benzyloxycarbonylamino-3-methyl-butyryloxy)-2,3-bis-(tert-butyl-dimethyl-silanyloxy)-butyl ester

(S)-2-Benzyloxycarbonylamino-3-methyl-butyric acid (2S,3S)-4-((S)-2-benzyloxycarbonylamino-3-methyl-butyryloxy)-2,3-bis-(tert-butyl-dimethyl-silanyloxy)-butyl ester

Conditions
ConditionsYield
With dmap; dicyclohexyl-carbodiimide In dichloromethane for 24h; Ambient temperature;100%
(S)-N-(benzyloxycarbonyl)valine
1149-26-4

(S)-N-(benzyloxycarbonyl)valine

N-benzyloxycarbonyl-L-valinol
6216-65-5

N-benzyloxycarbonyl-L-valinol

Conditions
ConditionsYield
Stage #1: (S)-N-(benzyloxycarbonyl)valine With 4-methyl-morpholine; isobutyl chloroformate In tetrahydrofuran at -15℃; for 0.25h;
Stage #2: With sodium tetrahydroborate In tetrahydrofuran; water at -15℃; for 1h;
100%
With lithium aluminium tetrahydride In tetrahydrofuran at 0 - 25℃;
Multi-step reaction with 2 steps
1: DCC / ethyl acetate / 20 h / 20 °C
2: NaBH4; AcOH / methanol; dioxane
View Scheme
(S)-N-(benzyloxycarbonyl)valine
1149-26-4

(S)-N-(benzyloxycarbonyl)valine

benzylamine
100-46-9

benzylamine

(S)-benzyl (1-(benzylamino)-3-methyl-1-oxobutan-2-yl)carbamate
20998-83-8

(S)-benzyl (1-(benzylamino)-3-methyl-1-oxobutan-2-yl)carbamate

Conditions
ConditionsYield
With N,N'-Bis(2-oxo-3-oxazolidinyl)phosphorodiamidic azide; triethylamine In dichloromethane100%
Stage #1: (S)-N-(benzyloxycarbonyl)valine With chloroformic acid ethyl ester; triethylamine In tetrahydrofuran at 0℃; for 0.75h;
Stage #2: benzylamine at 0 - 20℃; for 17h;
89%
With triethylamine; isobutyl chloroformate In tetrahydrofuran for 16h; Ambient temperature;
(S)-N-(benzyloxycarbonyl)valine
1149-26-4

(S)-N-(benzyloxycarbonyl)valine

(R)-2-N-(tert-butoxycarbonyl)amino-2-methyl-3-hydroxypropanoic acid methyl ester
188476-28-0

(R)-2-N-(tert-butoxycarbonyl)amino-2-methyl-3-hydroxypropanoic acid methyl ester

(S)-2-Benzyloxycarbonylamino-3-methyl-butyric acid (R)-2-tert-butoxycarbonylamino-2-methoxycarbonyl-propyl ester

(S)-2-Benzyloxycarbonylamino-3-methyl-butyric acid (R)-2-tert-butoxycarbonylamino-2-methoxycarbonyl-propyl ester

Conditions
ConditionsYield
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 0℃;100%
(S)-N-(benzyloxycarbonyl)valine
1149-26-4

(S)-N-(benzyloxycarbonyl)valine

(1R,2S)-1-tert-Butoxycarbonylamino-2-hydroxy-cyclohexanecarboxylic acid methyl ester

(1R,2S)-1-tert-Butoxycarbonylamino-2-hydroxy-cyclohexanecarboxylic acid methyl ester

(1R,2S)-2-((S)-2-Benzyloxycarbonylamino-3-methyl-butyryloxy)-1-tert-butoxycarbonylamino-cyclohexanecarboxylic acid methyl ester
209127-52-6

(1R,2S)-2-((S)-2-Benzyloxycarbonylamino-3-methyl-butyryloxy)-1-tert-butoxycarbonylamino-cyclohexanecarboxylic acid methyl ester

Conditions
ConditionsYield
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 0℃;100%
(S)-N-(benzyloxycarbonyl)valine
1149-26-4

(S)-N-(benzyloxycarbonyl)valine

2-(3,4-dimethoxyphenyl)-ethylamine
120-20-7

2-(3,4-dimethoxyphenyl)-ethylamine

benzyl (1S)-1-({[2-(3,4-dimethoxyphenyl)ethyl]amino}carbonyl)-2-methylpropylcarbamate
143491-22-9

benzyl (1S)-1-({[2-(3,4-dimethoxyphenyl)ethyl]amino}carbonyl)-2-methylpropylcarbamate

Conditions
ConditionsYield
With (benzotriazo-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate; triethylamine In tetrahydrofuran at 20℃;100%
With 1,1'-carbonyldiimidazole In tetrahydrofuran; dichloromethane
(S)-N-(benzyloxycarbonyl)valine
1149-26-4

(S)-N-(benzyloxycarbonyl)valine

N4-(4-ethyl-6-methoxy-5-propoxy-quinolin-8-yl)-pentane-1,4-diamine
672912-23-1

N4-(4-ethyl-6-methoxy-5-propoxy-quinolin-8-yl)-pentane-1,4-diamine

{(S)-1-[4-(4-Ethyl-6-methoxy-5-propoxy-quinolin-8-ylamino)-pentylcarbamoyl]-2-methyl-propyl}-carbamic acid benzyl ester

{(S)-1-[4-(4-Ethyl-6-methoxy-5-propoxy-quinolin-8-ylamino)-pentylcarbamoyl]-2-methyl-propyl}-carbamic acid benzyl ester

Conditions
ConditionsYield
With dicyclohexyl-carbodiimide In dichloromethane at 20℃; for 4h;100%
(S)-N-(benzyloxycarbonyl)valine
1149-26-4

(S)-N-(benzyloxycarbonyl)valine

N4-(4-ethyl-5-hexyloxy-6-methoxy-quinolin-8-yl)-pentane-1,4-diamine
672912-26-4

N4-(4-ethyl-5-hexyloxy-6-methoxy-quinolin-8-yl)-pentane-1,4-diamine

{(S)-1-[4-(4-Ethyl-5-hexyloxy-6-methoxy-quinolin-8-ylamino)-pentylcarbamoyl]-2-methyl-propyl}-carbamic acid benzyl ester

{(S)-1-[4-(4-Ethyl-5-hexyloxy-6-methoxy-quinolin-8-ylamino)-pentylcarbamoyl]-2-methyl-propyl}-carbamic acid benzyl ester

Conditions
ConditionsYield
With dicyclohexyl-carbodiimide In dichloromethane at 20℃; for 4h;100%
(S)-N-(benzyloxycarbonyl)valine
1149-26-4

(S)-N-(benzyloxycarbonyl)valine

Dimethyl-(3-methyl-2-butenyl)-sulfonium tetrafluoroborate

Dimethyl-(3-methyl-2-butenyl)-sulfonium tetrafluoroborate

Cbz-Val-OH 1,1-dimethylallyl ester

Cbz-Val-OH 1,1-dimethylallyl ester

Conditions
ConditionsYield
With potassium carbonate; copper(I) bromide In dichloromethane at 20℃;100%
(S)-N-(benzyloxycarbonyl)valine
1149-26-4

(S)-N-(benzyloxycarbonyl)valine

(2R,3R,11bR)-dihydrotetrabenazine

(2R,3R,11bR)-dihydrotetrabenazine

(S)-2-benzyloxycarbonyl-amino-3-methylbutyric acid-(2R,3R,11bR)-3-isobutyl-9,10-dimethoxy-1,3,4,6,7,11b-hexahydro-2H-pyrido[2,1-a]isoquinolin-2-yl ester
1025504-76-0

(S)-2-benzyloxycarbonyl-amino-3-methylbutyric acid-(2R,3R,11bR)-3-isobutyl-9,10-dimethoxy-1,3,4,6,7,11b-hexahydro-2H-pyrido[2,1-a]isoquinolin-2-yl ester

Conditions
ConditionsYield
Stage #1: (2R,3R,11bR)-dihydrotetrabenazine With dmap In dichloromethane
Stage #2: (S)-N-(benzyloxycarbonyl)valine In dichloromethane for 0.0833333h;
Stage #3: With dicyclohexyl-carbodiimide In dichloromethane
100%
With dmap; dicyclohexyl-carbodiimide In dichloromethane95.7 g
(S)-N-(benzyloxycarbonyl)valine
1149-26-4

(S)-N-(benzyloxycarbonyl)valine

L-2-hydroxy-3-methylbutanoic acid allyl ester
178113-56-9

L-2-hydroxy-3-methylbutanoic acid allyl ester

C21H29NO6

C21H29NO6

Conditions
ConditionsYield
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 0 - 20℃; for 3h; Inert atmosphere;100%
(S)-N-(benzyloxycarbonyl)valine
1149-26-4

(S)-N-(benzyloxycarbonyl)valine

glycine ethyl ester hydrochloride
623-33-6

glycine ethyl ester hydrochloride

ethyl N-(benzyloxycarbonyl)-L-valylglycinate
2766-17-8

ethyl N-(benzyloxycarbonyl)-L-valylglycinate

Conditions
ConditionsYield
With 3,3'-(phenylphosphinylidene)bis<2(3H)-benzothiazolone; triethylamine In dichloromethane for 2h; Ambient temperature;99%
With TEA; diphenyl (2,3-dihydro-2-thioxo-3-benzoxazolyl)phosphonate In dichloromethane for 2h; Ambient temperature;99%
With TEA; 1,2-benzisoxazol-3-yl diphenyl phosphate In dichloromethane for 2h; Ambient temperature;95%
(S)-Leu-OMe
2666-93-5

(S)-Leu-OMe

(S)-N-(benzyloxycarbonyl)valine
1149-26-4

(S)-N-(benzyloxycarbonyl)valine

(S)-methyl 2-((S)-2-(((benzyloxy)carbonyl)amino)-3-methylbutanamido)-4-methylpentanoate
4817-93-0

(S)-methyl 2-((S)-2-(((benzyloxy)carbonyl)amino)-3-methylbutanamido)-4-methylpentanoate

Conditions
ConditionsYield
With (benzotriazo-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate; N-ethyl-N,N-diisopropylamine In dichloromethane99%
With dicyclohexyl-carbodiimide In N,N-dimethyl-formamide
(S)-N-(benzyloxycarbonyl)valine
1149-26-4

(S)-N-(benzyloxycarbonyl)valine

L-α-hydroxyisovaleric acid t-butyl ester
3519-30-0

L-α-hydroxyisovaleric acid t-butyl ester

benzyloxycarbonyl-L-valyl-L-α-hydroxyisovaleric acid t-butyl ester
13516-17-1

benzyloxycarbonyl-L-valyl-L-α-hydroxyisovaleric acid t-butyl ester

Conditions
ConditionsYield
With dmap; dicyclohexyl-carbodiimide In dichloromethane for 24h; Ambient temperature;99%
(i) PhSO2Cl, Py, (ii) /BRN= 4658890/; Multistep reaction;
(S)-N-(benzyloxycarbonyl)valine
1149-26-4

(S)-N-(benzyloxycarbonyl)valine

L-alanine benzyl ester hydrochloride
5557-81-3, 5557-83-5, 34404-37-0

L-alanine benzyl ester hydrochloride

Z-(S)-Val-(S)-Ala-OBzl
118234-89-2

Z-(S)-Val-(S)-Ala-OBzl

Conditions
ConditionsYield
With TEA; diphenyl (2,3-dihydro-2-thioxo-3-benzoxazolyl)phosphonate In dichloromethane for 2h; Ambient temperature;99%
(S)-N-(benzyloxycarbonyl)valine
1149-26-4

(S)-N-(benzyloxycarbonyl)valine

Isopropenyl Succinimido Carbonate
96935-01-2

Isopropenyl Succinimido Carbonate

2,5-dioxopyrrolidin-1-yl (2S)-2-(((benzyloxy)carbonyl)amino)-3-methylbutanoate
3496-11-5

2,5-dioxopyrrolidin-1-yl (2S)-2-(((benzyloxy)carbonyl)amino)-3-methylbutanoate

Conditions
ConditionsYield
With dmap In acetonitrile for 4h; Ambient temperature;99%
(S)-N-(benzyloxycarbonyl)valine
1149-26-4

(S)-N-(benzyloxycarbonyl)valine

Carbonic acid 3,5-dioxo-4-aza-tricyclo[5.2.1.02,6]dec-8-en-4-yl ester isopropenyl ester
137283-63-7

Carbonic acid 3,5-dioxo-4-aza-tricyclo[5.2.1.02,6]dec-8-en-4-yl ester isopropenyl ester

N-(benzyloxycarbonyl)-L-valine N-hydroxy-5-norbornene-2,3-dicarboximide ester
53666-01-6

N-(benzyloxycarbonyl)-L-valine N-hydroxy-5-norbornene-2,3-dicarboximide ester

Conditions
ConditionsYield
With dmap In acetonitrile for 4h; Ambient temperature;99%
(S)-N-(benzyloxycarbonyl)valine
1149-26-4

(S)-N-(benzyloxycarbonyl)valine

N,O-dimethylhydroxylamine*hydrochloride
6638-79-5

N,O-dimethylhydroxylamine*hydrochloride

Nα-(benzyloxycarbonyl)-N-methoxy-N-methyl-L-valinamide
114744-84-2

Nα-(benzyloxycarbonyl)-N-methoxy-N-methyl-L-valinamide

Conditions
ConditionsYield
Stage #1: (S)-N-(benzyloxycarbonyl)valine With 2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide; 1,8-diazabicyclo[5.4.0]undec-7-ene In ethyl acetate; acetonitrile at 0℃; for 0.166667h;
Stage #2: N,O-dimethylhydroxylamine*hydrochloride With triethylamine In ethyl acetate; acetonitrile at 0℃; for 0.5h;
99%
Stage #1: (S)-N-(benzyloxycarbonyl)valine With triethylamine; HATU In dichloromethane at 20℃; for 0.25h;
Stage #2: N,O-dimethylhydroxylamine*hydrochloride In dichloromethane at 20℃;
85.4%
Stage #1: (S)-N-(benzyloxycarbonyl)valine With triethylamine; HATU In dichloromethane at 20℃; for 0.25h;
Stage #2: N,O-dimethylhydroxylamine*hydrochloride In 4-(dicyanomethylene)-2-methyl-6-(p-dimethylaminostyryl)-4H-pyran at 20℃;
85.4%
(S)-N-tert-butoxycarbonyl-2-[bis(2-methylphenyl)phosphinomethyl]pyrrolidine
1190207-25-0

(S)-N-tert-butoxycarbonyl-2-[bis(2-methylphenyl)phosphinomethyl]pyrrolidine

(S)-N-(benzyloxycarbonyl)valine
1149-26-4

(S)-N-(benzyloxycarbonyl)valine

benzyl N-{1-(R)-[(2-(S)-bis(2-methylphenyl)phosphinomethyl)pyrrolidine-1-carbonyl]-2-methylpropyl}carbamate

benzyl N-{1-(R)-[(2-(S)-bis(2-methylphenyl)phosphinomethyl)pyrrolidine-1-carbonyl]-2-methylpropyl}carbamate

Conditions
ConditionsYield
Stage #1: (S)-N-tert-butoxycarbonyl-2-[bis(2-methylphenyl)phosphinomethyl]pyrrolidine With hydrogenchloride In 1,4-dioxane at 0 - 20℃; Inert atmosphere;
Stage #2: (S)-N-(benzyloxycarbonyl)valine With 4-methyl-morpholine; benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane; N,N-dimethyl-formamide at -20 - 20℃; for 19.5h;
99%
(S)-N-(benzyloxycarbonyl)valine
1149-26-4

(S)-N-(benzyloxycarbonyl)valine

1-(2',3'-di-O-isopropylidene-β-D-ribofuranosyl)<1,2,4>triazole-3-carboxamide
52663-90-8

1-(2',3'-di-O-isopropylidene-β-D-ribofuranosyl)<1,2,4>triazole-3-carboxamide

C24H31N5O8

C24H31N5O8

Conditions
ConditionsYield
With benzotriazol-1-yloxyl-tris-(pyrrolidino)-phosphonium hexafluorophosphate; N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 20℃;99%
(S)-N-(benzyloxycarbonyl)valine
1149-26-4

(S)-N-(benzyloxycarbonyl)valine

methyl (L)-leucinate hydrochloride
7517-19-3

methyl (L)-leucinate hydrochloride

(S)-methyl 2-((S)-2-(((benzyloxy)carbonyl)amino)-3-methylbutanamido)-4-methylpentanoate
4817-93-0

(S)-methyl 2-((S)-2-(((benzyloxy)carbonyl)amino)-3-methylbutanamido)-4-methylpentanoate

Conditions
ConditionsYield
With O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 0 - 20℃; for 12h;99%
With N-ethyl-N,N-diisopropylamine; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate In N,N-dimethyl-formamide at 0 - 20℃; for 12h;69%
(S)-N-(benzyloxycarbonyl)valine
1149-26-4

(S)-N-(benzyloxycarbonyl)valine

(S)-N-benzyloxycarbonylvalinamide
13139-28-1

(S)-N-benzyloxycarbonylvalinamide

Conditions
ConditionsYield
Stage #1: (S)-N-(benzyloxycarbonyl)valine With N-ethyl-N,N-diisopropylamine; HATU In N,N-dimethyl-formamide at 0℃; for 0.25h;
Stage #2: With ammonium chloride In N,N-dimethyl-formamide at 23℃; for 16h;
98%
Stage #1: (S)-N-(benzyloxycarbonyl)valine With chloroformic acid ethyl ester; triethylamine In tetrahydrofuran at 0℃; for 0.5h;
Stage #2: With ammonium chloride In tetrahydrofuran; water at 0℃; for 0.5h;
93%
With hexamethylphosphorous triamide dichloride; ammonia In dichloromethane 1) 30 min, -20 deg C, 2) 4 h, r.t.;87.5%
(S)-N-(benzyloxycarbonyl)valine
1149-26-4

(S)-N-(benzyloxycarbonyl)valine

Penciclovir
39809-25-1

Penciclovir

(S)-2-Benzyloxycarbonylamino-3-methyl-butyric acid 4-(2-amino-6-oxo-1,6-dihydro-purin-9-yl)-2-((S)-2-benzyloxycarbonylamino-3-methyl-butyryloxymethyl)-butyl ester

(S)-2-Benzyloxycarbonylamino-3-methyl-butyric acid 4-(2-amino-6-oxo-1,6-dihydro-purin-9-yl)-2-((S)-2-benzyloxycarbonylamino-3-methyl-butyryloxymethyl)-butyl ester

Conditions
ConditionsYield
With dmap; dicyclohexyl-carbodiimide In N,N-dimethyl-formamide for 32h; Ambient temperature;98%
(S)-N-(benzyloxycarbonyl)valine
1149-26-4

(S)-N-(benzyloxycarbonyl)valine

3,5-Dimethylphenol
108-68-9

3,5-Dimethylphenol

N-benzyloxycarbonyl-L-valine 3,5-dimethylphenyl ester
619337-54-1

N-benzyloxycarbonyl-L-valine 3,5-dimethylphenyl ester

Conditions
ConditionsYield
With 4-methyl-morpholine; (benzotriazol-1-yloxy)tris(dimethylamino)phosphonium hexaflu; orophosphate In dichloromethane at 20℃;98%
phenyl (3S)-3-amino-4-phenylbut-1-enyl sulfone hydrochloride

phenyl (3S)-3-amino-4-phenylbut-1-enyl sulfone hydrochloride

(S)-N-(benzyloxycarbonyl)valine
1149-26-4

(S)-N-(benzyloxycarbonyl)valine

phenyl (3S)-3-(N-carbobenzyloxyvalyl)amino-4-phenylbut-1-enyl sulfone

phenyl (3S)-3-(N-carbobenzyloxyvalyl)amino-4-phenylbut-1-enyl sulfone

Conditions
ConditionsYield
With 4-methyl-morpholine; isobutyl chloroformate In dichloromethane at -15 - 20℃;98%
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