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Hangzhou Dingyan Chem Co., Ltd

Items Standard Result Appearance White powder Complies Assay 98.5%-101.5% 99.50

High purity L-Isoleucine with high quality and best price cas:73-32-5

Cas:73-32-5

Min.Order:1 Kilogram

FOB Price: $15.0 / 25.0

Type:Manufacturers

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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 L-Isoleucine supplier in China

Cas:73-32-5

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

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Kono Chem Co.,Ltd

Product Name: (2S,3S)-2-Amino-3-methylpentanoic acid Synonyms: (2S,3S)-2-Amino-3-methylpentansαure;(2s,3s)-alpha-amino-beta-merthylvalericacid;(2s,3… Certification: ISO, BRC, KOSHER, HALAL Applic

L-Isoleucine

Cas:73-32-5

Min.Order:1 Kilogram

FOB Price: $10.0

Type:Other

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Jinan Finer Chemical Co., Ltd

Product description: Product name L-Isoleucine CAS number 73-32-5 Assay ≥99% Appearance White solid Capacity 500mt/year Application Food additive More information

L-Isoleucine

Cas:73-32-5

Min.Order:10 Gram

FOB Price: $12.0

Type:Lab/Research institutions

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Hefei TNJ chemical industry co.,ltd

1.strict Quality control: Strictly in accordance with Chinese GMP(2010 version), guidelines issued by FDA,EDQM, and ICH relevant regulations, we have established a sound quality assurance system, implementing regular supervision and management in

(2S,3S)-2-Amino-3-methylpentanoic acid

Cas:73-32-5

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

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Xi'an Quanao Biotech Co., Ltd.

We are: Focus on the research, production and sale of Plant and Animal extract, Medical intermediate, complete coverage six industries. Product grade: Medicine, Health care product, Cosmetics, Food,Feed, Biopesticide. Hot selling market: Europe,

Food Grade L-Isoleucine CAS 73-32-5

Cas:73-32-5

Min.Order:1 Kilogram

FOB Price: $32.0 / 35.0

Type:Manufacturers

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Ality Chemical Corporation

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

Factory Supply L-Isoleucine

Cas:73-32-5

Min.Order:1

Negotiable

Type:Other

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Baoding Faithful Industry Co., Ltd.

Sales: 1.24hours to reply your E-mail 2.Market information trend share with customers Suggestion for purchase decision Reputation: 1.Implementing contract terms strictly 2.Timely solve any discrepancy or goods claims Take our responsibility for loss

Top Quality Nutrition Supplement Amino Acid Isoleucine 99%

Cas:73-32-5

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

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-Isoleucine 73-32-5 HACCP Manufacturer

Cas:73-32-5

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

inquiry

Chengdu Lemeitian Pharmaceutical Technology Co,. Ltd

ADVANTAGE: 1. More than 3,000 Chinese medicine reference substances / standard products available from stock, issued on the same day, multiple cities can be delivered the next day 2. The products are provided with COA, HPLC, NMR, quality assurance,

L-Isoleucine

Cas:73-32-5

Min.Order:10 Milligram

Negotiable

Type:Manufacturers

inquiry

COLORCOM LTD.

Colorcom is a global leader in industrial chemical manufacturing and is continuously innovating and transforming to exceed client expectations and industry standards. Colorcom prides itself on superior customer and technical focus, while focusing on

L-Isoleucine

Cas:73-32-5

Min.Order:1 Metric Ton

Negotiable

Type:Manufacturers

inquiry

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 s

L-Isoleucine

Cas:73-32-5

Min.Order:1 Kilogram

FOB Price: $5.0

Type:Lab/Research institutions

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-Isoleucine

Cas:73-32-5

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

Hebei yanxi chemical co.,LTD.

CHENGDU YANXI is a comprehensive manufacturer and an international distribution of products throughout the world. Specialized in Scrap metal, Chemical raw materials, Paper products and color industry. We aim to become leading position in global dis

L-Isoleucine MEIHUA Pharmaceutical Intermediates

Cas:73-32-5

Min.Order:1 Gram

FOB Price: $5.0 / 6.0

Type:Trading Company

inquiry

Hubei DiBo chemical co., LTD

Name:L-Lsoleucine CAS NO:73-32-5 Grade:Medical chemical industry, scientific research and export Product Quality 12 years of chemical raw materials Mature operation of the industry System stability Data storage Security without vulnerability

L-Lsoleucine CAS:73-32-5 Chinese manufacturers high-quality

Cas:73-32-5

Min.Order:25 Kilogram

FOB Price: $1.0 / 2.0

Type:Other

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

TIANFU-CHEM_(2S,3S)-2-Amino-3-methylpentanoic acid,cas:73-32-5

Cas:73-32-5

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Hebei Nengqian Chemical Import and Export Co., LTD

Our advantages: 1, High quality with competitive price: 1) Standard:BP/USP/EP/Enterprise standard 2) All Purity≥99% 3) We are manufacturer and can provide high quality products with factory price. 2, Fast and safe delivery 1) Parcel

Factory Supply Food Grade Raw Material CAS 73-32-5 L-Isoleucine/L Isoleucine

Cas:73-32-5

Min.Order:1 Kilogram

FOB Price: $20.0 / 50.0

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

Wholesale price CAS 73-32-5 with best price

Cas:73-32-5

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

inquiry

Henan Sinotech Import&Export Corporation

Product name L-Isoleucine Cas no. 73-32-5 Density 1.2930 (estimate) Melting point 288 °C (dec.) (lit.) Boiling point

L-Isoleucine CAS:73-32-5

Cas:73-32-5

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Other

inquiry

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-isoleucine manufacturer/supplier

Cas:73-32-5

Min.Order:1 Gram

Negotiable

Type:Trading Company

inquiry

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

(2S,3S)-2-Amino-3-methylpentanoic Acid For Food Additives

Cas:73-32-5

Min.Order:10 Gram

Negotiable

Type:Other

inquiry

Hangzhou Sartort Biopharma Co., Ltd

Appearance:White to off-white powder Storage:Store below +30°C. Package:25kg/drum Application:L-Isoleucine, also known as Isoleucine, is an amino acid that is an isomer of leucine. It is important in hemoglobin synthesis and regulation of blood sug

L-Isoleucine factory price

Cas:73-32-5

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Lab/Research institutions

inquiry

HANWAYS CHEMPHARM CO.,LIMITED

Hanways chempharm is a specialized company concentrating on the R&D, production, marketing and technical service of APIs and pharmaceutical intermediates. The marketing department is located in Wuhan. We have two GMP facilities in Hubei Pr

Factory Supply Food Grade Raw Material CAS 73-32-5 L-Isoleucine/L Isoleucine

Cas:73-32-5

Min.Order:1 Kilogram

FOB Price: $200.0 / 400.0

Type:Trading Company

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-Isoleucine 73-32-5

Cas:73-32-5

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 present

High purity amino acid Food Grade Raw material L-Isoleucine L Isoleucine 73-32-5

Cas:73-32-5

Min.Order:1 Kilogram

FOB Price: $45.0 / 50.0

Type:Trading Company

inquiry

Qingdao Beluga Import and Export Co., LTD

L-Isoleucine CAS:73-32-5 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-Isoleucine CAS:73-32-5

Cas:73-32-5

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

L-Isoleucine

Cas:73-32-5

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Hubei Jiutian Bio-medical Technology Co., Ltd

1,we produce and sell good chemicals around the world. 2,our success rate is about 95%. this means, if customer order is accepted, the probability that the customer will obtain the ordered substances, is 95%. 3,our staff consists of highly qualifie

L-Isoleucine CAS 73-32-5

Cas:73-32-5

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.:73-32-5

Cas:73-32-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Synthetic route

Poc-Ile-OH

Poc-Ile-OH

L-isoleucine
73-32-5

L-isoleucine

Conditions
ConditionsYield
With resin bound tetrathiomolybdate In methanol at 28℃; for 1.5h; ultrasonic bath;100%
Fmoc-Ile-OH
71989-23-6

Fmoc-Ile-OH

L-isoleucine
73-32-5

L-isoleucine

Conditions
ConditionsYield
With potassium fluoride; 18-crown-6 ether In N,N-dimethyl-formamide for 9h; Ambient temperature;98%
N-(tert-butyloxycarbonyl)-L-isoleucine
13139-16-7

N-(tert-butyloxycarbonyl)-L-isoleucine

L-isoleucine
73-32-5

L-isoleucine

Conditions
ConditionsYield
With tetradecyl(trihexyl)phosphonium bistriflamide; trifluoroacetic acid at 130℃; for 0.166667h; Ionic liquid;98%
With trifluoroacetic acid at 20℃; for 0.25h;
Boc-Ile-Merrifield resin

Boc-Ile-Merrifield resin

L-isoleucine
73-32-5

L-isoleucine

Conditions
ConditionsYield
With dimethyl ether-poly(hydrogen fluoride) at 0℃; for 1h;93%
(2S,3S)-3-Methyl-2-[2-methyl-2-(2-nitro-phenyl)-propionylamino]-pentanoic acid benzyl ester

(2S,3S)-3-Methyl-2-[2-methyl-2-(2-nitro-phenyl)-propionylamino]-pentanoic acid benzyl ester

A

3,3-dimethyloxindole
19155-24-9

3,3-dimethyloxindole

B

1,3-dihydro-3,3-dimethyl-1-hydroxy-H-indol-2-one
32353-29-0

1,3-dihydro-3,3-dimethyl-1-hydroxy-H-indol-2-one

C

L-isoleucine
73-32-5

L-isoleucine

Conditions
ConditionsYield
With hydrogen; acetic acid; palladium on activated charcoal In methanol for 0.5h;A n/a
B n/a
C 85%
(S)-4-((S)-sec-butyl)oxazolidine-2,5-dione
5860-63-9, 45895-88-3, 45895-89-4, 45895-90-7, 51829-75-5

(S)-4-((S)-sec-butyl)oxazolidine-2,5-dione

L-Glycin
56-40-6

L-Glycin

A

L-isoleucine
73-32-5

L-isoleucine

B

isoleucyl‐glycine
868-28-0

isoleucyl‐glycine

C

N-carbamoylglycine
462-60-2

N-carbamoylglycine

D

oligomers of ile

oligomers of ile

Conditions
ConditionsYield
With water; potassium hydroxide; potassium borate buffer at 3℃; Product distribution; effect of use of various amino acid and NCA with various concentrations; effect of use various temp.; extent of hydrolysis;A n/a
B 83.9%
C n/a
D n/a
C6H13NO2*H3N*ClH

C6H13NO2*H3N*ClH

L-isoleucine
73-32-5

L-isoleucine

Conditions
ConditionsYield
With ruthenium nanoparticles dispersed in a polyvinylpyrrolidone matrix; amberlyst A-21 In methanol; dichloromethane75%
(2S,3S)-3-methyl-2-ureidopentanoic acid
26117-19-1

(2S,3S)-3-methyl-2-ureidopentanoic acid

L-isoleucine
73-32-5

L-isoleucine

Conditions
ConditionsYield
With NH4Cl-NH4OH buffer pH 8.5; nickel dichloride at 60℃; for 24h; N-carbamyl-L-amino acid aminohydrolase;55%
With sodium phosphate buffer; N-carmamyl-L-amino acid aminohydrolase of Pseudomonas sp. strain NS671; water; manganese(II) at 30℃; for 0.5h; Product distribution;17.1 mmol
With Tris-HCl buffer; N-carbamoyl-L-amino acid hydrolase; iron(II) sulfate at 30℃; for 2h;
DL-α-keto-β-methyl-n-valerate

DL-α-keto-β-methyl-n-valerate

B

L-isoleucine
73-32-5

L-isoleucine

Conditions
ConditionsYield
With ammonium formate; tris hydrochloride; nicotinamide adenine dinucleotide; formate dehydrogenase; phenylalanine dehydrogenase In water at 30℃; for 24h;A 50%
B 48%
(2RS,3S)-2-amino-3-methylpentanoic acid

(2RS,3S)-2-amino-3-methylpentanoic acid

A

L-isoleucine
73-32-5

L-isoleucine

B

D-alloisoleucine
1509-35-9

D-alloisoleucine

Conditions
ConditionsYield
With C13H15NO5V(1-)*C16H36N(1+) In ethanol; waterA n/a
B 50%
With C13H15NO5V(1-)*C16H36N(1+) In ethanol; waterA 24%
B n/a
C7H16N2O*H(1+)

C7H16N2O*H(1+)

L-isoleucine
73-32-5

L-isoleucine

Conditions
ConditionsYield
With hydrogenchloride; Dowex 50W In toluene at 110℃;34%
D-glucose
50-99-7

D-glucose

L-isoleucine
73-32-5

L-isoleucine

Conditions
ConditionsYield
With Escherichia coli TVD5 at 37℃; for 24h; biotransformation; Microbiological reaction;25.5%
di-tert-butyl dicarbonate
24424-99-5

di-tert-butyl dicarbonate

N-chloro-(2S,3S)-amino-3-methyl-pentanoic acid ethyl ester
77120-55-9

N-chloro-(2S,3S)-amino-3-methyl-pentanoic acid ethyl ester

A

L-isoleucine
73-32-5

L-isoleucine

B

(2S,3S)-1-tert-butyl 2-ethyl 3-methyl-pyrrolidine-1,2-dicarboxylate
411225-57-5

(2S,3S)-1-tert-butyl 2-ethyl 3-methyl-pyrrolidine-1,2-dicarboxylate

Conditions
ConditionsYield
Stage #1: N-chloro-(2S,3S)-amino-3-methyl-pentanoic acid ethyl ester With sulfuric acid at 3 - 9℃; for 3h; UV-irradiation;
Stage #2: di-tert-butyl dicarbonate With potassium carbonate In 1,4-dioxane; water at 0 - 20℃; Further stages.;
A n/a
B 25%
hydrogen cyanide
74-90-8

hydrogen cyanide

(S)-2-methylbutyraldehyde
1730-97-8

(S)-2-methylbutyraldehyde

A

L-isoleucine
73-32-5

L-isoleucine

B

D-alloisoleucine
1509-35-9

D-alloisoleucine

Conditions
ConditionsYield
With ammonia durch Verseifung des entstandenen Aminonitrils mit Salzsaeure;
Conditions
ConditionsYield
durch gaerende Hefe;
With D-amino acid oxide ase-substances Durch selektiven Abbau;
Conditions
ConditionsYield
fuehrt man dieses in Formyl-dl-isoleucin ueber und zerlegt letzteres in konz. alkoh. Loesung durch Brucin in die aktiven Komponenten;
N-formyl-L-isoleucine
4101-35-3, 89810-44-6

N-formyl-L-isoleucine

L-isoleucine
73-32-5

L-isoleucine

Conditions
ConditionsYield
With hydrogen bromide
N-chloroacetyl-isoleucine
1115-24-8, 67253-30-9

N-chloroacetyl-isoleucine

L-isoleucine
73-32-5

L-isoleucine

Conditions
ConditionsYield
With acylase-I-substances Hydrolysis;
N-chloroacetyl-DL-isoleucine
1115-24-8, 67253-30-9

N-chloroacetyl-DL-isoleucine

A

L-isoleucine
73-32-5

L-isoleucine

B

N-chloroacetyl-D-isoleucine
907582-60-9

N-chloroacetyl-D-isoleucine

Conditions
ConditionsYield
bei der Einwirkung von Acylase-I-Praeparaten aus Schweinenieren;
N-isobutyryl-L-isoleucine anilide

N-isobutyryl-L-isoleucine anilide

L-isoleucine
73-32-5

L-isoleucine

Conditions
ConditionsYield
With hydrogenchloride
D-Glucose
2280-44-6

D-Glucose

A

L-isoleucine
73-32-5

L-isoleucine

B

L-glutamic acid
56-86-0

L-glutamic acid

C

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

L-Lysine hydrochloride

D

L-tyrosine
60-18-4

L-tyrosine

Conditions
ConditionsYield
at 30℃; for 72h; Brevibacterium flavum, mutant strain AH-198, soybean-meal hydrolysate, (NH4)2SO4; Yield given. Further byproducts given. Yields of byproduct given;
(S)-1-phenyl-ethylamine
2627-86-3

(S)-1-phenyl-ethylamine

2-methyl-4-sec-butylidene-5-oxazolone

2-methyl-4-sec-butylidene-5-oxazolone

A

D-allo-isoleucine
1509-34-8

D-allo-isoleucine

B

L-isoleucine
73-32-5

L-isoleucine

C

D-Isoleucine
319-78-8

D-Isoleucine

D

D-alloisoleucine
1509-35-9

D-alloisoleucine

Conditions
ConditionsYield
Product distribution; Rate constant; multistep reaction;
(2S,3S)-2-Amino-1-((1R,5S,7S)-10,10-dimethyl-3,3-dioxo-3λ6-thia-4-aza-tricyclo[5.2.1.01,5]dec-4-yl)-3-methyl-pentan-1-one
129505-17-5

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

L-isoleucine
73-32-5

L-isoleucine

Conditions
ConditionsYield
With lithium hydroxide; ion exchange 1.) THF; Yield given. Multistep reaction;
carbon monoxide
201230-82-2

carbon monoxide

A

L-serin
56-45-1

L-serin

B

L-threonine
72-19-5

L-threonine

C

L-isoleucine
73-32-5

L-isoleucine

D

L-Aspartic acid
56-84-8

L-Aspartic acid

Conditions
ConditionsYield
With sodium molybdate; ammonium iron (II) sulfate; water; sodium carbonate; ammonium chloride; calcium chloride; magnesium chloride; zinc(II) chloride for 5h; Ambient temperature; Irradiation; pH=7.0; Further byproducts given;
(2S,3S)-2-{[1-(3-Hydroxy-2-methyl-5-phosphonooxymethyl-pyridin-4-yl)-meth-(Z)-ylidene]-amino}-3-methyl-pentanoic acid
80995-96-6

(2S,3S)-2-{[1-(3-Hydroxy-2-methyl-5-phosphonooxymethyl-pyridin-4-yl)-meth-(Z)-ylidene]-amino}-3-methyl-pentanoic acid

A

L-isoleucine
73-32-5

L-isoleucine

B

pyridoxal 5'-phosphate
54-47-7

pyridoxal 5'-phosphate

Conditions
ConditionsYield
In water at 25℃; Equilibrium constant; Mechanism; over a wide pH range;
With phosphate buffer; Carbonate buffer at 25℃; Equilibrium constant; var. pH;
(2S,3R)-2-Azido-3-methyl-pentanoic acid (1R,2S,4S)-1-[(dicyclohexylsulfamoyl)-methyl]-7,7-dimethyl-bicyclo[2.2.1]hept-2-yl ester
106749-12-6

(2S,3R)-2-Azido-3-methyl-pentanoic acid (1R,2S,4S)-1-[(dicyclohexylsulfamoyl)-methyl]-7,7-dimethyl-bicyclo[2.2.1]hept-2-yl ester

A

D-allo-isoleucine
1509-34-8

D-allo-isoleucine

B

L-isoleucine
73-32-5

L-isoleucine

C

D-Isoleucine
319-78-8

D-Isoleucine

D

D-alloisoleucine
1509-35-9

D-alloisoleucine

Conditions
ConditionsYield
With titanium tetrakis(benzyl alkoxide); hydrogen; Pd-BaSO4 1.) benzyl alcohol, 130 gradC 2.) EtOH, EtOAc, 1 atm, r.t.; Yield given. Multistep reaction. Title compound not separated from byproducts;
N-(S)-2-methylbutylformamide
27395-04-6, 114284-90-1, 114284-91-2

N-(S)-2-methylbutylformamide

A

L-isoleucine
73-32-5

L-isoleucine

B

D-alloisoleucine
1509-35-9

D-alloisoleucine

Conditions
ConditionsYield
With hydrogenchloride; Dowex 50(H+) at 100 - 110℃; for 24h; Yield given. Yields of byproduct given. Title compound not separated from byproducts;
N-((S)-1-Cyano-2-methyl-butyl)-acetamide
114284-92-3, 114284-93-4

N-((S)-1-Cyano-2-methyl-butyl)-acetamide

A

L-isoleucine
73-32-5

L-isoleucine

B

D-alloisoleucine
1509-35-9

D-alloisoleucine

Conditions
ConditionsYield
With hydrogenchloride; Dowex 50(H+) at 100 - 110℃; for 24h; Yield given. Yields of byproduct given. Title compound not separated from byproducts;
((S)-1-Cyano-2-methyl-butyl)-carbamic acid methyl ester

((S)-1-Cyano-2-methyl-butyl)-carbamic acid methyl ester

A

L-isoleucine
73-32-5

L-isoleucine

B

D-alloisoleucine
1509-35-9

D-alloisoleucine

Conditions
ConditionsYield
With hydrogenchloride; Dowex 50(H+) at 100 - 110℃; for 24h; Yield given. Yields of byproduct given. Title compound not separated from byproducts;
methanol
67-56-1

methanol

L-isoleucine
73-32-5

L-isoleucine

L-isoleucine methyl ester
2577-46-0

L-isoleucine methyl ester

Conditions
ConditionsYield
Stage #1: methanol With thionyl chloride at -15 - 0℃; for 1h;
Stage #2: L-isoleucine for 3h; Reflux;
100%
With hydrogenchloride96%
With thionyl chloride at 0℃; for 12h; Reflux;95%
ethanol
64-17-5

ethanol

L-isoleucine
73-32-5

L-isoleucine

L-isoleucine ethyl ester
921-74-4

L-isoleucine ethyl ester

Conditions
ConditionsYield
With thionyl chloride for 38h; Heating;100%
With thionyl chloride100%
With thionyl chloride for 10h; Heating;65%
L-isoleucine
73-32-5

L-isoleucine

di-tert-butyl dicarbonate
24424-99-5

di-tert-butyl dicarbonate

N-(tert-butyloxycarbonyl)-L-isoleucine
13139-16-7

N-(tert-butyloxycarbonyl)-L-isoleucine

Conditions
ConditionsYield
With sodium hydroxide In 1,4-dioxane; water at 20℃; for 24h;100%
Stage #1: L-isoleucine With sodium hydroxide In 1,4-dioxane; water at 0℃;
Stage #2: di-tert-butyl dicarbonate In 1,4-dioxane; water at 0 - 20℃;
100%
With sodium hydroxide In 1,4-dioxane; water at 0℃;100%
phthalic anhydride
85-44-9

phthalic anhydride

L-isoleucine
73-32-5

L-isoleucine

N-phthaloyl-L-isoleucine
29588-88-3

N-phthaloyl-L-isoleucine

Conditions
ConditionsYield
at 135℃;100%
at 140℃; for 0.166667h;99%
With triethylamine Inert atmosphere;98%
L-isoleucine
73-32-5

L-isoleucine

benzyl chloroformate
501-53-1

benzyl chloroformate

N-Cbz-L-Isoleucine
3160-59-6

N-Cbz-L-Isoleucine

Conditions
ConditionsYield
With sodium hydroxide In water at 0 - 20℃;100%
With sodium hydroxide In 1,4-dioxane; toluene at 0℃;97%
With water; sodium hydrogencarbonate; sodium carbonate In acetone at 15 - 20℃; pH=8 - 10;95%
L-isoleucine
73-32-5

L-isoleucine

1,4,5,8-naphthalenetetracarboxylic dianhydride
81-30-1

1,4,5,8-naphthalenetetracarboxylic dianhydride

2,2'-(1,3,6,8-tetraoxo-1,3,6,8-tetrahydrobenzo[lmn][3,8]phenanthroline-2,7-diyl)bis(3-methylpentanoic acid)
1313710-81-4

2,2'-(1,3,6,8-tetraoxo-1,3,6,8-tetrahydrobenzo[lmn][3,8]phenanthroline-2,7-diyl)bis(3-methylpentanoic acid)

Conditions
ConditionsYield
In N,N-dimethyl-formamide at 110℃; for 24h;100%
With acetic acid for 36h; Reflux;89%
5-phenylisoxazole-3-carbaldehyde
59985-82-9

5-phenylisoxazole-3-carbaldehyde

L-isoleucine
73-32-5

L-isoleucine

C16H17N2O3(1-)*Li(1+)

C16H17N2O3(1-)*Li(1+)

Conditions
ConditionsYield
With lithium hydride In methanol Reflux;100%
5-phenylisoxazole-3-carbaldehyde
59985-82-9

5-phenylisoxazole-3-carbaldehyde

L-isoleucine
73-32-5

L-isoleucine

Na(1+)*C16H17N2O3(1-)

Na(1+)*C16H17N2O3(1-)

Conditions
ConditionsYield
With sodium methylate In methanol Reflux;100%
5-phenylisoxazole-3-carbaldehyde
59985-82-9

5-phenylisoxazole-3-carbaldehyde

L-isoleucine
73-32-5

L-isoleucine

Cs(1+)*C16H17N2O3(1-)

Cs(1+)*C16H17N2O3(1-)

Conditions
ConditionsYield
With caesium carbonate In methanol Reflux;100%
5-phenylisoxazole-3-carbaldehyde
59985-82-9

5-phenylisoxazole-3-carbaldehyde

L-isoleucine
73-32-5

L-isoleucine

Ca(2+)*2C16H17N2O3(1-)

Ca(2+)*2C16H17N2O3(1-)

Conditions
ConditionsYield
With calcium hydride In methanol Reflux;100%
L-isoleucine
73-32-5

L-isoleucine

5-(4-methylphenyl)-1,2-oxazole-3-carbaldehyde
640292-02-0

5-(4-methylphenyl)-1,2-oxazole-3-carbaldehyde

C17H19N2O3(1-)*Li(1+)

C17H19N2O3(1-)*Li(1+)

Conditions
ConditionsYield
With lithium hydride In methanol Reflux;100%
L-isoleucine
73-32-5

L-isoleucine

5-(4-methylphenyl)-1,2-oxazole-3-carbaldehyde
640292-02-0

5-(4-methylphenyl)-1,2-oxazole-3-carbaldehyde

C17H19N2O3(1-)*Na(1+)

C17H19N2O3(1-)*Na(1+)

Conditions
ConditionsYield
With sodium methylate In methanol Reflux;100%
L-isoleucine
73-32-5

L-isoleucine

5-(4-methylphenyl)-1,2-oxazole-3-carbaldehyde
640292-02-0

5-(4-methylphenyl)-1,2-oxazole-3-carbaldehyde

C17H19N2O3(1-)*Cs(1+)

C17H19N2O3(1-)*Cs(1+)

Conditions
ConditionsYield
With caesium carbonate In methanol Reflux;100%
L-isoleucine
73-32-5

L-isoleucine

5-(4-methylphenyl)-1,2-oxazole-3-carbaldehyde
640292-02-0

5-(4-methylphenyl)-1,2-oxazole-3-carbaldehyde

2C17H19N2O3(1-)*Ca(2+)

2C17H19N2O3(1-)*Ca(2+)

Conditions
ConditionsYield
With calcium hydride In methanol Reflux;100%
L-isoleucine
73-32-5

L-isoleucine

bis(trichloromethyl) carbonate
32315-10-9

bis(trichloromethyl) carbonate

(S)-4-((S)-sec-butyl)oxazolidine-2,5-dione
5860-63-9, 45895-88-3, 45895-89-4, 45895-90-7, 51829-75-5

(S)-4-((S)-sec-butyl)oxazolidine-2,5-dione

Conditions
ConditionsYield
In tetrahydrofuran at 50℃; for 4.5h; Inert atmosphere;100%
nicotinic acid
59-67-6

nicotinic acid

L-isoleucine
73-32-5

L-isoleucine

(1S,2S)-1-carboxy-2-methylbutan-1-aminium nicotinate

(1S,2S)-1-carboxy-2-methylbutan-1-aminium nicotinate

Conditions
ConditionsYield
In water for 0.166667h; pH=Ca. 2.3 - 3.3; Cooling with ice;100%
methanol
67-56-1

methanol

L-isoleucine
73-32-5

L-isoleucine

methyl L-isoleucinate hydrochloride
18598-74-8

methyl L-isoleucinate hydrochloride

Conditions
ConditionsYield
With acetyl chloride for 18h; Reflux;99%
With hydrogenchloride Ambient temperature;98%
Stage #1: methanol With thionyl chloride at 0℃; for 0.5h;
Stage #2: L-isoleucine In methanol at 0℃;
97.5%
L-isoleucine
73-32-5

L-isoleucine

Conditions
ConditionsYield
With sulfuric acid; sodium nitrite In water at 0 - 20℃;99%
With sulfuric acid; sodium nitrite at 0 - 20℃; for 18h;92%
With sulfuric acid; water; sodium nitrite at 60℃; Flow reactor;92%
L-isoleucine
73-32-5

L-isoleucine

(2S,3S)-2-azido-3-methylpentanoic acid
159407-40-6

(2S,3S)-2-azido-3-methylpentanoic acid

Conditions
ConditionsYield
With sodium azide; copper(ll) sulfate pentahydrate; trifluoromethylsulfonic anhydride; potassium carbonate In methanol; dichloromethane; water at 0 - 20℃; for 16h;99%
With sodium azide; trifluoromethylsulfonic anhydride; copper sulfate pentahydrate; potassium carbonate In dichloromethane; water at 20℃; for 16h;99%
With sodium azide; copper(ll) sulfate pentahydrate; trifluoromethylsulfonic anhydride; potassium carbonate In dichloromethane; water at 0 - 20℃; for 16h;99%
L-isoleucine
73-32-5

L-isoleucine

4-(phenylacetoxy)benzyl-L-phenylalanine
192999-60-3

4-(phenylacetoxy)benzyl-L-phenylalanine

4-(phenylacetoxy)benzyl-Phe-Ile-OH

4-(phenylacetoxy)benzyl-Phe-Ile-OH

Conditions
ConditionsYield
With HEPES-buffer; calcium chloride; thermolysin In ethyl acetate at 40℃; for 48h; pH=6.5;99%
L-isoleucine
73-32-5

L-isoleucine

tert-butyloxycarbonyl-L-alanine p-nitrophenyl ester
2483-49-0

tert-butyloxycarbonyl-L-alanine p-nitrophenyl ester

Boc-Ala-Ile-OH
70396-21-3

Boc-Ala-Ile-OH

Conditions
ConditionsYield
Stage #1: L-isoleucine With calcium hydroxide In water at 20℃;
Stage #2: tert-butyloxycarbonyl-L-alanine p-nitrophenyl ester In N,N-dimethyl-formamide at 25℃; for 24h;
99%
L-leucine
61-90-5

L-leucine

L-isoleucine
73-32-5

L-isoleucine

malonic acid
141-82-2

malonic acid

L-valinal
98137-41-8

L-valinal

Fmoc-Asn(PG)-OH

Fmoc-Asn(PG)-OH

Fmoc-Ser(PG)-OH

Fmoc-Ser(PG)-OH

Fmoc-Lys(PG)-OH

Fmoc-Lys(PG)-OH

Fmoc-Asp(PG)-OH

Fmoc-Asp(PG)-OH

(Ac)-NSLKIDNLDV-CONH2
1571091-79-6

(Ac)-NSLKIDNLDV-CONH2

Conditions
ConditionsYield
Stage #1: L-valinal With benzotriazol-1-ol; O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide
Stage #2: With piperidine for 0.333333h; Microwave irradiation;
Stage #3: L-leucine; L-isoleucine; malonic acid; Fmoc-Asn(PG)-OH; Fmoc-Ser(PG)-OH; Fmoc-Lys(PG)-OH; Fmoc-Asp(PG)-OH Further stages;
99%
L-isoleucine
73-32-5

L-isoleucine

triflic azide
3855-45-6

triflic azide

(2S,3S)-2-azido-3-methylpentanoic acid
159407-40-6

(2S,3S)-2-azido-3-methylpentanoic acid

Conditions
ConditionsYield
With copper(ll) sulfate pentahydrate; potassium carbonate In methanol; water at 20℃; for 16h;99%
With copper(ll) sulfate pentahydrate; potassium carbonate In methanol; dichloromethane; water at 20℃;75%
pyridine-4-carbaldehyde
872-85-5

pyridine-4-carbaldehyde

L-isoleucine
73-32-5

L-isoleucine

C12H18N2O2

C12H18N2O2

Conditions
ConditionsYield
Stage #1: pyridine-4-carbaldehyde; L-isoleucine With sodium carbonate In water at 60℃; for 3h;
Stage #2: With sodium tetrahydroborate In water at 0℃;
98.15%
L-isoleucine
73-32-5

L-isoleucine

p-toluenesulfonyl chloride
98-59-9

p-toluenesulfonyl chloride

3-methyl-2-{[(4-methylphenyl)sulfonyl]amino}pentanoic acid
34235-81-9

3-methyl-2-{[(4-methylphenyl)sulfonyl]amino}pentanoic acid

Conditions
ConditionsYield
In water at 110℃; for 0.0833333h; Microwave irradiation; Green chemistry; chemoselective reaction;98%
With sodium carbonate In water for 5h;95.74%
With sodium carbonate In water for 4h;95.74%
L-isoleucine
73-32-5

L-isoleucine

4-(phenylacetoxy)benzyl-L-methionine
448211-74-3

4-(phenylacetoxy)benzyl-L-methionine

4-(phenylacetoxy)benzyl-Met-Ile-OH

4-(phenylacetoxy)benzyl-Met-Ile-OH

Conditions
ConditionsYield
With HEPES-buffer; calcium chloride; thermolysin In ethyl acetate at 40℃; for 24h; pH=6.5;98%
L-isoleucine
73-32-5

L-isoleucine

(+)-(S)-2-methylbutane nitrile
25570-03-0

(+)-(S)-2-methylbutane nitrile

Conditions
ConditionsYield
With sodium hydroxide; trichloroisocyanuric acid at 25℃; for 0.5h;98%
With trichloroisocyanuric acid; sodium hydrogencarbonate In water at 5 - 15℃; for 3.25h;93.2%
With ammonium bromide In methanol; water Electrochemical reaction;86%
3,5-dioxopiperidine-1-carboxylic acid 9H-fluoren-9-ylmethyl ester

3,5-dioxopiperidine-1-carboxylic acid 9H-fluoren-9-ylmethyl ester

L-isoleucine
73-32-5

L-isoleucine

5-(1-carboxy-2-methyl-butylamino)-3-oxo-3,6-dihydro-2H-pyridine-1-carboxylic acid 9H-fluoren-9-ylmethyl ester
811450-60-9

5-(1-carboxy-2-methyl-butylamino)-3-oxo-3,6-dihydro-2H-pyridine-1-carboxylic acid 9H-fluoren-9-ylmethyl ester

Conditions
ConditionsYield
In methanol at 60℃;98%
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