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Siwei Development Group Ltd.

Product name: D-Valine CAS No.:640-68-6 Molecule Formula:C5H11NO2 Molecule Weight:117.1463 Purity: 99.4% Package: 25kg/drum Description:White crystals or crystalline powder Manufacture Standards:Enterprise Standard

Lower Price D-Valine

Cas:640-68-6

Min.Order:1 Kilogram

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Type:Trading Company

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Dayang Chem (Hangzhou) Co.,Ltd.

DayangChem exported this product to many countries and regions at best price. If you are looking for the material's manufacturer or supplier in China, DayangChem is your best choice. Pls contact with us freely for getting detailed product spe

D-Valine

Cas:640-68-6

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 D-Valine supplier in China

Cas:640-68-6

Min.Order:1 Kilogram

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Jinan Finer Chemical Co., Ltd

Product description: Product name D-Valine CAS number 640-68-6 Assay ≥98% Appearance White crystal Capacity 200mt/year Application Pharmaceutical raw material and pharmaceuti

D-Valine

Cas:640-68-6

Min.Order:10 Gram

FOB Price: $12.0

Type:Lab/Research institutions

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Wuhan Fortuna Chemical Co.,Ltd

Unique advantages of D-Valine Cas 640-68-6 Guaranteed purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:White to off-white crystalline powder Storage:cool dry place Package:25kg/drum Application

Manufacturer high quality D-Valine Cas 640-68-6 with good price

Cas:640-68-6

Min.Order:1 Kilogram

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Xi'an Quanao Biotech Co., Ltd.

Come From Nature // Building Healthy Life// Beauty In Your Face // Nourishment Your Taste Bud. Professional Factory: We has a complete production and operating system, with an annual output capacity of 2000 tons. It can produce variety of co

Nutrient fortifier 99% D-Valine powder Cas:640-68-6

Cas:640-68-6

Min.Order:1 Kilogram

FOB Price: $27.0 / 39.0

Type:Manufacturers

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Hefei TNJ chemical industry co.,ltd

Specifications D-Valine 1.Good quality based on reasonable price 2.Efficient logistics and timely delivery 3.Large annual capacity D-Valine Molecular formula: C5H11NO2 Molecular structure: Molecular weig

D-Valine good quality and low price

Cas:640-68-6

Min.Order:1 Kilogram

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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 D-valine

Cas:640-68-6

Min.Order:1

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Type:Other

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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 Food Grade D-Valine 640-68-6 HACCP Manufacturer

Cas:640-68-6

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

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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 have the best quality and price. Guarantee high quality, competive price and reliable service. We fully compliance with ISO9001:2008,

D-Valine

Cas:640-68-6

Min.Order:1 Kilogram

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Type:Manufacturers

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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

D-Valine

Cas:640-68-6

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

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Henan Tianfu Chemical Co., Ltd.

Product Name: D-Valine Synonyms: Valine, D-;ALPHA-AMINO-ISOVALERIANIC ACID;H-D-VAL-OH;D-VAL;D-VALINE;D-2-AMINOISOVALERIC ACID;(R)-α-Aminoisovaleric acid, D-2-Amino-3-methylbutanoic acid;D-Valine,α-amino isovaleric acid CAS: 640-68-6

640-68-6 D-Valine

Cas:640-68-6

Min.Order:1 Kilogram

FOB Price: $500.0

Type:Lab/Research institutions

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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

D-Valine

Cas:640-68-6

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

Manufacturer supply CAS 640-68-6 with best quality

Cas:640-68-6

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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Wuhan Han Sheng New Material Technology Co.,Ltd

Our Advantage: high quality with competitive price High quality standard: BP/USP/EP Enterprise standard All purity customized Fast and safe delivery We have reliable forwarder who can help us deliver our goods more fast and safe. We

Hot Sell Factory Supply Raw Material CAS 640-68-6 D-Valine

Cas:640-68-6

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

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Henan Sinotech Import&Export Corporation

Product name: D-Valine Alias: H-D-Val-OH CAS No.: 640-68-6 Molecular formula: C5H11NO2 Molecular weight: 117.15 Melting point: 302-303ºC Water solubility: 56 g/l (20ºC) Specific rotation: -27.5º(C=5,5NHCL) Uses: D - Valine i

D-Valine CAS: 640-68-6

Cas:640-68-6

Min.Order:5 Metric Ton

FOB Price: $1.0 / 2.0

Type:Other

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Hubei Langyou International Trading Co., Ltd

Advantages: Hubei XinRunde Chemical Co., Ltd is a renowned pharmaceutical manufacturer. We can offer high quality products at competitive price in quick delivery with 100% custom pass guaranteed. Never stop striving to offer our best service is

D-Valine CAS NO 640-68-6

Cas:640-68-6

Min.Order:1 Kilogram

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Type:Other

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HANWAYS CHEMPHARM CO.,LIMITED

1.Prompt Goods; 2.Flexible payment terms; 3.Documents & Certificate support. Name: D-Valine Structure: Formula: C5H11NO2 Molecular Weight : 117.15 Synonyms: Valine, D-;ALPHA-AMINO-ISOVALERIANIC ACID;H-D-VAL-OH;D-VAL;D-VALINE;D-2-AMINOISOV

D-Valine

Cas:640-68-6

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

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Shanghai Upbio Tech Co.,Ltd

1.In No Less 10 years exporting experience. you 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 Specializ

D-Valine

Cas:640-68-6

Min.Order:1 Gram

FOB Price: $150.0

Type:Lab/Research institutions

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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 prese

Pharmaceutical Intermediate, D-Valine CAS:640-68-6

Cas:640-68-6

Min.Order:1 Kilogram

FOB Price: $24.8 / 29.3

Type:Trading Company

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Qingdao Beluga Import and Export Co., LTD

D-Valine CAS:640-68-6 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 intermediates, st

D-Valine CAS:640-68-6

Cas:640-68-6

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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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

D-Valine

Cas:640-68-6

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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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

CAS NO.:640-68-6

Cas:640-68-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Leader Biochemical Group

PRODUCT DETAILS

China Largest Manufacturer factory Supply D-Valine CAS 640-68-6

Cas:640-68-6

Min.Order:1000 Kilogram

FOB Price: $1.0 / 2.0

Type:Lab/Research institutions

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ShangHai Soyoung Biotechnology Inc

Trade Assurance Get full protection for your orders 100% Product quality protection 100% On-time shipment protection 100% Payment protection Appearance:White crystal or crystalline powder Storage:Store at room(18~25℃) temperature. Protect from

D-Valine powder

Cas:640-68-6

Min.Order:25 Kilogram

FOB Price: $80.0

Type:Lab/Research institutions

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Changchun Artel lmport and Export trade company

Product Detail Minimum Order Qty. 10 Gram

High quality D-Valine CAS NO.640-68-6

Cas:640-68-6

Min.Order:10 Gram

Negotiable

Type:Trading Company

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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

D-valine manufacturer/supplier

Cas:640-68-6

Min.Order:1 Gram

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Triumph International Development Limilted

Appearance:White to off-white crystalline powder Storage:room temp Application:1. D-valine can be used for the synthesis of newly efficient pesticide: pyrethroids permethrin and chlorofluorocarbons amyl because of its own biochemical chara

D-Valine

Cas:640-68-6

Min.Order:25 Kilogram

Negotiable

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

D-Valine

Cas:640-68-6

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

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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

D-VALINE

Cas:640-68-6

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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Synthetic route

(R)-2-azido-3-methylbutanoic acid
40224-49-5

(R)-2-azido-3-methylbutanoic acid

D-Val-OH
640-68-6

D-Val-OH

Conditions
ConditionsYield
With hydrogen; palladium on activated charcoal In water; acetic acid under 760 Torr; for 3h;99%
3,3-dimethyl-D-cysteine
52-67-5

3,3-dimethyl-D-cysteine

D-Val-OH
640-68-6

D-Val-OH

Conditions
ConditionsYield
With [4,4’-bis(1,1-dimethylethyl)-2,2’-bipyridine-N1,N1‘]bis [3,5-difluoro-2-[5-(trifluoromethyl)-2-pyridinyl-N]phenyl-C]iridium(III) hexafluorophosphate; triethyl phosphite In aq. phosphate buffer; acetonitrile at 20℃; for 0.5h; pH=6.5; Irradiation;96%
tert-butyl 2-amino-3-methylbutanoate
6070-59-3

tert-butyl 2-amino-3-methylbutanoate

D-Val-OH
640-68-6

D-Val-OH

Conditions
ConditionsYield
95%
[3aS-[1(S*),3aα,6α,7aβ]]-1-[(2-amino-3-methyl-1-oxo)butyl]hexahydro-8,8-dimethyl-3H-3a,6-methano-2,1-benzisothiazole-2,2-dioxide monohydrochloride

[3aS-[1(S*),3aα,6α,7aβ]]-1-[(2-amino-3-methyl-1-oxo)butyl]hexahydro-8,8-dimethyl-3H-3a,6-methano-2,1-benzisothiazole-2,2-dioxide monohydrochloride

D-Val-OH
640-68-6

D-Val-OH

Conditions
ConditionsYield
With lithium hydroxide In tetrahydrofuran at 20℃; for 3h; Hydrolysis;88%
(R)-N-benzylvaline
98575-68-9

(R)-N-benzylvaline

D-Val-OH
640-68-6

D-Val-OH

Conditions
ConditionsYield
With hydrogen; palladium on activated charcoal In acetic acid for 24h;83%
4-<(2R,5S)-2,5-Dihydro-2-isopropyl-3,6-dimethoxy-5-pyrazinyl>butylamine
129243-87-4

4-<(2R,5S)-2,5-Dihydro-2-isopropyl-3,6-dimethoxy-5-pyrazinyl>butylamine

A

D-Val-OH
640-68-6

D-Val-OH

B

L-Lysine hydrochloride
657-27-2, 10098-89-2

L-Lysine hydrochloride

Conditions
ConditionsYield
With hydrogenchloride at 70℃;A n/a
B 80%
With hydrogenchloride at 70℃;
(R)-5-isopropyl-2,2,3-trimethylimidazolidin-4-one

(R)-5-isopropyl-2,2,3-trimethylimidazolidin-4-one

D-Val-OH
640-68-6

D-Val-OH

Conditions
ConditionsYield
With hydrogenchloride; acetic acid In water; toluene at 105℃; for 42h;64%
(R)-3-Methyl-2-(2-oxo-4-phenyl-oxazolidin-3-yl)-butyric acid

(R)-3-Methyl-2-(2-oxo-4-phenyl-oxazolidin-3-yl)-butyric acid

D-Val-OH
640-68-6

D-Val-OH

Conditions
ConditionsYield
With ammonia; lithium In tetrahydrofuran; tert-butyl alcohol at -78℃; for 0.5h;62%
(R)-3-Methyl-2-((R)-2-oxo-4-phenyl-oxazolidin-3-yl)-butyric acid
206068-46-4

(R)-3-Methyl-2-((R)-2-oxo-4-phenyl-oxazolidin-3-yl)-butyric acid

D-Val-OH
640-68-6

D-Val-OH

Conditions
ConditionsYield
With ammonia; lithium In tetrahydrofuran; tert-butyl alcohol at -78℃; for 0.5h; Birch reduction;62%
3-methyl-2-ketobutanoic acid
759-05-7

3-methyl-2-ketobutanoic acid

D-Val-OH
640-68-6

D-Val-OH

Conditions
ConditionsYield
With D-Alanine; meso-diaminopimelate dehydrogenase; pyridoxal 5'-phosphate; alcohol dehydrogenases from Bacillus stearothermophilus; alcohol dehydrogenases from Thermoanaerobacter brockii; NADH In isopropyl alcohol at 35℃; for 9h; pH=8; Reagent/catalyst; Enzymatic reaction; enantioselective reaction;55.6%
With D-glucose; Bacillus subtilis glucose dehydrogenase; Symbiobacterium thermophilum meso-Diaminopimelate dehydrogenase W121L/H227I mutant; NADP; ammonium chloride In aq. buffer at 37℃; for 24h; pH=8.5; Kinetics; Reagent/catalyst; Enzymatic reaction;52%
With D-amino acid transaminase; D-Alanine; R-selective ω-transaminase from Arthrobacter sp; (3-hydroxy-5-hydroxymethyl)-2-methylisonicotinic acid 5-phosphate; isopropylamine In aq. phosphate buffer for 7h; pH=7;n/a
With D-Glucose; Bacillus megaterium glucose dehydrogenase; ammonia; Symbiobacterium thermophilum mesodiaminopimelate dehydrogenase Enzymatic reaction;n/a
3,3-dimethyl-D-cysteine
52-67-5

3,3-dimethyl-D-cysteine

A

D-Val-OH
640-68-6

D-Val-OH

B

L-valine
72-18-4

L-valine

Conditions
ConditionsYield
nickel In water for 1h; Product distribution; Ambient temperature; further amounts of catalyst;A 45%
B n/a
(-)-1-<(1-cyano-2-methylpropyl)amino>-2R-methyl-5R-(1-methylethenyl)-cyclohexane-1R,3R-dicarbonitrile
155385-84-5

(-)-1-<(1-cyano-2-methylpropyl)amino>-2R-methyl-5R-(1-methylethenyl)-cyclohexane-1R,3R-dicarbonitrile

D-Val-OH
640-68-6

D-Val-OH

Conditions
ConditionsYield
With hydrogenchloride at 110℃; for 12h;23%
N-((1R)-1-{[(2,2-dimethoxyethyl)amino]carbonyl}-2-methylpropyl)-N-[(1S)-1-phenylethyl]benzamide

N-((1R)-1-{[(2,2-dimethoxyethyl)amino]carbonyl}-2-methylpropyl)-N-[(1S)-1-phenylethyl]benzamide

D-Val-OH
640-68-6

D-Val-OH

Conditions
ConditionsYield
With hydrogenchloride for 6h; Heating;11%
D,L-valine
516-06-3

D,L-valine

D-Val-OH
640-68-6

D-Val-OH

Conditions
ConditionsYield
durch Vergaerung mit Hefe unter Zusatz von Zucker;
mit Hilfe eines Enzym-Praeparats aus Crotalus adamanteus;
crystallization with L-Phe (1:2 ratio) from water-ethanol (pH 5-6) at 0 deg C;
Conditions
ConditionsYield
With brucine anschliessend Hydrolyse des erhaltenen Formyl-l-valins mit 10prozentiger Bromwasserstoffsaeure;
N-chloroacetyl-D-valine
53518-63-1

N-chloroacetyl-D-valine

D-Val-OH
640-68-6

D-Val-OH

Conditions
ConditionsYield
With hydrogenchloride Hydrolysis;
In water at 37℃; for 0.166667h; Rate constant; D-aminocyclase from Alcaligenes denitrificans DA181, pH 7.8, bovine serum albumin;
2-iodo-propane
75-30-9

2-iodo-propane

Glycine tert-butyl ester
6456-74-2

Glycine tert-butyl ester

A

D-Val-OH
640-68-6

D-Val-OH

B

L-valine
72-18-4

L-valine

Conditions
ConditionsYield
Yield given. Multistep reaction. Yields of byproduct given. Title compound not separated from byproducts;
(R)-2-Amino-1-((1S,5R,7R)-10,10-dimethyl-3,3-dioxo-3λ6-thia-4-aza-tricyclo[5.2.1.01,5]dec-4-yl)-3-methyl-butan-1-one

(R)-2-Amino-1-((1S,5R,7R)-10,10-dimethyl-3,3-dioxo-3λ6-thia-4-aza-tricyclo[5.2.1.01,5]dec-4-yl)-3-methyl-butan-1-one

D-Val-OH
640-68-6

D-Val-OH

Conditions
ConditionsYield
With lithium hydroxide; ion exchange 1.) THF; Yield given. Multistep reaction;
(3R,6R)-2,5-diethoxy-6-isopropyl-3-<1'-13C>-carboxymethyl-3-methyl-6-hydropyrazine
133444-95-8

(3R,6R)-2,5-diethoxy-6-isopropyl-3-<1'-13C>-carboxymethyl-3-methyl-6-hydropyrazine

A

D-Val-OH
640-68-6

D-Val-OH

B

(2R)-<1-13C>-2-amino-2-methylmalonic acid
129145-03-5

(2R)-<1-13C>-2-amino-2-methylmalonic acid

Conditions
ConditionsYield
With hydrogenchloride; sodium hydroxide 1) CH3CN, RT, 18h, 2) 70 deg C, 15 min; Multistep reaction;
δ-(L-α-aminoadipoyl)-L-serine-D-valine
74784-08-0, 133444-29-8

δ-(L-α-aminoadipoyl)-L-serine-D-valine

A

D-Val-OH
640-68-6

D-Val-OH

B

L-serin
56-45-1

L-serin

C

L-homoglutamic acid
1118-90-7

L-homoglutamic acid

Conditions
ConditionsYield
With hydrogenchloride at 110℃; for 21h; Product distribution;
(R)-3-Methyl-2-((S)-1-phenyl-ethylamino)-butyric acid
42454-74-0

(R)-3-Methyl-2-((S)-1-phenyl-ethylamino)-butyric acid

D-Val-OH
640-68-6

D-Val-OH

Conditions
ConditionsYield
With palladium hydroxide - carbon for 24h; Yield given;
D,L-valine
516-06-3

D,L-valine

(S)-2-{(N-benzyl-2-pyrrolidinyl)carbonylamino}benzaldehyde
82704-14-1

(S)-2-{(N-benzyl-2-pyrrolidinyl)carbonylamino}benzaldehyde

A

D-Val-OH
640-68-6

D-Val-OH

B

L-valine
72-18-4

L-valine

Conditions
ConditionsYield
With hydrogenchloride; sodium methylate; nickel(II) nitrate Product distribution; 1.) MeOH, 40 deg C, 24 h, 2.) reflux;
D,L-valine
516-06-3

D,L-valine

A

D-Val-OH
640-68-6

D-Val-OH

B

L-valine
72-18-4

L-valine

Conditions
ConditionsYield
resolution of underivatized amino acids enantiomers by liquid chromatography using a chiral eluant Cu(L-Pro)2 and a reversed-phase column; other chiral eluants, pH dependence;
(2S,5S)-N-<(S)-N-bis(methylthio)methylenevalyl>-2,5-bis(methoxymethoxymethyl)pyrrolidine
108437-93-0

(2S,5S)-N-<(S)-N-bis(methylthio)methylenevalyl>-2,5-bis(methoxymethoxymethyl)pyrrolidine

A

D-Val-OH
640-68-6

D-Val-OH

B

L-valine
72-18-4

L-valine

Conditions
ConditionsYield
With hydrogenchloride for 4h; Heating; Yield given;
(R)-2-[((R)-Carboxy-phenyl-methyl)-amino]-3-methyl-butyric acid
112496-42-1

(R)-2-[((R)-Carboxy-phenyl-methyl)-amino]-3-methyl-butyric acid

D-Val-OH
640-68-6

D-Val-OH

Conditions
ConditionsYield
With hydrogen; palladium on activated charcoal
(S)-2-<(R)-2-hydroxy-1-phenylethylamino>-3-methylbutanoic acid
145058-01-1

(S)-2-<(R)-2-hydroxy-1-phenylethylamino>-3-methylbutanoic acid

A

D-Val-OH
640-68-6

D-Val-OH

B

L-valine
72-18-4

L-valine

Conditions
ConditionsYield
With formic acid In methanol; water Ambient temperature; Yield given. Yields of byproduct given;
(2R,2'R)-N-(2'-amino-3'-methylbutanoyl)bornane-10,2-sultam hydrochloride
129568-82-7

(2R,2'R)-N-(2'-amino-3'-methylbutanoyl)bornane-10,2-sultam hydrochloride

D-Val-OH
640-68-6

D-Val-OH

Conditions
ConditionsYield
With lithium hydroxide; Amberlite IR-120 1) THF, room temperature, 2) H2O, room temperature, 15 h; Yield given. Multistep reaction;
(3S,6R)-2,5-dimethoxy-3-((2'R)-methoxypropionyl)-6-isopropyl-3,6-dihydropyrazine

(3S,6R)-2,5-dimethoxy-3-((2'R)-methoxypropionyl)-6-isopropyl-3,6-dihydropyrazine

A

D-Val-OH
640-68-6

D-Val-OH

B

(2S,3S)-3-methylaspartic acid
6061-13-8

(2S,3S)-3-methylaspartic acid

C

erythro-β-methyl-L-aspartate
7298-96-6

erythro-β-methyl-L-aspartate

Conditions
ConditionsYield
With hydrogenchloride; sodium hydroxide 1.) acetonitrile, RT, 12 h, 2.) acetonitrile, 70 deg C, 15 min; Yield given. Multistep reaction. Title compound not separated from byproducts;
glycine
56-40-6

glycine

isopropyl bromide
75-26-3

isopropyl bromide

A

D-Val-OH
640-68-6

D-Val-OH

B

L-valine
72-18-4

L-valine

Conditions
ConditionsYield
Yield given. Multistep reaction. Yields of byproduct given;
With hydrogenchloride; sodium hydroxide; S-2-N-(N'-benzylprolyl)aminibenzophenone; sodium methylate 1.) methanol, 2.) DMF, 20 deg C, 30 min, 3.) methanol, reflux; Yield given. Multistep reaction. Yields of byproduct given. Title compound not separated from byproducts;
ethanol
64-17-5

ethanol

D-Val-OH
640-68-6

D-Val-OH

(R)-(-)-valine ethyl ester hydrochloride

(R)-(-)-valine ethyl ester hydrochloride

Conditions
ConditionsYield
With thionyl chloride for 4h; Heating;100%
With thionyl chloride
With thionyl chloride at 20℃;
nicotinic acid
59-67-6

nicotinic acid

D-Val-OH
640-68-6

D-Val-OH

(R)-1-carboxy-2-methylpropan-1-aminium nicotinate

(R)-1-carboxy-2-methylpropan-1-aminium nicotinate

Conditions
ConditionsYield
In water for 0.166667h; pH=Ca. 3.3 - 3.9; Cooling with ice;100%
D-Val-OH
640-68-6

D-Val-OH

benzaldehyde
100-52-7

benzaldehyde

C12H15NO2

C12H15NO2

Conditions
ConditionsYield
In toluene for 4h; Reflux;99.8%
D-Val-OH
640-68-6

D-Val-OH

(R)-2-Hydroxy-3-methylbutyric acid
17407-56-6

(R)-2-Hydroxy-3-methylbutyric acid

Conditions
ConditionsYield
With sulfuric acid; water; sodium nitrite at 60℃; Flow reactor;99%
With sulfuric acid; sodium nitrite In water at 60℃; under 5171.62 Torr; Inert atmosphere;80%
With sulfuric acid; sodium nitrite In water at 0 - 20℃; for 12h;65%
D-Val-OH
640-68-6

D-Val-OH

di-tert-butyl dicarbonate
24424-99-5

di-tert-butyl dicarbonate

Boc-D-Val-OH
22838-58-0

Boc-D-Val-OH

Conditions
ConditionsYield
With sodium hydrogencarbonate In tetrahydrofuran; water for 16h; Reflux;99%
With sodium hydrogencarbonate In water94%
With sodium hydroxide In tetrahydrofuran; water for 2h;92%
D-Val-OH
640-68-6

D-Val-OH

bis(trichloromethyl) carbonate
32315-10-9

bis(trichloromethyl) carbonate

D-valine N-carboxy anhydride
43089-05-0

D-valine N-carboxy anhydride

Conditions
ConditionsYield
In tetrahydrofuran at 45 - 50℃;99%
D-Val-OH
640-68-6

D-Val-OH

3-chloro-4-fluoro benzotrifluoride
78068-85-6

3-chloro-4-fluoro benzotrifluoride

2-(2-chloro-α,α,α-trifluoro-p-toluidino)-3-methylbutyric acid
76338-73-3

2-(2-chloro-α,α,α-trifluoro-p-toluidino)-3-methylbutyric acid

Conditions
ConditionsYield
With potassium carbonate99%
D-Val-OH
640-68-6

D-Val-OH

3-carbamoyl-1-(2,4-dinitrophenyl)pyridinium chloride
53406-00-1

3-carbamoyl-1-(2,4-dinitrophenyl)pyridinium chloride

C11H15N2O3(1+)

C11H15N2O3(1+)

Conditions
ConditionsYield
With triethylamine In methanol at 20℃; for 24h;98.5%
methanol
67-56-1

methanol

D-Val-OH
640-68-6

D-Val-OH

D-Valine methyl ester hydrochloride
7146-15-8

D-Valine methyl ester hydrochloride

Conditions
ConditionsYield
With thionyl chloride 1.) -15 deg C, 40 min, 2.) 40 deg C, 2 h;98%
With thionyl chloride at 20℃;96%
With thionyl chloride at 20℃; Inert atmosphere;94%
n-dodecanoyl chloride
112-16-3

n-dodecanoyl chloride

D-Val-OH
640-68-6

D-Val-OH

N-lauroyl-D-valine
14379-29-4

N-lauroyl-D-valine

Conditions
ConditionsYield
Stage #1: D-Val-OH With pyridine; chloro-trimethyl-silane In dichloromethane for 1.16667h;
Stage #2: n-dodecanoyl chloride In dichloromethane at 0 - 20℃; for 1.83333h; Enzymatic reaction;
98%
Stage #1: n-dodecanoyl chloride; D-Val-OH With sodium hydroxide In water; acetone at 0 - 5℃;
Stage #2: With hydrogenchloride In water; acetone pH=1;
D-Val-OH
640-68-6

D-Val-OH

Λ-[Ir(2-phenylquinoline)2(MeCN)2](PF6)

Λ-[Ir(2-phenylquinoline)2(MeCN)2](PF6)

Δ-[Ir(pq)2(D-val)]

Δ-[Ir(pq)2(D-val)]

Conditions
ConditionsYield
With sodium methylate In methanol at 20℃; for 12h; Darkness;98%
D-Val-OH
640-68-6

D-Val-OH

2,2,2-trifluoroethyl chloroformate
27746-99-2

2,2,2-trifluoroethyl chloroformate

N-(2,2,2-trifluoroethoxycarbonyl)-D-valine

N-(2,2,2-trifluoroethoxycarbonyl)-D-valine

Conditions
ConditionsYield
With sodium hydroxide In water; toluene at 5 - 10℃; for 1h; pH=12;97.3%
D-Val-OH
640-68-6

D-Val-OH

(1S,3E)-5-<(2,5-dioxo-1-pyrrolidinyl)oxy>-1-<(1R,2E)-1-methyl-3-phenyl-2-propenyl>-5-oxo-3-pentenyl-(2S)-<3-<<(1,1-dimethylethoxy)carbonyl>amino>-2,2-dimethyl-1-oxopropoxy>-4-methylpentanoate
188346-51-2

(1S,3E)-5-<(2,5-dioxo-1-pyrrolidinyl)oxy>-1-<(1R,2E)-1-methyl-3-phenyl-2-propenyl>-5-oxo-3-pentenyl-(2S)-<3-<<(1,1-dimethylethoxy)carbonyl>amino>-2,2-dimethyl-1-oxopropoxy>-4-methylpentanoate

N-<(1,1-dimethylethoxy)carbonyl>-2,2-dimethyl-β-alanyl-(2S)-2-hydroxy-4-(methylpentanoyl)-(2E,5S,6R,7E)-5-hydroxy-6-methyl-8-phenyl-2,7-octadienoyl-D-valine
240428-49-3

N-<(1,1-dimethylethoxy)carbonyl>-2,2-dimethyl-β-alanyl-(2S)-2-hydroxy-4-(methylpentanoyl)-(2E,5S,6R,7E)-5-hydroxy-6-methyl-8-phenyl-2,7-octadienoyl-D-valine

Conditions
ConditionsYield
With N,O-bis-(trimethylsilyl)-acetamide In N,N-dimethyl-formamide at 55 - 60℃;96%
formaldehyd
50-00-0

formaldehyd

D-Val-OH
640-68-6

D-Val-OH

(R)-2-(N,N-dimethylamino)-3-methylbutanoic acid
899900-52-8

(R)-2-(N,N-dimethylamino)-3-methylbutanoic acid

Conditions
ConditionsYield
With palladium 10% on activated carbon; hydrogen In water at 20℃; under 760.051 Torr; for 120h;96%
With hydrogen; palladium on activated charcoal In water at 20℃;
With 5%-palladium/activated carbon; hydrogen In water at 20℃; for 120h;
With sodium cyanoborohydride In water for 0.5h; Cooling with ice;
D-Val-OH
640-68-6

D-Val-OH

(fluorenylmethoxy)carbonyl chloride
28920-43-6

(fluorenylmethoxy)carbonyl chloride

N-(9-fluorenylmethoxycarbonyl)-D-valine
84624-17-9

N-(9-fluorenylmethoxycarbonyl)-D-valine

Conditions
ConditionsYield
With sodium carbonate In 1,4-dioxane at 0 - 20℃;96%
With sodium carbonate In 1,4-dioxane; water at 0 - 20℃; for 1h; Inert atmosphere;
D-Val-OH
640-68-6

D-Val-OH

isopropyl alcohol
67-63-0

isopropyl alcohol

Val-O-iPr+ (Cl-)

Val-O-iPr+ (Cl-)

Conditions
ConditionsYield
With thionyl chloride at 0℃; Reflux;95%
With hydrogenchloride
With hydrogenchloride
[Pd(2-phenylpyridine-C(2),N')(μ-Cl)]2
135681-05-9, 20832-86-4

[Pd(2-phenylpyridine-C(2),N')(μ-Cl)]2

D-Val-OH
640-68-6

D-Val-OH

Pd(NC5H4C6H4)(NH2CH(CH(CH3)2)CO2)

Pd(NC5H4C6H4)(NH2CH(CH(CH3)2)CO2)

Conditions
ConditionsYield
With NaOMe In methanol N2-atmosphere; dropwise addn. of 1 equiv. NaOMe to aminoacid, gentle heating to dissoln., addn. of stoich. amt. Pd-complex, stirring for 14-18 h; centrifugation, solvent removal (vac.), extn. into DMF, solvent removal (vac.), washing (water), drying (vac., 60°C, 9 h); elem. anal.;95%
D-Val-OH
640-68-6

D-Val-OH

benzyl chloroformate
501-53-1

benzyl chloroformate

Z-D-proline
6404-31-5

Z-D-proline

Conditions
ConditionsYield
With sodium hydroxide at 0℃;95%
dichlorotricarbonylruthenium(II) dimer

dichlorotricarbonylruthenium(II) dimer

D-Val-OH
640-68-6

D-Val-OH

Ru(CO)3Cl-D-valinate

Ru(CO)3Cl-D-valinate

Conditions
ConditionsYield
With sodium methylate In methanol at 20℃; for 24h; Inert atmosphere;94.8%
formaldehyd
50-00-0

formaldehyd

D-Val-OH
640-68-6

D-Val-OH

butane-2,3-dione mono-oxime
135636-66-7

butane-2,3-dione mono-oxime

(R)-2-(4,5-Dimethyl-3-oxy-imidazol-1-yl)-3-methyl-butyric acid
122459-37-4

(R)-2-(4,5-Dimethyl-3-oxy-imidazol-1-yl)-3-methyl-butyric acid

Conditions
ConditionsYield
In ethanol for 3h; Heating;94%
bromochlorobenzene
106-39-8

bromochlorobenzene

D-Val-OH
640-68-6

D-Val-OH

(4-chlorophenyl)-D-valine

(4-chlorophenyl)-D-valine

Conditions
ConditionsYield
With D-myo-inositol; copper; caesium carbonate In water at 100℃; for 10h;94%
D-Val-OH
640-68-6

D-Val-OH

benzyl chloroformate
501-53-1

benzyl chloroformate

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

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

Conditions
ConditionsYield
With sodium hydrogencarbonate Acylation;93%
With sodium hydrogencarbonate at 0 - 20℃;93%
With sodium hydrogencarbonate at 0 - 20℃;93%
D-Val-OH
640-68-6

D-Val-OH

trichloromethyl chloroformate
503-38-8

trichloromethyl chloroformate

D-valine N-carboxy anhydride
43089-05-0

D-valine N-carboxy anhydride

Conditions
ConditionsYield
With pyrographite In tetrahydrofuran at 60℃; for 1h;93%
methanol
67-56-1

methanol

D-Val-OH
640-68-6

D-Val-OH

toluene-4-sulfonic acid
104-15-4

toluene-4-sulfonic acid

Toluene-4-sulfonic acid; compound with (R)-2-amino-3-methyl-butyric acid methyl ester

Toluene-4-sulfonic acid; compound with (R)-2-amino-3-methyl-butyric acid methyl ester

Conditions
ConditionsYield
With p-toluenesulfonyl chloride for 20h; Heating;93%
phthalic anhydride
85-44-9

phthalic anhydride

D-Val-OH
640-68-6

D-Val-OH

Conditions
ConditionsYield
With triethylamine In toluene Heating;92%
at 150℃;
With triethylamine In toluene Reflux; Inert atmosphere;
D-Val-OH
640-68-6

D-Val-OH

(R)-2-amino-3-methylbutanol
4276-09-9

(R)-2-amino-3-methylbutanol

Conditions
ConditionsYield
With lithium borohydride; chloro-trimethyl-silane In tetrahydrofuran at 20℃; for 0.25h; Reduction;92%
With sodium tetrahydroborate; iodine In tetrahydrofuran Inert atmosphere;91%
With lithium aluminium tetrahydride In tetrahydrofuran at 0℃; for 17h; Reflux;74%
D-Val-OH
640-68-6

D-Val-OH

isobutyraldehyde
78-84-2

isobutyraldehyde

butane-2,3-dione mono-oxime
135636-66-7

butane-2,3-dione mono-oxime

1-α-Carboxyisobutyl-2-isopropyl-4,5-dimethylimidazol-3-oxid
133286-87-0

1-α-Carboxyisobutyl-2-isopropyl-4,5-dimethylimidazol-3-oxid

Conditions
ConditionsYield
In acetic acid for 1h; Heating;92%

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