5-(7-Bromo-1H-indol-3-yl)-2-{(S)-1-[(S)-3-(4-hydroxy-phenyl)-2-(2-nitro-benzenesulfonylamino)-propionylamino]-2-methyl-propyl}-oxazole-4-carboxylic acid methyl ester

Base Information

Chemical Name:5-(7-Bromo-1H-indol-3-yl)-2-{(S)-1-[(S)-3-(4-hydroxy-phenyl)-2-(2-nitro-benzenesulfonylamino)-propionylamino]-2-methyl-propyl}-oxazole-4-carboxylic acid methyl ester
CAS No.:640281-40-9
Molecular Formula:C₃₂H₃₀BrN₅O₉S
Molecular Weight:740.588
Hs Code.:

5-(7-Bromo-1H-indol-3-yl)-2-{(S)-1-[(S)-3-(4-hydroxy-phenyl)-2-(2-nitro-benzenesulfonylamino)-propionylamino]-2-methyl-propyl}-oxazole-4-carboxylic acid methyl ester

Synonyms:5-(7-Bromo-1H-indol-3-yl)-2-{(S)-1-[(S)-3-(4-hydroxy-phenyl)-2-(2-nitro-benzenesulfonylamino)-propionylamino]-2-methyl-propyl}-oxazole-4-carboxylic acid methyl ester

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Chemical Property of 5-(7-Bromo-1H-indol-3-yl)-2-{(S)-1-[(S)-3-(4-hydroxy-phenyl)-2-(2-nitro-benzenesulfonylamino)-propionylamino]-2-methyl-propyl}-oxazole-4-carboxylic acid methyl ester

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Technology Process of 5-(7-Bromo-1H-indol-3-yl)-2-{(S)-1-[(S)-3-(4-hydroxy-phenyl)-2-(2-nitro-benzenesulfonylamino)-propionylamino]-2-methyl-propyl}-oxazole-4-carboxylic acid methyl ester

There total 6 articles about 5-(7-Bromo-1H-indol-3-yl)-2-{(S)-1-[(S)-3-(4-hydroxy-phenyl)-2-(2-nitro-benzenesulfonylamino)-propionylamino]-2-methyl-propyl}-oxazole-4-carboxylic acid methyl ester which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 91.0%

: 640281-39-6
Ns-Tyr(OH)-OH

: Methyl 2-((S)-1-amino-2-methylpropyl)-5-(7-bromo-1H-indol-3-yl)oxazole-4-carboxylate hydrobromide

: 640281-40-9
5-(7-Bromo-1H-indol-3-yl)-2-{(S)-1-[(S)-3-(4-hydroxy-phenyl)-2-(2-nitro-benzenesulfonylamino)-propionylamino]-2-methyl-propyl}-oxazole-4-carboxylic acid methyl ester

Guidance literature:: With O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate; N-ethyl-N,N-diisopropylamine; In N,N-dimethyl-formamide; at 20 ℃;
DOI:10.1002/anie.200352577

Reference yield:

: 1149-26-4
(S)-N-(benzyloxycarbonyl)valine

: 640281-40-9
5-(7-Bromo-1H-indol-3-yl)-2-{(S)-1-[(S)-3-(4-hydroxy-phenyl)-2-(2-nitro-benzenesulfonylamino)-propionylamino]-2-methyl-propyl}-oxazole-4-carboxylic acid methyl ester

Guidance literature:: Multi-step reaction with 4 steps

1: 76 percent / 1-chloro-N,N,2-trimethyl-1-propen-1-amine; pyridine / CH₂Cl₂ / 0 °C

2: 90 percent / 2,3-dichloro-5,6-dicyano-1,4-benzoquinone / tetrahydrofuran / 2 h / 70 °C

3: 94 percent / HBr; AcOH / 10 h / 20 °C

4: 91 percent / [2-(1H-benzotriazol-1-yl)-1,1,3,3-tetramethyluronium]BF₄; (i-Pr)2NEt / dimethylformamide / 20 °C

With pyridine; 1-chloro-1-(dimethylamino)-2-methyl-1-propene; hydrogen bromide; O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate; acetic acid; N-ethyl-N,N-diisopropylamine; 2,3-dicyano-5,6-dichloro-p-benzoquinone; In tetrahydrofuran; dichloromethane; N,N-dimethyl-formamide; 2: Yonemitsu oxidation;
DOI:10.1002/anie.200352577

Reference yield:

: 1694-92-4
2-Nitrobenzenesulfonyl chloride

: 640281-40-9
5-(7-Bromo-1H-indol-3-yl)-2-{(S)-1-[(S)-3-(4-hydroxy-phenyl)-2-(2-nitro-benzenesulfonylamino)-propionylamino]-2-methyl-propyl}-oxazole-4-carboxylic acid methyl ester

Guidance literature:: Multi-step reaction with 2 steps

1.1: aq. phosphate buffer; CH₂Cl₂ / pH 9.0

1.2: 70 percent / aq. KOH / methanol

2.1: 91 percent / [2-(1H-benzotriazol-1-yl)-1,1,3,3-tetramethyluronium]BF₄; (i-Pr)2NEt / dimethylformamide / 20 °C

With O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate; N-ethyl-N,N-diisopropylamine; In phosphate buffer; dichloromethane; N,N-dimethyl-formamide;
DOI:10.1002/anie.200352577