7β-<(R)-2-<3-(3,4-diacetoxybenzoyl)-3-methylureido>-2-phenylacetamido>-7α-methoxy-3-<(1-methyl-1H-tetrazol-5-yl)thiomethyl>-3-cephem-4-carboxylic acid

Base Information

Chemical Name:7β-<(R)-2-<3-(3,4-diacetoxybenzoyl)-3-methylureido>-2-phenylacetamido>-7α-methoxy-3-<(1-methyl-1H-tetrazol-5-yl)thiomethyl>-3-cephem-4-carboxylic acid
CAS No.:77119-51-8
Molecular Formula:C₃₂H₃₂N₈O₁₁S₂
Molecular Weight:768.785
Hs Code.:

7β-<(R)-2-<3-(3,4-diacetoxybenzoyl)-3-methylureido>-2-phenylacetamido>-7α-methoxy-3-<(1-methyl-1H-tetrazol-5-yl)thiomethyl>-3-cephem-4-carboxylic acid

Synonyms:7β-<(R)-2-<3-(3,4-diacetoxybenzoyl)-3-methylureido>-2-phenylacetamido>-7α-methoxy-3-<(1-methyl-1H-tetrazol-5-yl)thiomethyl>-3-cephem-4-carboxylic acid

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Chemical Property of 7β-<(R)-2-<3-(3,4-diacetoxybenzoyl)-3-methylureido>-2-phenylacetamido>-7α-methoxy-3-<(1-methyl-1H-tetrazol-5-yl)thiomethyl>-3-cephem-4-carboxylic acid

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Technology Process of 7β-<(R)-2-<3-(3,4-diacetoxybenzoyl)-3-methylureido>-2-phenylacetamido>-7α-methoxy-3-<(1-methyl-1H-tetrazol-5-yl)thiomethyl>-3-cephem-4-carboxylic acid

There total 3 articles about 7β-<(R)-2-<3-(3,4-diacetoxybenzoyl)-3-methylureido>-2-phenylacetamido>-7α-methoxy-3-<(1-methyl-1H-tetrazol-5-yl)thiomethyl>-3-cephem-4-carboxylic acid 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: 80.0%

: 79673-48-6
diphenylmethyl 7β-<(R)-2-<3-(3,4-diacetoxybenzoyl)-3-methylureido>-2-phenylacetamido>-7α-methoxy-3-<(1-methyl-1H-tetrazol-5-yl)thiomethyl>-3-cephem-4-carboxylate

: 77119-51-8
7β-<(R)-2-<3-(3,4-diacetoxybenzoyl)-3-methylureido>-2-phenylacetamido>-7α-methoxy-3-<(1-methyl-1H-tetrazol-5-yl)thiomethyl>-3-cephem-4-carboxylic acid

Guidance literature:: With trifluoroacetic acid; In dichloromethane; at 5 ℃; for 0.5h;
DOI:10.1248/cpb.35.1903

Reference yield:

: 98043-87-9
(R)-2-<3-(3,4-diacetoxybenzoyl)-3-methylureido>-2-phenylacetic acid

: 77119-51-8
7β-<(R)-2-<3-(3,4-diacetoxybenzoyl)-3-methylureido>-2-phenylacetamido>-7α-methoxy-3-<(1-methyl-1H-tetrazol-5-yl)thiomethyl>-3-cephem-4-carboxylic acid

Guidance literature:: Multi-step reaction with 2 steps

1: 1.) ethyl chloroformate/N-methylmorpholine / 1.) CH₂Cl₂, -15 to -10 deg C,1 h; 2.) CH₂Cl₂, -15 to -10 deg C, 2 h

2: 80 percent / trifluoroacetic acid / CH₂Cl₂; various solvent(s) / 0.5 h / 5 °C

With 4-methyl-morpholine; chloroformic acid ethyl ester; trifluoroacetic acid; In dichloromethane;
DOI:10.1248/cpb.35.1903

Reference yield:

: 56610-72-1,65058-69-7
diphenylmethyl 7β-amino-7α-methoxy-3-<(1-methyl-1H-tetrazol-5-yl)thiomethyl>-3-cephem-4-carboxylate

: 77119-51-8
7β-<(R)-2-<3-(3,4-diacetoxybenzoyl)-3-methylureido>-2-phenylacetamido>-7α-methoxy-3-<(1-methyl-1H-tetrazol-5-yl)thiomethyl>-3-cephem-4-carboxylic acid

Guidance literature:: Multi-step reaction with 2 steps

1: 1.) ethyl chloroformate/N-methylmorpholine / 1.) CH₂Cl₂, -15 to -10 deg C,1 h; 2.) CH₂Cl₂, -15 to -10 deg C, 2 h

2: 80 percent / trifluoroacetic acid / CH₂Cl₂; various solvent(s) / 0.5 h / 5 °C

With 4-methyl-morpholine; chloroformic acid ethyl ester; trifluoroacetic acid; In dichloromethane;
DOI:10.1248/cpb.35.1903