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Shaanxi Cuicheng Biomedical Technology Co., Ltd.

Why Choose Us: 1. Factory direct sales, so we can provide the competitive price and high quality product base on 8 years of production and R&D experience. 2. It is available in stock for quick shipment.Products could be packaged according to cu

High quality L-Norvaline supplier in China

Cas:6600-40-4

Min.Order:1 Gram

Negotiable

Type:Other

inquiry

Hunan Wistar Imp. & Exp. Co., Ltd.

The company serves as a key global supplier of statins intermediates, which has a solid industrial foundation in the field of statins for lipid-lowering drugs, and holds a leading position in the market. Leveraging extensive experience in research an

L-(+)-2-Aminovaleric acid

Cas:6600-40-4

Min.Order:25 Kilogram

Negotiable

Type:Trading Company

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

Norvaline

Cas:6600-40-4

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

inquiry

Simagchem Corporation

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

High quality L-Norvaline supplier in China

Cas:6600-40-4

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

inquiry

Jinan Finer Chemical Co., Ltd

Product description: Product name Norvaline CAS number 6600-40-4 Assay ≥99% Appearance White crystalline powder Capacity 200mt/year Application Pharmaceutical intermediate

Norvaline

Cas:6600-40-4

Min.Order:10 Gram

FOB Price: $12.0

Type:Lab/Research institutions

inquiry

Wuhan Fortuna Chemical Co.,Ltd

High quality L-Norvaline CAS 6600-40-4 with factory price Company profile Wuhan Fortuna Chemical Co.,Ltd established in 2006, is a big integrative chemical enterprise being engaged in Pharmaceutical & its intermediates, Food/Feed additives,

High quality L-Norvaline CAS 6600-40-4 with factory price

Cas:6600-40-4

Min.Order:10 Kilogram

FOB Price: $10.0

Type:Trading Company

inquiry

Hefei TNJ chemical industry co.,ltd

Product Name: L-Norvaline Synonyms:L-(+)-2-Aminovaleric acid; L-Nva; (S)-2-amino-pentanoic acid Molecular Formula: C5H11NO2 Molecular Weight: 117.1463 CAS NO: 6600-40-4 EINECS NO: 229-543-3 Grade Standard: Pharma Grade, Food Grade P

L-Norvaline factory

Cas:6600-40-4

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

Henan Allgreen Chemical Co.,Ltd

he company has advanced technology, as well as a large number of excellent R & D team, to provide customers from the grams to one hundred kilograms and tons of high-quality products, competitive prices and quality se T rvice Appearance:

L-Norvaline

Cas:6600-40-4

Min.Order:1 Kilogram

Negotiable

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 Norvaline

Cas:6600-40-4

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 Food Grade L-Norvaline 6600-40-4 HACCP Manufacturer

Cas:6600-40-4

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

inquiry

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-Norvaline

Cas:6600-40-4

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

Hebei yanxi chemical co.,LTD.

1 Factory price 2 High quality 3 Good service 4 Prompt service Appearance:The crystallization Storage:Kept in dry and cool place and from sunlight; Kept the packing intact. Package: 25kg plastic woven bag with inner linning. Application: Food

(2S)-2-aminopentanoic acid

Cas:6600-40-4

Min.Order:100 Kilogram

FOB Price: $1000.0

Type:Trading Company

inquiry

Hebei Nengqian Chemical Import and Export Co., LTD

Our Advantage Rich Experience Our products are sold all over Europe,North&South America, Sino-East, Asia and pacific area as well as Africa,we establish long term. Quality service Company cooperates with research institutes. We strictly con

L-Norvaline CAS6600-40-4

Cas:6600-40-4

Min.Order:1 Kilogram

FOB Price: $1.0 / 10.0

Type:Trading Company

inquiry

Henan Tianfu Chemical Co., Ltd.

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

L-Norvaline-

Cas:6600-40-4

Min.Order:1 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

Zhuozhou Wenxi import and Export Co., Ltd

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

New arrival CAS 6600-40-4 with competitive price

Cas:6600-40-4

Min.Order:10 Gram

FOB Price: $146.0 / 176.0

Type:Trading Company

inquiry

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

L-Norvaline

Cas:6600-40-4

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

inquiry

Henan Sinotech Import&Export Corporation

Product name: L-Norvaline/ Norvaline CAS No.: 6600-40-4 Formula: C5H11NO2 EINECS: 229-543-3 Synonyms: 2-Aminovaleric acid;alpha-Aminovaleric acid;alpha-L-Aminopentanoic acid;n-C3H7CH(NH2)COOH;Pentanoic acid, 2-amino-;Pentanoic acid,

L-Norvaline CAS NO. 6600-40-4

Cas:6600-40-4

Min.Order:5 Metric Ton

FOB Price: $1.0 / 2.0

Type:Other

inquiry

LIDE PHARMACEUTICALS LIMITED

Advantage : LIDE PHARMACEUTICALS LTD. is a mid-small manufacturing-type enterprise, engaged in pharmaceutical intermediates of R&D, custom-made and production, and also involving trading chemicals for export. We have established the R&amp

Norvaline/ LIDE PHARMA- Factory supply / Best price

Cas:6600-40-4

Min.Order:0

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

L-norvaline 6600-40-4

Cas:6600-40-4

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

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

L-Norvaline

Cas:6600-40-4

Min.Order:1 Kilogram

FOB Price: $42.0 / 56.0

Type:Trading Company

inquiry

Qingdao Beluga Import and Export Co., LTD

L-Norvaline CAS:6600-40-4 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 intermediates,

L-Norvaline CAS:6600-40-4

Cas:6600-40-4

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Shanghai Terui OP New Material Technology Co., Ltd.

We generally use secure shipping methods that do not require you to do any customs clearance. Free shipping to your address without worrying about any customs issues. We have a professional customs clearance team to 100% guarantee the safe delivery o

Wholesale Price Health Supplement L-norvaline powder CAS 6600-40-4 L-Norvaline

Cas:6600-40-4

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

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

L-norvaline

Cas:6600-40-4

Min.Order:1 Kilogram

Negotiable

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

CAS NO.:6600-40-4

Cas:6600-40-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Lonwin Chemical Group Limited

Norvaline CAS: 6600-40-4 Specification Item Specification Appearance White Powder Assay 98%min Density 1.2000 (estimate) Melting Point >300 °C(lit.) Welcome to contac

Factory supply Norvaline

Cas:6600-40-4

Min.Order:1 Kilogram

FOB Price: $100.0 / 150.0

Type:Other

inquiry

Leader Biochemical Group

PRODUCT DETAILS

China Largest Manufacturer factory sales L-Norvaline CAS 6600-40-4

Cas:6600-40-4

Min.Order:500 Kilogram

FOB Price: $1.0 / 2.0

Type:Lab/Research institutions

inquiry

Changchun Artel lmport and Export trade company

Product Detail Minimum Order Qty. 10 Gram

L-Norvaline CAS NO.6600-40-4

Cas:6600-40-4

Min.Order:10 Gram

Negotiable

Type:Trading Company

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

Norvaline

Cas:6600-40-4

Min.Order:1 Kilogram

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

L-Norvaline

Cas:6600-40-4

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

Synthetic route

2-oxopentanoic acid
1821-02-9

2-oxopentanoic acid

A

D-norvaline
2013-12-9

D-norvaline

B

L-Norvaline
6600-40-4

L-Norvaline

Conditions
ConditionsYield
With CC10H14NOSCH2CH2CH3N(CH3)2 (5); zinc diacetate In methanol at 30℃; Product distribution; pH 4.00; other reagent;A 95%
B 5%
With 5-((3-(dimethylamino)propyl)thio)-4-(aminomethyl)-3-hydroxyl-5,6,7,8-tetraquinoline In methanol at 30℃; Product distribution; stereoselective transaminations at pH=4.00, various reagents;A 96 % Chromat.
B 4 % Chromat.
With C12H18N4O2*ClH; 2,2-diphenylglycine In methanol; water at 20℃; for 6h; enantioselective reaction;A n/a
B n/a
With isopropylamine In aq. buffer for 48h; pH=7.0; Time; Enzymatic reaction; Overall yield = 90 %;A n/a
B n/a
(3S,5S,6R)-4-(benzyloxycarbonyl)-5,6-diphenyl-3-(2'-propenyl)-2,3,5,6-tetrahydro-4H-1,4-oxazin-2-one
100516-55-0

(3S,5S,6R)-4-(benzyloxycarbonyl)-5,6-diphenyl-3-(2'-propenyl)-2,3,5,6-tetrahydro-4H-1,4-oxazin-2-one

L-Norvaline
6600-40-4

L-Norvaline

Conditions
ConditionsYield
With hydrogen; palladium dichloride In tetrahydrofuran; ethanol under 2068.6 Torr; for 21h;93%
With hydrogen; palladium dichloride In ethanol at 25℃; under 1034.3 Torr; Yield given;
(1S,2S,5S,9S)-2,10,10-Trimethyl-5-propyl-3-oxa-6-aza-tricyclo[7.1.1.02,7]undec-6-en-4-one
141895-39-8

(1S,2S,5S,9S)-2,10,10-Trimethyl-5-propyl-3-oxa-6-aza-tricyclo[7.1.1.02,7]undec-6-en-4-one

L-Norvaline
6600-40-4

L-Norvaline

Conditions
ConditionsYield
With hydrogenchloride In tetrahydrofuran at 70℃; for 3h;92%
2-oxopentanoic acid
1821-02-9

2-oxopentanoic acid

L-Norvaline
6600-40-4

L-Norvaline

Conditions
ConditionsYield
With sodium formate; ammonium chloride; NADH In aq. phosphate buffer at 25℃; for 6h; pH=8.0; Kinetics; Reagent/catalyst; Green chemistry; Enzymatic reaction;84.1%
With glutamate dehydrogenase; L-glutamic acid; pyridoxal 5'-phosphate; alcohol dehydrogenases from Bacillus stearothermophilus; branched-chain amino acid aminotransferase; NADH In isopropyl alcohol at 35℃; for 5h; pH=8; Reagent/catalyst; Enzymatic reaction; enantioselective reaction;59.1%
With L-2-aminobutyric acid; branched-chain transaminase from Escherichiacoli; S-selective ω-transaminase from Ochrobactrum anthropi; (3-hydroxy-5-hydroxymethyl)-2-methylisonicotinic acid 5-phosphate; isopropylamine In aq. phosphate buffer for 9h; pH=7;n/a

A

L-alanin
56-41-7

L-alanin

B

D-Alanine
338-69-2

D-Alanine

C

D-norvaline
2013-12-9

D-norvaline

D

L-Norvaline
6600-40-4

L-Norvaline

Conditions
ConditionsYield
With (S)-1-(N,N-dimethylaminomethyl)-2-formylcymantrene; sodium methylate; copper (I) acetate for 1h; Ambient temperature;A 78.31%
B 21.69%
C 60.57%
D 39.43%
With (S)-1-(N,N-dimethylaminomethyl)-2-formylcymantrene; sodium methylate; copper (I) acetate for 3h; Ambient temperature;A 76.83%
B 23.15%
C 73.8%
D 26.2%
With (R)-1-(N,N-dimethylaminomethyl)-2-formylcymantrene; sodium methylate; copper (I) acetate for 1h; Ambient temperature;A 26.8%
B 73.2%
C 42.16%
D 57.84%
With (R)-1-(N,N-dimethylaminomethyl)-2-formylcymantrene; sodium methylate; copper (I) acetate for 1h; Ambient temperature;A 26.8%
B 73.2%
C 42.16%
D 57.84%
tert-butyl-(2S,3S)-1,2-dihydroxyhexan-3-ylcarbamate
220515-19-5

tert-butyl-(2S,3S)-1,2-dihydroxyhexan-3-ylcarbamate

L-Norvaline
6600-40-4

L-Norvaline

Conditions
ConditionsYield
Stage #1: tert-butyl-(2S,3S)-1,2-dihydroxyhexan-3-ylcarbamate With ruthenium trichloride; sodium periodate In tetrachloromethane; water; acetonitrile for 2h;
Stage #2: With hydrogenchloride In tetrahydrofuran for 12h; Heating;
65%
(2S)-(N-para-toluenesulphonylamino)pentanoic acid tert-butyl ester
127700-63-4

(2S)-(N-para-toluenesulphonylamino)pentanoic acid tert-butyl ester

L-Norvaline
6600-40-4

L-Norvaline

Conditions
ConditionsYield
With hydrogen bromide; acetic acid; phenol for 24h; Ambient temperature;62%
With hydrogen bromide; acetic acid 1.) phenol, 25 deg C, 24 h;
((S)-1-Cyano-butyl)-carbamic acid methyl ester
631921-64-7

((S)-1-Cyano-butyl)-carbamic acid methyl ester

L-Norvaline
6600-40-4

L-Norvaline

Conditions
ConditionsYield
With hydrogenchloride In water for 7h; Heating;60%
(2S)-[(1'R)-phenylethylamino]-4-pentenoic acid

(2S)-[(1'R)-phenylethylamino]-4-pentenoic acid

L-Norvaline
6600-40-4

L-Norvaline

Conditions
ConditionsYield
With hydrogen; palladium on carbon In water at 50℃; under 16501.7 Torr; for 47h;41.5%

A

L-Norvaline
6600-40-4

L-Norvaline

B

N-acetyl-D-norvaline
57357-56-9

N-acetyl-D-norvaline

Conditions
ConditionsYield
With potassium hydroxide; Aspergillus acylase I pH 7.5-8.0; Yields of byproduct given;A 33%
B n/a
With potassium hydroxide; potassium phosphate buffer; porcine kidney acylase I at 40℃; relative initial rate of hydrolysis, also with Aspergillus acylase I as a catalyst; with or without CoCl2;
With lipase AS 'Amano' at 35℃; for 24h; pH=6.5; Enzymatic reaction; enantioselective reaction;A n/a
B n/a
α-ketovalerate
13123-54-1

α-ketovalerate

L-Norvaline
6600-40-4

L-Norvaline

Conditions
ConditionsYield
With L-glutamic acid; pyridoxal 5'-phosphate In water at 40℃; for 18h; E.coli Aspartate transaminase, pH 8;32%
With pyridoxal 5'-phosphate; Paracoccus denitrificans ω-transaminase; isopropylamine In aq. phosphate buffer for 1.66667h; pH=7; Enzymatic reaction;
N-formyl-D,L-norvaline
112624-75-6

N-formyl-D,L-norvaline

L-Norvaline
6600-40-4

L-Norvaline

Conditions
ConditionsYield
beim Verseifen;
Multi-step reaction with 2 steps
2: Hydrolysis
View Scheme
With water; cobalt(II) chloride for 0.8h; pH=8; Enzymatic reaction;
N-formyl-L-norvaline
112624-75-6

N-formyl-L-norvaline

L-Norvaline
6600-40-4

L-Norvaline

Conditions
ConditionsYield
Hydrolysis;
L-Norvaline
6600-40-4

L-Norvaline

Conditions
ConditionsYield
With (R)-1-phenyl-ethyl-amine
With acylase from Aspergillus oryzae; water at 20 - 37℃;
N-Chloroacetyl norvaline
6940-47-2

N-Chloroacetyl norvaline

L-Norvaline
6600-40-4

L-Norvaline

Conditions
ConditionsYield
mit Hilfe eines Enzym-Praeparats aus Schweine-Nieren;
N,N-dibenzyl-L-norvaline
100196-24-5

N,N-dibenzyl-L-norvaline

L-Norvaline
6600-40-4

L-Norvaline

Conditions
ConditionsYield
With hydrogenchloride; palladium Hydrogenation;
2-aminopentanoic acid
760-78-1

2-aminopentanoic acid

A

D-norvaline
2013-12-9

D-norvaline

B

L-Norvaline
6600-40-4

L-Norvaline

N-Acetyl-L-2-aminopentanoic acid
15891-50-6

N-Acetyl-L-2-aminopentanoic acid

L-Norvaline
6600-40-4

L-Norvaline

Conditions
ConditionsYield
With Aspergillus oryzae acylase relative rates;
With pig kidney acylase I In phosphate buffer at 37℃; for 0.166667h; pH=7.4; Enzyme kinetics; Deacetylation;
N-Chloroacetyl norvaline
6940-47-2

N-Chloroacetyl norvaline

A

L-Norvaline
6600-40-4

L-Norvaline

B

N-Chloroacetyl D-norvaline
910886-24-7

N-Chloroacetyl D-norvaline

Conditions
ConditionsYield
With potassium hydroxide; potassium phosphate buffer; porcine kidney acylase I at 40℃; relative initial rate of hydrolysis, also with Aspergillus acylase I as a catalyst; with or without CoCl2;
(R)-2-Azido-pentanoic acid (1S,2R,4R)-1-[(dicyclohexylsulfamoyl)-methyl]-7,7-dimethyl-bicyclo[2.2.1]hept-2-yl ester
106749-04-6

(R)-2-Azido-pentanoic acid (1S,2R,4R)-1-[(dicyclohexylsulfamoyl)-methyl]-7,7-dimethyl-bicyclo[2.2.1]hept-2-yl ester

A

D-norvaline
2013-12-9

D-norvaline

B

L-Norvaline
6600-40-4

L-Norvaline

Conditions
ConditionsYield
With titanium tetrakis(benzyl alkoxide); hydrogen; Pd-BaSO4 1.) benzyl alcohol, 130 gradC 2.) EtOH, 1 atm, r.t.; Yield given. Multistep reaction. Yields of byproduct given;
N-Methoxyacetyl norvaline
121703-97-7

N-Methoxyacetyl norvaline

A

L-Norvaline
6600-40-4

L-Norvaline

B

N-Methoxyacetyl D-norvaline
121703-97-7

N-Methoxyacetyl D-norvaline

Conditions
ConditionsYield
With potassium hydroxide; potassium phosphate buffer; porcine kidney acylase I at 40℃; relative initial rate of hydrolysis, also with Aspergillus acylase I as a catalyst; with or without CoCl2;
2-[(2,4-Dinitro-phenyl)-hydrazono]-pent-4-enoic acid

2-[(2,4-Dinitro-phenyl)-hydrazono]-pent-4-enoic acid

L-Norvaline
6600-40-4

L-Norvaline

Conditions
ConditionsYield
With hydrogen; platinum(IV) oxide In ethanol for 1h;
diethylaluminium cyanide
5804-85-3

diethylaluminium cyanide

(S)-N-(butylidene)-4-methylbenzenesulfinamide
188447-84-9

(S)-N-(butylidene)-4-methylbenzenesulfinamide

L-Norvaline
6600-40-4

L-Norvaline

Conditions
ConditionsYield
With hydrogenchloride 1.) Et2O, from -78 to -15 degC; 2.) reflux; Yield given. Multistep reaction;
diethylaluminium cyanide
5804-85-3

diethylaluminium cyanide

2-Methoxy-naphthalene-1-sulfinic acid (S)-but-(E)-ylideneamide

2-Methoxy-naphthalene-1-sulfinic acid (S)-but-(E)-ylideneamide

L-Norvaline
6600-40-4

L-Norvaline

Conditions
ConditionsYield
With hydrogenchloride 1.) THF, from -78 to -40 degC; 2.) reflux; Yield given. Multistep reaction;
D,L-NorLeu-OBzl
80174-42-1

D,L-NorLeu-OBzl

A

D-norvaline
2013-12-9

D-norvaline

B

L-Norvaline
6600-40-4

L-Norvaline

Conditions
ConditionsYield
With pyridoxal 5'-phosphate In water; tert-butyl alcohol at 40℃; for 4h; alcalase, pH=8.5; Yield given. Yields of byproduct given. Title compound not separated from byproducts;
With Alcalase; pyridoxal 5'-phosphate; water In tert-butyl alcohol at 40℃; for 4h; pH=8.5; racemization of D-enantiomer; kinetic res.; Title compound not separated from byproducts;
(R)-2-((4S,5R)-2-Oxo-4,5-diphenyl-oxazolidin-3-yl)-pent-4-enoic acid benzyl ester
161633-98-3

(R)-2-((4S,5R)-2-Oxo-4,5-diphenyl-oxazolidin-3-yl)-pent-4-enoic acid benzyl ester

A

D-norvaline
2013-12-9

D-norvaline

B

L-Norvaline
6600-40-4

L-Norvaline

Conditions
ConditionsYield
With hydrogen; palladium dihydroxide In tetrahydrofuran; methanol under 3102.9 Torr; for 10.5h; Yield given. Yields of byproduct given. Title compound not separated from byproducts;
ethyl 2-amino-L-butyrate
39256-85-4

ethyl 2-amino-L-butyrate

A

D-norvaline
2013-12-9

D-norvaline

B

L-Norvaline
6600-40-4

L-Norvaline

Conditions
ConditionsYield
With phosphate buffer; Humicola amino esterase Ambient temperature; Title compound not separated from byproducts;
2-{[1-Phenyl-meth-(E)-ylidene]-amino}-pentanoic acid ethyl ester
149207-93-2

2-{[1-Phenyl-meth-(E)-ylidene]-amino}-pentanoic acid ethyl ester

A

D-norvaline
2013-12-9

D-norvaline

B

L-Norvaline
6600-40-4

L-Norvaline

Conditions
ConditionsYield
With water; chymotrypsin In acetonitrile for 208h; Yield given. Title compound not separated from byproducts;
DL-norvaline ethyl ester; hydrochloride
23358-62-5, 40918-51-2

DL-norvaline ethyl ester; hydrochloride

L-Norvaline
6600-40-4

L-Norvaline

2-Amino-pentanoic acid propyl ester; hydrochloride

2-Amino-pentanoic acid propyl ester; hydrochloride

L-Norvaline
6600-40-4

L-Norvaline

phthalic anhydride
85-44-9

phthalic anhydride

L-Norvaline
6600-40-4

L-Norvaline

(S)-2-(1,3-dioxoisoindolin-2-yl)pentanoic acid
58073-26-0

(S)-2-(1,3-dioxoisoindolin-2-yl)pentanoic acid

Conditions
ConditionsYield
at 135℃;100%
at 140℃; for 0.166667h;98%
With triethylamine In toluene at 130℃; Dean-Stark;37%
at 130℃;
L-Norvaline
6600-40-4

L-Norvaline

2-chloro-4-fluorobenzonitrile
60702-69-4

2-chloro-4-fluorobenzonitrile

N-(3-chloro-4-cyanophenyl)norvaline

N-(3-chloro-4-cyanophenyl)norvaline

Conditions
ConditionsYield
With caesium carbonate In dimethyl sulfoxide at 90℃;100%
L-Norvaline
6600-40-4

L-Norvaline

2-Nitrobenzenesulfonyl chloride
1694-92-4

2-Nitrobenzenesulfonyl chloride

2-(2-nitro-benzenesulfonylamino)-pentanoic acid
150482-82-9

2-(2-nitro-benzenesulfonylamino)-pentanoic acid

Conditions
ConditionsYield
With triethylamine In tetrahydrofuran; water at 20℃; Cooling with ice;100%
L-Norvaline
6600-40-4

L-Norvaline

cholin hydroxide
123-41-1

cholin hydroxide

C5H10NO2(1-)*C5H14NO(1+)

C5H10NO2(1-)*C5H14NO(1+)

Conditions
ConditionsYield
In water at 3℃; Darkness;99%
L-Norvaline
6600-40-4

L-Norvaline

ethyl trifluoroacetate,
383-63-1

ethyl trifluoroacetate,

(S)-2-(2,2,2-trifluoroacetamido)pentanoic acid
350-21-0

(S)-2-(2,2,2-trifluoroacetamido)pentanoic acid

Conditions
ConditionsYield
With triethylamine In methanol at 20℃; for 24h;99%
methanol
67-56-1

methanol

L-Norvaline
6600-40-4

L-Norvaline

methyl L-norvalinate hydrochloride
56558-30-6

methyl L-norvalinate hydrochloride

Conditions
ConditionsYield
With hydrogenchloride Ambient temperature;98%
With hydrogenchloride for 1h; Reflux;98%
With hydrogenchloride for 6h; Reflux; Inert atmosphere;97%
L-Norvaline
6600-40-4

L-Norvaline

trifluoroacetic anhydride
407-25-0

trifluoroacetic anhydride

4-propyl-2-(trifluoromethyl)oxazol-5(2H)-one
2357-40-6

4-propyl-2-(trifluoromethyl)oxazol-5(2H)-one

Conditions
ConditionsYield
for 1h; Reflux;97%
L-Norvaline
6600-40-4

L-Norvaline

di-tert-butyl dicarbonate
24424-99-5

di-tert-butyl dicarbonate

N-tert-butoxycarbonyl-L-norvaline
53308-95-5

N-tert-butoxycarbonyl-L-norvaline

Conditions
ConditionsYield
Stage #1: L-Norvaline With sodium hydroxide In tetrahydrofuran; water at 0℃; for 0.166667h;
Stage #2: di-tert-butyl dicarbonate In tetrahydrofuran; water at 0 - 20℃; for 24h;
95%
Stage #1: L-Norvaline With sodium hydroxide In 1,4-dioxane; water for 6h;
Stage #2: di-tert-butyl dicarbonate In 1,4-dioxane; water at 20℃; Cooling with ice;
69.42%
With sodium hydroxide In 1,4-dioxane at 20℃;
L-Norvaline
6600-40-4

L-Norvaline

benzyl alcohol
100-51-6

benzyl alcohol

L-norvaline benzyl ester p-toluenesulphonate

L-norvaline benzyl ester p-toluenesulphonate

Conditions
ConditionsYield
With toluene-4-sulfonic acid In benzene Heating / reflux;95%
ethanol
64-17-5

ethanol

L-Norvaline
6600-40-4

L-Norvaline

toluene-4-sulfonic acid
104-15-4

toluene-4-sulfonic acid

tosylate de L-norvalinate d'ethyle
440677-43-0

tosylate de L-norvalinate d'ethyle

Conditions
ConditionsYield
In benzene for 10h; Heating;94%
ferrocenecarboxaldehyde
12093-10-6

ferrocenecarboxaldehyde

L-Norvaline
6600-40-4

L-Norvaline

sodium hydroxide
1310-73-2

sodium hydroxide

sodium (S)-2-[(ferrocenylmethylidene)amino]pentanoate

sodium (S)-2-[(ferrocenylmethylidene)amino]pentanoate

Conditions
ConditionsYield
With molecular sieve In ethanol under N2; aq. NaOH added to amino acid, soln. stirred at room temp. for 5 min, soln. concd. under vac., residue dried at 60°C (vac., 16 h), molecular sieves (4 Angstroem), ferrocenecarboxaldehyde and EtOH added, mixt. stirred (room temp., 16 h); molecular sieves filtered off, filtrate concd. under vac., residue suspd. in pentane, solid filtered off, washed with pentane, dried under vac.;94%
L-Norvaline
6600-40-4

L-Norvaline

N-hydroxysuccinimide ester of 7-(1-carboxyethoxy)-4-phenylcoumarin
270596-10-6

N-hydroxysuccinimide ester of 7-(1-carboxyethoxy)-4-phenylcoumarin

2-[2-(2-oxo-4-phenyl-2H-chromen-7-yloxy)-propionylamino]-pentanoic acid

2-[2-(2-oxo-4-phenyl-2H-chromen-7-yloxy)-propionylamino]-pentanoic acid

Conditions
ConditionsYield
With sodium hydrogencarbonate In tetrahydrofuran; water at 20℃; for 1h; Condensation;90.9%
L-Norvaline
6600-40-4

L-Norvaline

acetic anhydride
108-24-7

acetic anhydride

N-Ac-Leu
1188-21-2

N-Ac-Leu

Conditions
ConditionsYield
at 0 - 20℃;89%
L-Norvaline
6600-40-4

L-Norvaline

n-decanoyl chloride
112-13-0

n-decanoyl chloride

(S)-2-decanamidopentanoic acid

(S)-2-decanamidopentanoic acid

Conditions
ConditionsYield
With sodium hydroxide In tetrahydrofuran at 0℃; for 1h;88.5%
With sodium hydroxide In tetrahydrofuran at 0℃; for 1h;88.5%
L-Norvaline
6600-40-4

L-Norvaline

(η6-p-cymene)Ru(acetylacetonate)chloride

(η6-p-cymene)Ru(acetylacetonate)chloride

C15H24ClNO2Ru

C15H24ClNO2Ru

Conditions
ConditionsYield
In methanol for 24h;88%
L-Norvaline
6600-40-4

L-Norvaline

C25H26N2O2
1445869-56-6

C25H26N2O2

nickel(II) acetate tetrahydrate
6018-89-9

nickel(II) acetate tetrahydrate

C30H33N3NiO3

C30H33N3NiO3

Conditions
ConditionsYield
With potassium carbonate In ethanol at 60 - 70℃; diastereoselective reaction;88%
L-Norvaline
6600-40-4

L-Norvaline

4-bromo-1-[(4-methylphenyl)sulfonyl]-1H-indole
90481-72-4

4-bromo-1-[(4-methylphenyl)sulfonyl]-1H-indole

(1-tosyl-1H-indol-4-yl)-L-norvaline

(1-tosyl-1H-indol-4-yl)-L-norvaline

Conditions
ConditionsYield
With copper(l) iodide; caesium carbonate In dimethyl sulfoxide at 90℃; Inert atmosphere;88%
L-Norvaline
6600-40-4

L-Norvaline

Cyclopentanol
96-41-3

Cyclopentanol

(S)-cyclopentyl 2-aminopentanoate hydrochloride

(S)-cyclopentyl 2-aminopentanoate hydrochloride

Conditions
ConditionsYield
Stage #1: L-Norvaline; Cyclopentanol at -5℃; for 0.166667h; Cooling with acetone-dry ice;
Stage #2: With thionyl chloride at 20 - 60℃; for 42h;
86%
L-Norvaline
6600-40-4

L-Norvaline

butan-1-ol
71-36-3

butan-1-ol

(S)-2-Amino-pentanoic acid butyl ester

(S)-2-Amino-pentanoic acid butyl ester

Conditions
ConditionsYield
With hydrogenchloride85%
With hydrogenchloride Heating;
L-Norvaline
6600-40-4

L-Norvaline

(S)-2,5-dioxopyrrolidin-1-yl 2-((tert-butoxycarbonyl)amino)butanoate
103290-07-9

(S)-2,5-dioxopyrrolidin-1-yl 2-((tert-butoxycarbonyl)amino)butanoate

(S)-2-((S)-2-(tert-butoxycarbonylamino)butanamido)pentanoic acid

(S)-2-((S)-2-(tert-butoxycarbonylamino)butanamido)pentanoic acid

Conditions
ConditionsYield
With sodium hydrogencarbonate In water; acetone at 20℃;84%
L-Norvaline
6600-40-4

L-Norvaline

2-(S)-hydroxyvaleric acid
41014-93-1

2-(S)-hydroxyvaleric acid

Conditions
ConditionsYield
With sulfuric acid; sodium nitrite In water at 0 - 5℃; for 1h;82%
With hydrogenchloride; acetic acid; sodium nitrite
With hydrogenchloride; silver(I) nitrite
With hydrogenchloride; acetic acid; sodium nitrite at 0 - 20℃;
With sulfuric acid; sodium nitrite In water at 0℃; for 2h;
L-Norvaline
6600-40-4

L-Norvaline

(2S)-2-chloropentanoic acid
32644-12-5

(2S)-2-chloropentanoic acid

Conditions
ConditionsYield
With hydrogenchloride; sodium nitrite In water at 0℃;82%
With hydrogenchloride; sodium nitrite at -5℃; for 15h;
potassium tetrachloroplatinate(II)
10025-99-7

potassium tetrachloroplatinate(II)

L-Norvaline
6600-40-4

L-Norvaline

trans-[PtCl2(L-norvaline)2]

trans-[PtCl2(L-norvaline)2]

Conditions
ConditionsYield
With hydrogenchloride In potassium hydroxide; water org. compd. dissoln. in aq. KOH soln., aq. Pt-salt soln. addn., ppt. filtration off, concd. HCl addn. to filtrate, mixt. boiling for ca. 5 min, pptn.; ppt. filtration off, washing (HCl 1:1), drying at 100°C; elem. anal.;80%
L-Norvaline
6600-40-4

L-Norvaline

tert-butyl N-tosyloxycarbamate
105838-14-0

tert-butyl N-tosyloxycarbamate

C10H20N2O4
1369519-86-7

C10H20N2O4

Conditions
ConditionsYield
With sodium carbonate In 1,4-dioxane; water at 20 - 25℃; for 3h;78%
L-Norvaline
6600-40-4

L-Norvaline

benzyl chloroformate
501-53-1

benzyl chloroformate

Z-L-norvaline
21691-44-1

Z-L-norvaline

Conditions
ConditionsYield
With sodium hydroxide77%
Stage #1: L-Norvaline; benzyl chloroformate With sodium hydrogencarbonate In water at 0 - 20℃; for 24.75h; Inert atmosphere;
Stage #2: With hydrogenchloride In water pH=1;
73%
With sodium hydroxide; sodium carbonate In water at 0 - 20℃;
With lithium hydroxide In water; toluene at 0 - 20℃; for 15h;
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