(6R)-3-methylene-5t,8-dioxo-7t-(2-phenoxy-acetylamino)-(6rH)-5λ⁴-thia-1-aza-bicyclo[4.2.0]octane-2c-carboxylic acid methyl ester

Base Information

• Chemical Name: (6R)-3-methylene-5t,8-dioxo-7t-(2-phenoxy-acetylamino)-(6rH)-5λ⁴-thia-1-aza-bicyclo[4.2.0]octane-2c-carboxylic acid methyl ester
• CAS No.: 37787-59-0
• Molecular Formula: C₁₇H₁₈N₂O₆S
• Molecular Weight: 378.406

Synonyms:(6R)-3-methylene-5t,8-dioxo-7t-(2-phenoxy-acetylamino)-(6rH)-5λ⁴-thia-1-aza-bicyclo[4.2.0]octane-2c-carboxylic acid methyl ester

Chemical Property of (6R)-3-methylene-5t,8-dioxo-7t-(2-phenoxy-acetylamino)-(6rH)-5λ⁴-thia-1-aza-bicyclo[4.2.0]octane-2c-carboxylic acid methyl ester

Chemical Property:

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Technology Process of (6R)-3-methylene-5t,8-dioxo-7t-(2-phenoxy-acetylamino)-(6rH)-5λ⁴-thia-1-aza-bicyclo[4.2.0]octane-2c-carboxylic acid methyl ester

There total 3 articles about (6R)-3-methylene-5t,8-dioxo-7t-(2-phenoxy-acetylamino)-(6rH)-5λ⁴-thia-1-aza-bicyclo[4.2.0]octane-2c-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:

tin(II)chloride dihydrate + methyl (1S,6R,7R)-3-bromomethyl-1-oxo-7-phenoxyacetamido-3-cephem-4-carboxylate (80628-86-0) → (6R)-3-methylene-5t,8-dioxo-7t-(2-phenoxy-acetylamino)-(6rH)-5λ4-thia-1-aza-bicyclo[4.2.0]octane-2c-carboxylic acid methyl ester (37787-59-0)

Guidance literature:

With triphenylphosphine; In tetrahydrofuran; water; ethyl acetate; acetone; Petroleum ether;

Reference yield:

(6R)-3-methylene-8-oxo-7t-(2-phenoxy-acetylamino)-(6rH)-5-thia-1-aza-bicyclo[4.2.0]octane-2c-carboxylic acid methyl ester (37787-58-9) → (6R)-3-methylene-5t,8-dioxo-7t-(2-phenoxy-acetylamino)-(6rH)-5λ4-thia-1-aza-bicyclo[4.2.0]octane-2c-carboxylic acid methyl ester (37787-59-0)

Guidance literature:

With 3-chloro-benzenecarboperoxoic acid; In dichloromethane;

DOI:10.1016/S0040-4039(01)94013-4

Reference yield:

7-Phenoxyacetamido-3-exo-methylene cepham (40849-60-3) → (6R)-3-methylene-5t,8-dioxo-7t-(2-phenoxy-acetylamino)-(6rH)-5λ4-thia-1-aza-bicyclo[4.2.0]octane-2c-carboxylic acid methyl ester (37787-59-0)

Guidance literature:

Multi-step reaction with 2 steps

2: MCPBA / CH₂Cl₂

With 3-chloro-benzenecarboperoxoic acid; In dichloromethane;

DOI:10.1016/S0040-4039(01)94013-4

upstream raw materials:

(6R)-3-methylene-8-oxo-7t-(2-phenoxy-acetylamino)-(6rH)-5-thia-1-aza-bicyclo[4.2.0]octane-2c-carboxylic acid methyl ester

7-Phenoxyacetamido-3-exo-methylene cepham

methyl (1S,6R,7R)-3-bromomethyl-1-oxo-7-phenoxyacetamido-3-cephem-4-carboxylate

Downstream raw materials:

methyl 7β-(phenoxyacetylamino)-3-deacetoxycephalosporanate 1,1-dioxide

(6R)-3-methyl-5t,8-dioxo-7t-(2-phenoxy-acetylamino)-(6rH)-5λ⁴-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid methyl ester

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