2-{(2S,4S)-4-[(S)-2-((S)-2-Benzyloxycarbonylamino-propionylamino)-propionylamino]-2-methyl-pyrrolidin-1-yl}-9-(2,4-difluoro-phenyl)-3-fluoro-6-oxo-6H-pyrido[1,2-a]pyrimidine-7-carboxylic acid benzyl ester

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Chemical Name:2-{(2S,4S)-4-[(S)-2-((S)-2-Benzyloxycarbonylamino-propionylamino)-propionylamino]-2-methyl-pyrrolidin-1-yl}-9-(2,4-difluoro-phenyl)-3-fluoro-6-oxo-6H-pyrido[1,2-a]pyrimidine-7-carboxylic acid benzyl ester
CAS No.:139161-86-7
Molecular Formula:C₄₁H₃₉F₃N₆O₇
Molecular Weight:784.792
Hs Code.:

2-{(2S,4S)-4-[(S)-2-((S)-2-Benzyloxycarbonylamino-propionylamino)-propionylamino]-2-methyl-pyrrolidin-1-yl}-9-(2,4-difluoro-phenyl)-3-fluoro-6-oxo-6H-pyrido[1,2-a]pyrimidine-7-carboxylic acid benzyl ester

Synonyms:2-{(2S,4S)-4-[(S)-2-((S)-2-Benzyloxycarbonylamino-propionylamino)-propionylamino]-2-methyl-pyrrolidin-1-yl}-9-(2,4-difluoro-phenyl)-3-fluoro-6-oxo-6H-pyrido[1,2-a]pyrimidine-7-carboxylic acid benzyl ester

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Chemical Property of 2-{(2S,4S)-4-[(S)-2-((S)-2-Benzyloxycarbonylamino-propionylamino)-propionylamino]-2-methyl-pyrrolidin-1-yl}-9-(2,4-difluoro-phenyl)-3-fluoro-6-oxo-6H-pyrido[1,2-a]pyrimidine-7-carboxylic acid benzyl ester

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Technology Process of 2-{(2S,4S)-4-[(S)-2-((S)-2-Benzyloxycarbonylamino-propionylamino)-propionylamino]-2-methyl-pyrrolidin-1-yl}-9-(2,4-difluoro-phenyl)-3-fluoro-6-oxo-6H-pyrido[1,2-a]pyrimidine-7-carboxylic acid benzyl ester

There total 6 articles about 2-{(2S,4S)-4-[(S)-2-((S)-2-Benzyloxycarbonylamino-propionylamino)-propionylamino]-2-methyl-pyrrolidin-1-yl}-9-(2,4-difluoro-phenyl)-3-fluoro-6-oxo-6H-pyrido[1,2-a]pyrimidine-7-carboxylic acid benzyl 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:

: 139161-62-9
9-(2,4-Difluorophenyl)-3-fluoro-2-hydroxy-6H-6-oxopyrido[1,2-a]pyrimidine-7-carboxylic acid ethyl ester

: 139161-86-7
2-{(2S,4S)-4-[(S)-2-((S)-2-Benzyloxycarbonylamino-propionylamino)-propionylamino]-2-methyl-pyrrolidin-1-yl}-9-(2,4-difluoro-phenyl)-3-fluoro-6-oxo-6H-pyrido[1,2-a]pyrimidine-7-carboxylic acid benzyl ester

Guidance literature:: Multi-step reaction with 5 steps

1: 81 percent / Ti(OEt)4 / 2.5 h / 100 °C

2: POCl₃, DMF / CH₂Cl₂ / 2.5 h / Ambient temperature

3: CH₂Cl₂

4: CF₃COOH / 1 h / Ambient temperature

5: 1-ethyl-3-<3-(dimethylamino)propyl>carbodiimide hydrochloride, 1-hydroxybenzotriazole hydrate / dimethylformamide / 2 h / Ambient temperature

With titanium(IV) tetraethanolate; 1-hydroxybenzotriazol-hydrate; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N,N-dimethyl-formamide; trifluoroacetic acid; trichlorophosphate; In dichloromethane; N,N-dimethyl-formamide;
DOI:10.1021/jm960207w

Reference yield:

: 139161-63-0
9-(2,4-Difluorophenyl)-3-fluoro-2-hydroxy-6H-6-oxopyrido[1.2-a]pyrimidine-7-carboxylic acid benzyl ester

: 139161-86-7
2-{(2S,4S)-4-[(S)-2-((S)-2-Benzyloxycarbonylamino-propionylamino)-propionylamino]-2-methyl-pyrrolidin-1-yl}-9-(2,4-difluoro-phenyl)-3-fluoro-6-oxo-6H-pyrido[1,2-a]pyrimidine-7-carboxylic acid benzyl ester

Guidance literature:: Multi-step reaction with 4 steps

1: POCl₃, DMF / CH₂Cl₂ / 2.5 h / Ambient temperature

2: CH₂Cl₂

3: CF₃COOH / 1 h / Ambient temperature

4: 1-ethyl-3-<3-(dimethylamino)propyl>carbodiimide hydrochloride, 1-hydroxybenzotriazole hydrate / dimethylformamide / 2 h / Ambient temperature

With 1-hydroxybenzotriazol-hydrate; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N,N-dimethyl-formamide; trifluoroacetic acid; trichlorophosphate; In dichloromethane; N,N-dimethyl-formamide;
DOI:10.1021/jm960207w

Reference yield:

: 1027287-17-7
2-Chloro-9-(2,4-difluoro-phenyl)-3-fluoro-6-oxo-6H-pyrido[1,2-a]pyrimidine-7-carboxylic acid benzyl ester

: 139161-86-7
2-{(2S,4S)-4-[(S)-2-((S)-2-Benzyloxycarbonylamino-propionylamino)-propionylamino]-2-methyl-pyrrolidin-1-yl}-9-(2,4-difluoro-phenyl)-3-fluoro-6-oxo-6H-pyrido[1,2-a]pyrimidine-7-carboxylic acid benzyl ester

Guidance literature:: Multi-step reaction with 3 steps

1: CH₂Cl₂

2: CF₃COOH / 1 h / Ambient temperature

3: 1-ethyl-3-<3-(dimethylamino)propyl>carbodiimide hydrochloride, 1-hydroxybenzotriazole hydrate / dimethylformamide / 2 h / Ambient temperature

With 1-hydroxybenzotriazol-hydrate; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; trifluoroacetic acid; In dichloromethane; N,N-dimethyl-formamide;
DOI:10.1021/jm960207w