L-5-Hydroxytryptophan CAS 4350-09-8 Purity: 99% Min Application: Intermediates Appearance: Powder Package: Bag Delivery: 3-5days Our Advantage & Service 1.Top quality: Using high quality material and establishing a strict quality con
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inquiryL-5-Hydroxytryptophan CAS 4350-09-8 Our advantage 1.Top quality: Using high quality material and establishing a strict quality control system,assigning specific persons in charge of each part of production,from raw material purchase to assemb
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inquiryHebei yanxi chemical co., LTD is a professional research, development and production 2-phenylacetamide enterprise backbone members by local well-known entrepreneurs and professional senior engineers in the party's "low carbon environ
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inquiryProduct Description Product Name 5-HTP Appearance Off-white powder Assay Min 98% test by HPLC Molecular formula C11H12N203 Molecular weight 220.23 Appearance:White Solid Powder Storag
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Cas:4350-09-8
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Cas:4350-09-8
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inquirySynonyms: 5-hydroxy-l-tryptopha;pretonine;C5-HYDROXY-L-TRYPTOPHAN;H-5-HYDROXY-TRP-OH;H-TRP(5-OH)-OH;L-2-AMINO-3-(5-HYDROXYINDOLYL)PROPIONIC ACID;L-5-HYDROXYTRYPTOPHAN HYDRATE;L-5-HYDROXYTRYPTOPHAN CAS: 4350-09-8 MF: C11H12N2O3 MW: 220.22 EINECS
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inquiryPacking: According to customer requirements Delivery time: In stock or depands Port of shipment: Ningbo/Shanghai/Qingdao OEM/ODM:Welcome Sample:We can offer our existing samples at once Appearance:white powder/ Refer to COA Storage:Refer to COA
Cas:4350-09-8
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inquiryPRODUCT DETAILS
Cas:4350-09-8
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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
Appearance:white to pale grey powder Storage:Room temperature Package:25kg/drum Application:Ghana Seed Extract Transportation:Express/Sea/Air Port:Any port in china
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inquiryStock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai
Cas:4350-09-8
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inquiryJ&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
Conditions | Yield |
---|---|
Stage #1: indol-5-ol; L-serin With pyridoxal 5'-phosphate; thermotoga maritima with tryptophan synthase β-subunit from pyrococcus furiosus M145T N167D mutant In aq. phosphate buffer; water; dimethyl sulfoxide at 75℃; for 2h; pH=8; Sealed tube; Enzymatic reaction; Stage #2: With hydrogenchloride In water | 93% |
With transformed Escherichia coli cells at 37℃; for 24h; | 70 % Chromat. |
With tryptophan synthase; pyridoxal 5'-phosphate at 37℃; for 24h; pH=7.8; Enzymatic reaction; |
DL-5-hydroxytryptophane amide
L-5-HTP
Conditions | Yield |
---|---|
43% | |
43% |
L-Tryptophan
A
7-Hydroxy-L-tryptophan
B
4-Hydroxy-L-tryptophan
C
(S)-6-hydroxytryptophan
D
L-5-HTP
Conditions | Yield |
---|---|
With dihydrogen peroxide; edetate disodium; iron(II) sulfate; ascorbic acid In water at 22℃; for 0.0416667h; | A n/a B 10% C n/a D 12% |
Conditions | Yield |
---|---|
With ethanol; palladium Hydrogenation; |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: quinine 2: palladium; ethanol / Hydrogenation View Scheme |
L-Tryptophan
A
tryptamine
B
L-kynurenine
F
2-amino-3-(2-oxoindolin-3-yl)propanoic acid
G
L-5-HTP
Conditions | Yield |
---|---|
With dihydrogen peroxide at 37℃; for 6h; pH=4.6; Darkness; aq. borate buffer; |
Conditions | Yield |
---|---|
With tryptophan hydroxylase Enzymatic reaction; | |
With ferrous ammonium sulphate; 6-methyl-5,6,7,8-tetrahydrobopterin; tryptophan hydroxylase; oxygen In aq. buffer at 20℃; for 0.333333h; pH=7.7; Kinetics; Mechanism; Catalytic behavior; Reagent/catalyst; Solvent; Temperature; Enzymatic reaction; chemoselective reaction; |
Conditions | Yield |
---|---|
With thionyl chloride at -5 - 20℃; for 16h; | 98% |
With thionyl chloride at 0 - 20℃; Inert atmosphere; | 74% |
Conditions | Yield |
---|---|
With pyridoxal 5'-phosphate; aromatic L-amino acid decarboxylase In various solvent(s) at 30℃; for 48h; | 97% |
With NH4OH-NH4Cl buffer; pyridoxal 5'-phosphate at 30℃; for 0.5h; relative rate of CO2 evolution by aromatic L-amino acid decarboxylase from Micrococcus percitreus; | |
With isopropyl β-D-thiogalactoside; L-tryptophan decarboxylase in recombinant Escherichia coli at 28℃; |
Conditions | Yield |
---|---|
With pyridine | 97% |
methanol
L-5-HTP
2-amino-3-(5-hydroxy-1H-indol-3-yl)propionic acid methyl ester
Conditions | Yield |
---|---|
With thionyl chloride at 0 - 40℃; for 10h; | 95% |
With thionyl chloride at -5 - 35℃; for 5h; | 92.9% |
With hydrogenchloride at 0 - 20℃; for 18h; Fischer esterification; |
Conditions | Yield |
---|---|
In methanol for 3h; Reflux; | 89% |
Conditions | Yield |
---|---|
With pyridine; triethylamine In tetrahydrofuran for 2.5h; | 89% |
di-tert-butyl dicarbonate
L-5-HTP
(S)-2-tert-butoxycarbonylamino-3-(5-tert-butoxycarbonyloxy-1H-indol-3-yl)propionic acid
Conditions | Yield |
---|---|
With potassium hydroxide In isopropyl alcohol for 5h; pH=11.5 - 12.0; | 87% |
L-5-HTP
Conditions | Yield |
---|---|
In methanol for 3h; Reflux; | 86% |
2,6-difluorophenylisothiocyanate
L-5-HTP
Conditions | Yield |
---|---|
With pyridine; triethylamine In tetrahydrofuran for 3h; | 85% |
2,4-diflurophenylisocyanate
L-5-HTP
Conditions | Yield |
---|---|
With pyridine; triethylamine In tetrahydrofuran for 4h; | 85% |
Conditions | Yield |
---|---|
In methanol for 3h; Reflux; | 84.8% |
L-5-HTP
Conditions | Yield |
---|---|
In methanol for 3h; Reflux; | 84% |
Conditions | Yield |
---|---|
With pyridine; triethylamine In tetrahydrofuran for 4h; | 83% |
L-5-HTP
Conditions | Yield |
---|---|
In methanol for 3h; Reflux; | 82.8% |
Conditions | Yield |
---|---|
In methanol for 3h; Reflux; | 82.6% |
L-5-HTP
Conditions | Yield |
---|---|
In methanol for 3h; Reflux; | 82.6% |
L-5-HTP
Conditions | Yield |
---|---|
In methanol for 3h; Reflux; | 82.6% |
methanol
di-tert-butyl dicarbonate
L-5-HTP
(S)-methyl 2-((tert-butoxycarbonyl)amino)-3-(5-hydroxy-1H-indol-3-yl)propanoate
Conditions | Yield |
---|---|
Stage #1: methanol; L-5-HTP With thionyl chloride at 0 - 20℃; for 12h; Stage #2: di-tert-butyl dicarbonate With triethylamine In dichloromethane at 0 - 20℃; for 6h; | 82% |
Conditions | Yield |
---|---|
With pyridine; triethylamine In tetrahydrofuran for 3h; | 82% |
3-indolylglyoxal
L-5-HTP
6-hydroxy-1-(1H-indole-3-carbonyl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic acid
Conditions | Yield |
---|---|
Stage #1: 3-indolylglyoxal; L-5-HTP With sulfuric acid In water at 20℃; for 10h; Pictet-Spengler cyclisation; Stage #2: With ammonia In water at 0℃; for 12h; pH=6 - 7; | 80% |
Conditions | Yield |
---|---|
With pyridine; triethylamine In tetrahydrofuran for 3h; | 80% |
Conditions | Yield |
---|---|
With pyridine; triethylamine In tetrahydrofuran | 79% |
3-chloro-4-fluorophenyl isothiocyanate
L-5-HTP
Conditions | Yield |
---|---|
With pyridine; triethylamine In tetrahydrofuran for 4h; | 79% |
Conditions | Yield |
---|---|
With pyridine; triethylamine In tetrahydrofuran for 3.5h; | 78% |
Conditions | Yield |
---|---|
In methanol for 3h; Reflux; | 77.2% |
Conditions | Yield |
---|---|
In water at 100℃; for 0.5h; | 77% |
di-tert-butyl dicarbonate
L-5-HTP
(S)-2-((tert-butoxycarbonyl)amino)-3-(5-hydroxy-1H-indol-3-yl)propanoic acid
Conditions | Yield |
---|---|
With potassium carbonate In tetrahydrofuran; water at 20℃; for 2h; | 76% |
Stage #1: di-tert-butyl dicarbonate; L-5-HTP With sodium hydrogencarbonate In water at 0 - 35℃; for 24h; Stage #2: With citric acid In water pH=6; | 58.16% |
With triethylamine In 1,4-dioxane at 20℃; |
Conditions | Yield |
---|---|
In trifluoroacetic acid ligand was added to Ru-complex in CF3COOH, stirred for 12 h at 50°C; pptd. with Et2O, dried in vac.; elem. anal.; | 75% |
Conditions | Yield |
---|---|
With pyridine; triethylamine In tetrahydrofuran for 3.5h; | 75% |
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