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inquiryHenan 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
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inquiryCompany 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
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J&H CHEM R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. J&H CHEM has some Manufacturing base in Jia
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inquiryMassive Chemical is certified with ISO9001 and ISO14001 manufacturer for this product. We will offer all documents as requirement for the materials which includes, Certificate of Analysis, Material Safety Data Sheet, and Method of Analysis and
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inquiryAppearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea
High quality,stable supply chain.Appearance:white/off-white or light yellow Storage:Store in cool and dry place, keep away from strong light and heat. Package:aluminum bottle,glass bottle,PTFE bottle,cardboard drum Application:This product can be use
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inquiryProduct name: Lmur2-methylphenylalanine. Synonym:2-METHYL-L-PHENYLALANINE;L-2-METHYLPHE;L-2-METHYLPHENYLALANINE;H-PHE(2-ME)-OH;H-O-ME-PHE-OH;(2S)-2-aminoChemicalbook-3-(2-methylphenyl)propanoicacid;L-2-Me-Phe-OH;2-Methylphenyl-L-alanine CAS No:
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inquiryHigh purity, high success rate, short cycle and moderate priceAppearance:White powder solid Storage:Negative 20 degrees Celsius Package:5mg, 10mg 100mg, 1gram Application:Applied to various scientific research
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inquiryhigh purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air Port:Beijing or Guangzhou
high purity,in stock Package:25kg/drum,or as per customers'demand Application:API,or Intermediates,fine chemicals Transportation:air,sea,courier
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inquiryAcmec is a leading manufacturer and supplier of biochemical reagents and life science products. We have over 40,000 items in stock (real-time inventory) and offer discounted prices to registered members of the online store ( www.acmec.com.cn ) Appea
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Ansciep Chemical is a professional enterprise manufacturing and distributing fine chemicals and speciality chemicals. We have been dedicated to heterocycle compounds and phenyl rings for tens of years. This is our mature product for export. Our quali
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inquiryhigh purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:Foil bag; Drum; Plastic bottle Application:Pharma;Industry;Agricultural Transportation:by courier/air/sea Port:Any port of China
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inquiryWe are committed to providing our customers with the best products and services at the most competitive prices.Appearance:white solid Storage:Room temperature with sealed well Package:according to the clients requirement Application:Use as primary an
2-Methylphenyl-L-alanine cas 80126-53-0Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express
Best quality with low price Storage:ln stock Package:25kg/Barrel Application:Chemicals Transportation:Express/Sea/Air Port:Shanghai
We product this chemical more than 10 years . We are very experience to export it to many countries, Our superior & stable quality , competitive price gain warm reception from our customers.Appearance:Off white to white powder Application:Food addi
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inquiry(S)-2-amino-3-(o-tolyl)propanoic acid
Conditions | Yield |
---|---|
With L-glutamic acid; pyridoxal 5'-phosphate In water at 40℃; for 12h; E.coli Aspartate transaminase, pH 8; | 30% |
(E)-3-(2-methylphenyl)acrylic acid
(S)-2-amino-3-(o-tolyl)propanoic acid
Conditions | Yield |
---|---|
With carbon dioxide; Taxus chinensis phenylalanine aminomutase; ammonia In water pH=10; Kinetics; Enzymatic reaction; optical yield given as %ee; enantioselective reaction; | |
With ammonia at 30℃; for 17h; pH=10; Time; Reagent/catalyst; | n/a |
2-([(18)F]-fluoromethyl)-L-phenylalanine
(S)-2-amino-3-(o-tolyl)propanoic acid
Conditions | Yield |
---|---|
With water at 50℃; pH=7; |
2-methylcinnamic acid
A
(S)-3-amino-3-(2-methylphenyl)propionic acid
B
(S)-2-amino-3-(o-tolyl)propanoic acid
Conditions | Yield |
---|---|
With ammonium bisulphate; EncP-E293M variant at 55℃; for 22h; pH=8.3; Enzymatic reaction; stereoselective reaction; | A n/a B n/a |
2-methylcinnamic acid
B
(S)-3-amino-3-(2-methylphenyl)propionic acid
C
(S)-2-amino-3-(o-tolyl)propanoic acid
Conditions | Yield |
---|---|
With ammonium bisulphate; EncP wild type enzyme at 55℃; for 22h; pH=8.3; Enzymatic reaction; stereoselective reaction; | A n/a B n/a C n/a |
3-amino-3-(2-methylphenyl)propanoic acid
B
(E)-3-(2-methylphenyl)acrylic acid
C
(S)-2-amino-3-(o-tolyl)propanoic acid
Conditions | Yield |
---|---|
With phenylalanine ammonia α-lyase from Anabaena variabilis; phenylalanine ammonia lyase from Streptomyces maritimus In aq. buffer at 30℃; for 24h; pH=8; Reagent/catalyst; Resolution of racemate; Enzymatic reaction; enantioselective reaction; |
(E)-3-(2-methylphenyl)acrylic acid
A
(S)-2-amino-3-(o-tolyl)propanoic acid
Conditions | Yield |
---|---|
Stage #1: (E)-3-(2-methylphenyl)acrylic acid With ammonium hydroxide; phenylalanine ammonia-lyase from Anabaena variabilis N347A mutant In aq. buffer at 35℃; for 12h; pH=8.5; Stage #2: With borane-ammonia complex; L-amino acid deaminase from Proteus mirabilis In aq. buffer at 35℃; for 12h; pH=8.5; stereoselective reaction; | A n/a B n/a |
2-amino-3-(2-methylphenyl)propanoic acid
(S)-2-amino-3-(o-tolyl)propanoic acid
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: phenylalanine ammonia-lyase from Pseudozyma antarctica yeast / aq. buffer / 168 h / 30 °C / pH 8.5 / Resolution of racemate 2: ammonia / 17 h / 30 °C / pH 10 View Scheme |
di-tert-butyl dicarbonate
(S)-2-amino-3-(o-tolyl)propanoic acid
Nα-tert-butyloxycarbonyl-2'-methyl-L-phenylalanine
Conditions | Yield |
---|---|
With triethylamine In 1,4-dioxane; water at 20℃; for 2h; | 89.2% |
1,10-Phenanthroline
(S)-2-amino-3-(o-tolyl)propanoic acid
Conditions | Yield |
---|---|
With NaOH; HCl In hydrogenchloride; methanol addn. of 2 equiv. aminoacid to PdCl2 (in 1 M HCl), pH-adjustment to 6-7 (aq. NaOH), addn. of 1 equiv. phenanthroline (in aq. MeOH), stirring at 40°C overnight, pptn. on addn. of aq. NaClO4; | 89% |
1,10-Phenanthroline
(S)-2-amino-3-(o-tolyl)propanoic acid
Conditions | Yield |
---|---|
With NaOH In methanol; water addn. of 1 equiv. aminoacid (in 1 M NaOH) to equimolar mixt. of Cu-salt and phenanthroline (in 50% aq. MeOH), stirring at room temp. to dissoln.; crystn., collection, recrystn. (aq. MeOH); elem. anal.; | 86% |
(S)-2-amino-3-(o-tolyl)propanoic acid
Conditions | Yield |
---|---|
With D-glucose; nicotinamide adenine dinucleotide phosphate; ammonium chloride In aq. buffer at 20℃; for 24h; pH=9; Microbiological reaction; enantioselective reaction; | 83% |
With D-glucose; D-amino acid aminotransferase from Bacillus sp mutant T242G; L-aminoacid deaminase from Proteus mirabilis In aq. phosphate buffer at 37℃; for 4h; pH=8; Enzymatic reaction; enantioselective reaction; | n/a |
potassium cyanate
(S)-2-amino-3-(o-tolyl)propanoic acid
Conditions | Yield |
---|---|
With hydrogenchloride In water for 5h; Reflux; | 67% |
(S)-2-amino-3-(o-tolyl)propanoic acid
Conditions | Yield |
---|---|
With phenylalanine aminomutase at 31℃; for 2h; Enzyme kinetics; |
(S)-2-amino-3-(o-tolyl)propanoic acid
Nα-tert-butyloxycarbonyl-2'-methyl-L-phenylalanyl-L-phenylalanylamide
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 89.2 percent / triethylamine / dioxane; H2O / 2 h / 20 °C 2: 97 percent / diisopropylethylamine; benzotriazol-1-yloxytrispyrrolidinophosphonium*PF6 / dimethylformamide / 4 h / 20 °C View Scheme |
(S)-2-amino-3-(o-tolyl)propanoic acid
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 89.2 percent / triethylamine / dioxane; H2O / 2 h / 20 °C 2: 97 percent / diisopropylethylamine; benzotriazol-1-yloxytrispyrrolidinophosphonium*PF6 / dimethylformamide / 4 h / 20 °C 3: HCl / dioxane / 0.5 h / 20 °C View Scheme |
(S)-2-amino-3-(o-tolyl)propanoic acid
Nα-tert-butyloxycarbonyl-L-tyrosyl-L-prolyl-2'-methyl-L-phenylalanyl-L-phenylalanylamide
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: 89.2 percent / triethylamine / dioxane; H2O / 2 h / 20 °C 2: 97 percent / diisopropylethylamine; benzotriazol-1-yloxytrispyrrolidinophosphonium*PF6 / dimethylformamide / 4 h / 20 °C 3: HCl / dioxane / 0.5 h / 20 °C 4: 289 mg / diisopropylethylamine; benzotriazol-1-yloxytrispyrrolidinophosphonium*PF6 / dimethylformamide / 4 h / 20 °C View Scheme |
(S)-2-amino-3-(o-tolyl)propanoic acid
Nα-tert-butyloxycarbonyl-2',6'-dimethyl-L-tyrosyl-L-prolyl-2'-methyl-L-phenylalanyl-L-phenylalanylamide
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: 89.2 percent / triethylamine / dioxane; H2O / 2 h / 20 °C 2: 97 percent / diisopropylethylamine; benzotriazol-1-yloxytrispyrrolidinophosphonium*PF6 / dimethylformamide / 4 h / 20 °C 3: HCl / dioxane / 0.5 h / 20 °C 4: 266 mg / diisopropylethylamine; benzotriazol-1-yloxytrispyrrolidinophosphonium*PF6 / dimethylformamide / 4 h / 20 °C View Scheme |
(S)-2-amino-3-(o-tolyl)propanoic acid
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1: 89.2 percent / triethylamine / dioxane; H2O / 2 h / 20 °C 2: 97 percent / diisopropylethylamine; benzotriazol-1-yloxytrispyrrolidinophosphonium*PF6 / dimethylformamide / 4 h / 20 °C 3: HCl / dioxane / 0.5 h / 20 °C 4: 289 mg / diisopropylethylamine; benzotriazol-1-yloxytrispyrrolidinophosphonium*PF6 / dimethylformamide / 4 h / 20 °C 5: trifluoroacetic acid; anisole / 1 h / 20 °C View Scheme |
(S)-2-amino-3-(o-tolyl)propanoic acid
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1: 89.2 percent / triethylamine / dioxane; H2O / 2 h / 20 °C 2: 97 percent / diisopropylethylamine; benzotriazol-1-yloxytrispyrrolidinophosphonium*PF6 / dimethylformamide / 4 h / 20 °C 3: HCl / dioxane / 0.5 h / 20 °C 4: 266 mg / diisopropylethylamine; benzotriazol-1-yloxytrispyrrolidinophosphonium*PF6 / dimethylformamide / 4 h / 20 °C 5: trifluoroacetic acid; anisole / 1 h / 20 °C View Scheme |
(S)-2-amino-3-(o-tolyl)propanoic acid
Conditions | Yield |
---|---|
With NaOH; HCl In hydrogenchloride addn. of 2 equiv. ligand to PdCl2, pH-adjustment to 6-7 (aq. NaOH); |
(S)-2-amino-3-(o-tolyl)propanoic acid
(E)-3-(2-methylphenyl)acrylic acid
Conditions | Yield |
---|---|
With Taxus phenylalanine aminomutase at 31℃; for 1h; Kinetics; Enzymatic reaction; |
(S)-2-amino-3-(o-tolyl)propanoic acid
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: hydrogenchloride / water / 5 h / Reflux 2: potassium carbonate / N,N-dimethyl-formamide / 12 h / 20 °C View Scheme |
acetic acid tert-butyl ester
(S)-2-amino-3-(o-tolyl)propanoic acid
Conditions | Yield |
---|---|
With perchloric acid In water at 20 - 30℃; for 16h; Inert atmosphere; |
Conditions | Yield |
---|---|
With thionyl chloride at 0 - 75℃; for 3h; |
(S)-2-amino-3-(o-tolyl)propanoic acid
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1.1: thionyl chloride / 3 h / 0 - 75 °C 2.1: triethylamine / dichloromethane / 0 - 20 °C 3.1: lithium diisopropyl amide / tetrahydrofuran / 0.17 h / -78 - -70 °C 3.2: -78 - -65 °C 4.1: sodium tetrahydroborate View Scheme |
(S)-2-amino-3-(o-tolyl)propanoic acid
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1.1: thionyl chloride / 3 h / 0 - 75 °C 2.1: triethylamine / dichloromethane / 0 - 20 °C 3.1: lithium diisopropyl amide / tetrahydrofuran / 0.17 h / -78 - -70 °C 3.2: -78 - -65 °C 4.1: C38H40ClN2O3RhS; / dichloromethane / 1 h / 25 °C / Schlenk technique View Scheme |
(S)-2-amino-3-(o-tolyl)propanoic acid
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: thionyl chloride / 3 h / 0 - 75 °C 2.1: triethylamine / dichloromethane / 0 - 20 °C 3.1: lithium diisopropyl amide / tetrahydrofuran / 0.17 h / -78 - -70 °C 3.2: -78 - -65 °C View Scheme |
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