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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

L-Valine benzyl ester 4-toluenesulfonate Manufacturer/High quality/Best price/In stock

Cas:16652-76-9

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 Val.Obzl.Tos supplier in China

Cas:16652-76-9

Min.Order:1 Metric Ton

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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

Factory Supply O-benzyl-L-valine toluene-p-sulphonate

Cas:16652-76-9

Min.Order:1

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Type:Other

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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 managemen

L-Valine benzyl ester 4-toluenesulfonate

Cas:16652-76-9

Min.Order:1 Kilogram

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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

L-Valine benzyl ester 4-toluenesulfonate

Cas:16652-76-9

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

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Leader Biochemical Group

About Product Technical Details L-Valine benzyl ester 4-toluenesulfonate Chemical Properties Melting point 160-162 °C alpha -

China Largest factory Manufacturer Supply L-Valine benzyl ester 4-toluenesulfonate CAS 16652-76-9

Cas:16652-76-9

Min.Order:1 Kilogram

FOB Price: $1.0 / 3.0

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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

L-Valine benzyl ester 4-toluenesulfonate

Cas:16652-76-9

Min.Order:1 Kilogram

FOB Price: $9.0 / 99.0

Type:Trading Company

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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

Hot sale CAS 16652-76-9 with best quality

Cas:16652-76-9

Min.Order:10 Gram

FOB Price: $146.0 / 176.0

Type:Trading Company

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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

L-Valine benzyl ester 4-toluenesulfonate 16652-76-9

Cas:16652-76-9

Min.Order:1 Kilogram

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Qingdao Beluga Import and Export Co., LTD

L-Valine benzyl ester 4-toluenesulfonate CAS:16652-76-9 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

L-Valine benzyl ester 4-toluenesulfonate CAS:16652-76-9

Cas:16652-76-9

Min.Order:1 Gram

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Type:Lab/Research institutions

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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

C19H25NO5S L-Valine benzyl ester 4-toluenesulfonate 16652-76-9

Cas:16652-76-9

Min.Order:1 Metric Ton

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Hebei Mojin Biotechnology Co.,Ltd

1. Customs clearance 1) By Express: Normally there is no specical need for the recipient to clear the customs. If the customs has an objection,our rich experienced and professional group will help you clear the customs. 2) By Air and by Sea: Our

Best Price CAS 16652-76-9 L-Valine benzyl ester 4-toluenesulfonate C19H25NO5S 99%

Cas:16652-76-9

Min.Order:20 Kilogram

FOB Price: $10.0 / 25.0

Type:Trading Company

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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

L-Valine benzyl ester 4-toluenesulfonate

Cas:16652-76-9

Min.Order:0

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Hangzhou JINLAN Pharm-Drugs Technology Co., Ltd

We can provide GMP validation service that complies with SFDA, FDA, WHO and EU EMPA.Excellent registration team could help us easlily to register our products in different countries.If you and your customer are interested in some products or need CMO

L-Valine benzyl ester p-toluenesulfonate salt manufacturer/supplier

Cas:16652-76-9

Min.Order:1 Gram

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Type:Trading Company

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Win-Win chemical Co.Ltd

Stock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai

H-Val-OBzl.Tos-OH cas no.16652-76-9 0.98

Cas:16652-76-9

Min.Order:0

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Type:Lab/Research institutions

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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

L-Valine benzyl ester 4-toluenesulfonate

Cas:16652-76-9

Min.Order:0 Metric Ton

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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

L-VALINE BENZYL ESTER 4-TOLUENESULFONATE

Cas:16652-76-9

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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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

L-Valine benzyl ester 4-toluenesulfonate

Cas:16652-76-9

Min.Order:0

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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

L-Valine benzyl ester 4-toluenesulfonate CAS NO.16652-76-9

Cas:16652-76-9

Min.Order:10 Gram

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Zibo Dorne chemical technology co. LTD

Product Details Grade: pharmaceutical grade Purity:99%+ ProductionCapacity: 1000 Kilogram/Month Scope of use: For scientific research only(The product must be used legally) Our Advantage 1. Best quality with competitive price. 2. Quick shipping,

L-Valine benzyl ester 4-toluenesulfonate

Cas:16652-76-9

Min.Order:1 Kilogram

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Type:Lab/Research institutions

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Xiamen Jenny Chemical Technology Co., Ltd.

GMP standard, high purity, competitive price, in stock 1. Quick Response: within 6 hours after receiving your email. 2. Quality Guarantee: All products are strictly tested by our QC, confirmed by QA, and approved by a third-party lab in China, USA,

H-Val-OBzl·TosOH

Cas:16652-76-9

Min.Order:1 Milligram

Negotiable

Type:Trading Company

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EAST CHEMSOURCES LIMITED

factory?direct?saleAppearance:White Powder Storage:Store In Dry, Cool And Ventilated Place Package:25kg/drum, also according to the clients requirement Application:It is widely used as a thickener, emulsifier and stabilizer Transportation:By Sea Or B

L-Valine benzyl ester 4-toluenesulfonate

Cas:16652-76-9

Min.Order:1 Kilogram

FOB Price: $18.0 / 20.0

Type:Trading Company

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Shandong Mopai Biotechnology Co., LTD

Shandong Mopai Biotechnology 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 chemicals. W

L-Valine benzyl ester 4-toluenesulfonate

Cas:16652-76-9

Min.Order:1 Gram

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Type:Lab/Research institutions

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KAISA GROUP INC

1.Applied in food field.it can improve the immune system and prolong life. 2.Appliedin cosmetic field.it can improve the skin care. 3.Applied in pharmaceutical field.it can treat various dieases. 4.Our product quality assurance will make our customer

L-Valine benzyl ester 4-toluenesulfonate

Cas:16652-76-9

Min.Order:1 Metric Ton

FOB Price: $1.5

Type:Trading Company

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Hangzhou ZeErRui Chemical Co., Ltd.

Name: L-Valinebenzylester4-toluenesulfonate. Synonym:BENZYLL-VALINATEP-TOLUENESULFONATE;H-VAL-OBZLP-TOSYLATE;H-VAL-OBZLTOS;H-VAL-OBZLTOS-OH;VALINE-OBZLP-TOSYLATE;L-VALLINEBENZYLESTERP-TOLUENESULFONATESALT;L-VALINEBENZYLESTER4-TOLUENESULFONATESALT

L-Valinebenzylester4-toluenesulfonate

Cas:16652-76-9

Min.Order:10 Gram

Negotiable

Type:Lab/Research institutions

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Wuhu Nuowei Chemistry Technologies Co., Ltd.

Wuhu Nuovo Chemical Technology Co., Ltd. was established in August 2014, mainly engaged in the development, production and sales of ionic liquids, ribose, nucleosides, nucleotides and related chemicals; Products are mainly used in new energy, new ma

L-Valine benzyl ester 4-toluenesulfonate

Cas:16652-76-9

Min.Order:100 Gram

Negotiable

Type:Manufacturers

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Hunan chemfish Pharmaceutical co.,Ltd

Appearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea

L-Valline benzyl ester p-toluenesulfonate salt

Cas:16652-76-9

Min.Order:0

Negotiable

Type:Manufacturers

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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

SAGECHEM/H-Val-OBzl.TosOH

Cas:16652-76-9

Min.Order:0

Negotiable

Type:Lab/Research institutions

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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

L-Valine benzyl ester 4-toluenesulfonate

Cas:16652-76-9

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Bluecrystal chem-union

We are a Union of chemistry in China, consists of chemists,engineers, laboratories,factories in China. We organize surplus capacity of R&D and production as well as custom synthesis for chemical products and chemical business project. We are supp

L-Valine benzyl ester 4-toluenesulfonate

Cas:16652-76-9

Min.Order:1 Metric Ton

FOB Price: $1.0

Type:Trading Company

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Synthetic route

toluene-4-sulfonic acid
104-15-4

toluene-4-sulfonic acid

(S)-2-(Benzhydrylidene-amino)-3-methyl-butyric acid benzyl ester
138892-14-5

(S)-2-(Benzhydrylidene-amino)-3-methyl-butyric acid benzyl ester

L-valine benzyl ester p-toluenesulfonate salt
16652-76-9

L-valine benzyl ester p-toluenesulfonate salt

Conditions
ConditionsYield
In water; acetonitrile Ambient temperature;99%
L-valine
72-18-4

L-valine

toluene-4-sulfonic acid
104-15-4

toluene-4-sulfonic acid

benzyl alcohol
100-51-6

benzyl alcohol

L-valine benzyl ester p-toluenesulfonate salt
16652-76-9

L-valine benzyl ester p-toluenesulfonate salt

Conditions
ConditionsYield
In toluene for 5h; Reflux;91%
In benzene Heating;90%
In cyclohexane; water for 4h; Dean-Stark; Reflux;88%
In benzene for 23h; Reflux;
In water; toluene for 24h; Reflux; Dean-Stark;
L-Valine methyl ester
4070-48-8

L-Valine methyl ester

L-valine benzyl ester p-toluenesulfonate salt
16652-76-9

L-valine benzyl ester p-toluenesulfonate salt

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 87 percent
2: 1) 20percent aq.NaOH, Bu4NHSO4 / 1) MeCN, r.t., 16 h, 2) CH2Cl2, r.t., 6 h
3: 99 percent / acetonitrile; H2O / Ambient temperature
View Scheme
Methyl N-(diphenylmethylene)-L-valinate
138892-08-7

Methyl N-(diphenylmethylene)-L-valinate

L-valine benzyl ester p-toluenesulfonate salt
16652-76-9

L-valine benzyl ester p-toluenesulfonate salt

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 1) 20percent aq.NaOH, Bu4NHSO4 / 1) MeCN, r.t., 16 h, 2) CH2Cl2, r.t., 6 h
2: 99 percent / acetonitrile; H2O / Ambient temperature
View Scheme
L-valine benzyl ester
21760-98-5

L-valine benzyl ester

toluene-4-sulfonic acid
104-15-4

toluene-4-sulfonic acid

L-valine benzyl ester p-toluenesulfonate salt
16652-76-9

L-valine benzyl ester p-toluenesulfonate salt

Conditions
ConditionsYield
In diethyl ether
BOC-glycine
4530-20-5

BOC-glycine

L-valine benzyl ester p-toluenesulfonate salt
16652-76-9

L-valine benzyl ester p-toluenesulfonate salt

N-t-butoxycarbonylglycyl-L-valine benzyl ester
66415-00-7

N-t-butoxycarbonylglycyl-L-valine benzyl ester

Conditions
ConditionsYield
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine100%
With 4-methyl-morpholine; benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In tetrahydrofuran at 0 - 20℃; for 12h; Inert atmosphere;94%
With benzotriazol-1-ol; triethylamine; dicyclohexyl-carbodiimide In N,N-dimethyl-formamide 1.) 0 deg C, 2.) overnight, 4 deg C;89%
With 4-methyl-morpholine; isobutyl chloroformate 1.) THF, -15 deg C, 2.) DMF, a) -15 deg C, 30 min, b) r.t., 30 min.; Yield given. Multistep reaction;
t-Boc-L-valine
13734-41-3

t-Boc-L-valine

L-valine benzyl ester p-toluenesulfonate salt
16652-76-9

L-valine benzyl ester p-toluenesulfonate salt

(S)-benzyl 2-((S)-2-((tert-butoxycarbonyl)amino)-3-methylbutanamido)-3-methylbutanoate
77443-49-3

(S)-benzyl 2-((S)-2-((tert-butoxycarbonyl)amino)-3-methylbutanamido)-3-methylbutanoate

Conditions
ConditionsYield
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine100%
With benzotriazol-1-ol; dicyclohexyl-carbodiimide In tetrahydrofuran at 20℃;99%
With 4-methyl-morpholine; benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In tetrahydrofuran at 0 - 20℃; for 12h;87%
With triethylamine; dicyclohexyl-carbodiimide In N,N-dimethyl-formamide at 20℃; for 5h;26%
With 4-methyl-morpholine; benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In tetrahydrofuran at 0 - 20℃; for 12h; Inert atmosphere;
L-N-Boc-Ala
15761-38-3

L-N-Boc-Ala

L-valine benzyl ester p-toluenesulfonate salt
16652-76-9

L-valine benzyl ester p-toluenesulfonate salt

Boc-L-Ala-L-Val-OBzl
116798-35-7

Boc-L-Ala-L-Val-OBzl

Conditions
ConditionsYield
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine100%
L-valine benzyl ester p-toluenesulfonate salt
16652-76-9

L-valine benzyl ester p-toluenesulfonate salt

4'-(bromomethyl)-1,1'-biphenyl-2-carbonitrile
114772-54-2

4'-(bromomethyl)-1,1'-biphenyl-2-carbonitrile

(S)-2-[(2'-cyanobiphenyl-4-ylmethyl)amino]-3-methylbutyric acid benzyl ester hydrochloride
137864-24-5

(S)-2-[(2'-cyanobiphenyl-4-ylmethyl)amino]-3-methylbutyric acid benzyl ester hydrochloride

Conditions
ConditionsYield
Stage #1: L-valine benzyl ester p-toluenesulfonate salt With sodium hydroxide In 5,5-dimethyl-1,3-cyclohexadiene; water at 20℃; pH=< 8.5 - 9; Large scale;
Stage #2: 4'-(bromomethyl)-1,1'-biphenyl-2-carbonitrile In 5,5-dimethyl-1,3-cyclohexadiene at 60℃; for 3.41667h; Large scale;
Stage #3: With hydrogenchloride In 5,5-dimethyl-1,3-cyclohexadiene; water at 72℃; for 2h; Dean-Stark; Large scale;
98%
Stage #1: L-valine benzyl ester p-toluenesulfonate salt; 4'-(bromomethyl)-1,1'-biphenyl-2-carbonitrile With tetrabutylammomium bromide; potassium carbonate; potassium iodide In water; toluene at 50 - 55℃; for 25h;
Stage #2: With hydrogenchloride In water; toluene pH=1 - 2; Product distribution / selectivity;
90%
Stage #1: L-valine benzyl ester p-toluenesulfonate salt; 4'-(bromomethyl)-1,1'-biphenyl-2-carbonitrile With tetrabutylammomium bromide; potassium carbonate; potassium iodide In water; toluene
Stage #2: With hydrogenchloride In water; toluene pH=1 - 2; Product distribution / selectivity;
90%
L-valine benzyl ester p-toluenesulfonate salt
16652-76-9

L-valine benzyl ester p-toluenesulfonate salt

(R)-Boc-leucine hydrate

(R)-Boc-leucine hydrate

benzotriazol-1-ol
2592-95-2

benzotriazol-1-ol

1-ethyl-3-(3-(dimethylammonio)propyl)carbodiimide perchlorate
56218-01-0

1-ethyl-3-(3-(dimethylammonio)propyl)carbodiimide perchlorate

citric acid
77-92-9

citric acid

Boc-D-Leu-Val-OBn
135219-63-5

Boc-D-Leu-Val-OBn

Conditions
ConditionsYield
With triethylamine In dichloromethane; water97.8%
L-valine benzyl ester p-toluenesulfonate salt
16652-76-9

L-valine benzyl ester p-toluenesulfonate salt

Boc-Val-OPyCl
122751-34-2

Boc-Val-OPyCl

(S)-benzyl 2-((S)-2-((tert-butoxycarbonyl)amino)-3-methylbutanamido)-3-methylbutanoate
77443-49-3

(S)-benzyl 2-((S)-2-((tert-butoxycarbonyl)amino)-3-methylbutanamido)-3-methylbutanoate

Conditions
ConditionsYield
97%
L-valine benzyl ester p-toluenesulfonate salt
16652-76-9

L-valine benzyl ester p-toluenesulfonate salt

1',3'-dohexadecyl N--L-glutamate
171195-66-7

1',3'-dohexadecyl N--L-glutamate

1',3'-dihexadecyl N-<1-(M-valinyl-O-benzyl ester)succinyl>-L-glutamate

1',3'-dihexadecyl N-<1-(M-valinyl-O-benzyl ester)succinyl>-L-glutamate

Conditions
ConditionsYield
With triethylamine In ethyl acetate for 24h; Ambient temperature;97%
L-valine benzyl ester p-toluenesulfonate salt
16652-76-9

L-valine benzyl ester p-toluenesulfonate salt

benzoic acid anhydride
93-97-0

benzoic acid anhydride

N-benzyl-L-valinol
42807-42-1

N-benzyl-L-valinol

Conditions
ConditionsYield
Stage #1: L-valine benzyl ester p-toluenesulfonate salt; benzoic acid anhydride With triethylamine In dichloromethane for 1h; Inert atmosphere;
Stage #2: With lithium aluminium tetrahydride In tetrahydrofuran for 2.25h; Inert atmosphere; Reflux;
97%
N-(Phenylacetyl)-L-alanine
718-07-0

N-(Phenylacetyl)-L-alanine

L-valine benzyl ester p-toluenesulfonate salt
16652-76-9

L-valine benzyl ester p-toluenesulfonate salt

N-(Phenylacetyl)-L-alanyl-L-valin-benzylester
116912-11-9

N-(Phenylacetyl)-L-alanyl-L-valin-benzylester

Conditions
ConditionsYield
With N-ethoxycarbonyl-2-ethoxy-1,2-dihydroquinoline; N-ethyl-N,N-diisopropylamine In dichloromethane at 0℃; for 24h;96%
L-valine benzyl ester p-toluenesulfonate salt
16652-76-9

L-valine benzyl ester p-toluenesulfonate salt

n-valeryl chloride
638-29-9

n-valeryl chloride

3-methyl-2-(pentanoylamino)butyric acid benzyl ester

3-methyl-2-(pentanoylamino)butyric acid benzyl ester

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine In dichloromethane at 0 - 10℃; for 1.75h;96%
L-valine benzyl ester p-toluenesulfonate salt
16652-76-9

L-valine benzyl ester p-toluenesulfonate salt

(S)-2-(benzyloxy)propanoic acid
33106-32-0

(S)-2-(benzyloxy)propanoic acid

(S)-benzyl 2-((S)-2-(benzyloxy)propanamido)-3-methylbutanoate
1239425-90-1

(S)-benzyl 2-((S)-2-(benzyloxy)propanamido)-3-methylbutanoate

Conditions
ConditionsYield
With 1-hydroxy-7-aza-benzotriazole; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine In dichloromethane at 0 - 20℃;95%
L-valine benzyl ester p-toluenesulfonate salt
16652-76-9

L-valine benzyl ester p-toluenesulfonate salt

N-tert-butyloxycarbonyl di-L-tryptophan
90826-08-7

N-tert-butyloxycarbonyl di-L-tryptophan

Boc-Trp-Trp-Val-OBzl
1311414-53-5

Boc-Trp-Trp-Val-OBzl

Conditions
ConditionsYield
With 4-methyl-morpholine; benzotriazol-1-ol; dicyclohexyl-carbodiimide In tetrahydrofuran at 0℃; for 24h; pH=8;95%
With 4-methyl-morpholine; benzotriazol-1-ol; dicyclohexyl-carbodiimide In tetrahydrofuran at 0 - 20℃; for 26h; pH=8;95%
L-valine benzyl ester p-toluenesulfonate salt
16652-76-9

L-valine benzyl ester p-toluenesulfonate salt

Boc-L-Abu(CN)ONSu
91126-95-3

Boc-L-Abu(CN)ONSu

Boc-Abu(CN)-Val-OBzl
91126-99-7

Boc-Abu(CN)-Val-OBzl

Conditions
ConditionsYield
With 4-methyl-morpholine In dichloromethane for 20h; Ambient temperature;94%
9-(2-Propenyl)-9H-fluorene-9-carboxylic acid
101451-35-8

9-(2-Propenyl)-9H-fluorene-9-carboxylic acid

L-valine benzyl ester p-toluenesulfonate salt
16652-76-9

L-valine benzyl ester p-toluenesulfonate salt

(S)-2-[(9-Allyl-9H-fluorene-9-carbonyl)-amino]-3-methyl-butyric acid benzyl ester

(S)-2-[(9-Allyl-9H-fluorene-9-carbonyl)-amino]-3-methyl-butyric acid benzyl ester

Conditions
ConditionsYield
With 4-methyl-morpholine; benzotriazol-1-ol; dicyclohexyl-carbodiimide In dichloromethane for 18h; Ambient temperature;94%
L-valine benzyl ester p-toluenesulfonate salt
16652-76-9

L-valine benzyl ester p-toluenesulfonate salt

Cyclohexyl(isopropyl)ammonium (SS)-N-(N-tert-butyloxycarbonyl)-S-methyl S-phenyl sulfonimidoyl acetate

Cyclohexyl(isopropyl)ammonium (SS)-N-(N-tert-butyloxycarbonyl)-S-methyl S-phenyl sulfonimidoyl acetate

C25H32N2O6S
188633-67-2

C25H32N2O6S

Conditions
ConditionsYield
With dmap; dicyclohexyl-carbodiimide93%
N-Boc-D-Leu
16937-99-8

N-Boc-D-Leu

L-valine benzyl ester p-toluenesulfonate salt
16652-76-9

L-valine benzyl ester p-toluenesulfonate salt

Boc-D-Leu-Val-OBn
135219-63-5

Boc-D-Leu-Val-OBn

Conditions
ConditionsYield
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine In dichloromethane at 0 - 20℃; for 6h;93%
N-[2-chloro-9-(tetrahydropyran-2-yl)-9H-purin-6-yl]-N-cyclopropylglycine
1185198-27-9

N-[2-chloro-9-(tetrahydropyran-2-yl)-9H-purin-6-yl]-N-cyclopropylglycine

L-valine benzyl ester p-toluenesulfonate salt
16652-76-9

L-valine benzyl ester p-toluenesulfonate salt

N-[2-chloro-9-(tetrahydropyran-2-yl)-9H-purin-6-yl]-N-cyclopropylglycyl-L-valine benzyl ester
1185198-46-2

N-[2-chloro-9-(tetrahydropyran-2-yl)-9H-purin-6-yl]-N-cyclopropylglycyl-L-valine benzyl ester

Conditions
ConditionsYield
Stage #1: N-[2-chloro-9-(tetrahydropyran-2-yl)-9H-purin-6-yl]-N-cyclopropylglycine With benzotriazol-1-ol; dicyclohexyl-carbodiimide In tetrahydrofuran at 0℃;
Stage #2: L-valine benzyl ester p-toluenesulfonate salt With 4-methyl-morpholine In tetrahydrofuran at 20℃; for 0.333333h; pH=9;
Stage #3: In tetrahydrofuran at 0 - 20℃; for 50h;
93%
9H-fluoren-9-ylmethyl (2-chloro-2-oxoethyl)carbamate
103321-49-9

9H-fluoren-9-ylmethyl (2-chloro-2-oxoethyl)carbamate

L-valine benzyl ester p-toluenesulfonate salt
16652-76-9

L-valine benzyl ester p-toluenesulfonate salt

Fmoc-Gly-Val-OBzl
221174-14-7

Fmoc-Gly-Val-OBzl

Conditions
ConditionsYield
With 1-Hydroxy-1,2,3-benzotriazole potassium salt In dichloromethane for 0.5h; Ambient temperature;92%
With silver cyanide; triethylamine In toluene at 60℃; 10-15 min;80%
C22H19BrN4O
1307853-49-1

C22H19BrN4O

L-valine benzyl ester p-toluenesulfonate salt
16652-76-9

L-valine benzyl ester p-toluenesulfonate salt

C34H35N5O3
1307853-60-6

C34H35N5O3

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine In acetonitrile at 50℃; for 3h; Product distribution / selectivity;92%
With N-ethyl-N,N-diisopropylamine In acetonitrile at 50℃; for 2h;
L-valine benzyl ester p-toluenesulfonate salt
16652-76-9

L-valine benzyl ester p-toluenesulfonate salt

treprostinil
81846-19-7

treprostinil

C35H49NO6

C35H49NO6

Conditions
ConditionsYield
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine In dichloromethane; water at 20℃; for 2h;90.3%
BOC-L-aspartic acid 4-benzyl ester
7536-58-5

BOC-L-aspartic acid 4-benzyl ester

L-valine benzyl ester p-toluenesulfonate salt
16652-76-9

L-valine benzyl ester p-toluenesulfonate salt

Boc-Asp(OBzl)-Val-OBzl
110863-06-4

Boc-Asp(OBzl)-Val-OBzl

Conditions
ConditionsYield
Stage #1: BOC-L-aspartic acid 4-benzyl ester With benzotriazol-1-ol; dicyclohexyl-carbodiimide In tetrahydrofuran at 0℃; under 750.075 Torr; for 0.5h; Inert atmosphere;
Stage #2: L-valine benzyl ester p-toluenesulfonate salt With 4-methyl-morpholine In tetrahydrofuran at 0 - 20℃; under 750.075 Torr; pH=8.5; Inert atmosphere;
90%
Stage #1: BOC-L-aspartic acid 4-benzyl ester With benzotriazol-1-ol; dicyclohexyl-carbodiimide In tetrahydrofuran at 0℃; for 0.5h; Inert atmosphere;
Stage #2: L-valine benzyl ester p-toluenesulfonate salt With 4-methyl-morpholine In tetrahydrofuran at 0 - 20℃; pH=8.5; Inert atmosphere;
90%
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine at 0 - 20℃; for 16h; Inert atmosphere; Green chemistry;70%
N-tert-butoxycarbonyl-L-phenylalanine
13734-34-4

N-tert-butoxycarbonyl-L-phenylalanine

L-valine benzyl ester p-toluenesulfonate salt
16652-76-9

L-valine benzyl ester p-toluenesulfonate salt

benzyl (tert-butoxycarbonyl)-L-phenylalanyl-L-valinate
136282-23-0

benzyl (tert-butoxycarbonyl)-L-phenylalanyl-L-valinate

Conditions
ConditionsYield
With 4-methyl-morpholine; benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In tetrahydrofuran at 0 - 20℃; for 12h; Inert atmosphere;90%
N-tert-butyloxycarbonyl-L-tert-leucine
62965-35-9

N-tert-butyloxycarbonyl-L-tert-leucine

L-valine benzyl ester p-toluenesulfonate salt
16652-76-9

L-valine benzyl ester p-toluenesulfonate salt

benzyl ((S)-2-((tert-butoxycarbonyl)amino)-3,3-dimethylbutanoyl)-L-valinate

benzyl ((S)-2-((tert-butoxycarbonyl)amino)-3,3-dimethylbutanoyl)-L-valinate

Conditions
ConditionsYield
With 4-methyl-morpholine; benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In tetrahydrofuran at 0 - 20℃; for 12h; Inert atmosphere;90%
L-valine benzyl ester p-toluenesulfonate salt
16652-76-9

L-valine benzyl ester p-toluenesulfonate salt

2-Bromoacetyl bromide
598-21-0

2-Bromoacetyl bromide

bromoacetyl valine benzyl ester
77434-37-8

bromoacetyl valine benzyl ester

Conditions
ConditionsYield
With triethylamine In tetrahydrofuran at 5℃;88%
L-Lactic acid
79-33-4

L-Lactic acid

L-valine benzyl ester p-toluenesulfonate salt
16652-76-9

L-valine benzyl ester p-toluenesulfonate salt

benzyl (2S)-2-{[(2S)-2-hydroxypropanoyl]amino}-3-methylbutanoate
1181104-59-5

benzyl (2S)-2-{[(2S)-2-hydroxypropanoyl]amino}-3-methylbutanoate

Conditions
ConditionsYield
With benzotriazol-1-ol; triethylamine; diisopropyl-carbodiimide In dichloromethane at 0 - 20℃;88%
pent-4-enoic acid
591-80-0

pent-4-enoic acid

L-valine benzyl ester p-toluenesulfonate salt
16652-76-9

L-valine benzyl ester p-toluenesulfonate salt

N-(4-pentenoyl)-(S)-valine benzyl ester

N-(4-pentenoyl)-(S)-valine benzyl ester

Conditions
ConditionsYield
With 4-methyl-morpholine; benzotriazol-1-ol; dicyclohexyl-carbodiimide In dichloromethane for 18h; Ambient temperature;87%
L-valine benzyl ester p-toluenesulfonate salt
16652-76-9

L-valine benzyl ester p-toluenesulfonate salt

(2S,3R)-3-[(tert-butoxycarbonyl) amino]-2-hydroxy-4-phenyl-butanoic acid
62023-65-8

(2S,3R)-3-[(tert-butoxycarbonyl) amino]-2-hydroxy-4-phenyl-butanoic acid

6-tert-butoxycarbonylamino-5-hydroxy-2-isopropyl-4-oxo-7-phenyl-3-azaheptanoic acid benzyl ester
246506-77-4

6-tert-butoxycarbonylamino-5-hydroxy-2-isopropyl-4-oxo-7-phenyl-3-azaheptanoic acid benzyl ester

Conditions
ConditionsYield
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine In dichloromethane; N,N-dimethyl-formamide at 20℃; for 12h;87%
diethylphosphinic chloride
1112-37-4

diethylphosphinic chloride

L-valine benzyl ester p-toluenesulfonate salt
16652-76-9

L-valine benzyl ester p-toluenesulfonate salt

Nα-diethylphosphinoylvaline benzyl ester
98748-17-5

Nα-diethylphosphinoylvaline benzyl ester

Conditions
ConditionsYield
With 4-methyl-morpholine In dichloromethane at 0℃; for 1h;86%

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