5-Thia-1-azabicyclo[4.2.0]octane-2-carboxylic acid, 3-methylene-8-oxo-7-[(phenoxyacetyl)amino]-, (4-nitrophenyl)methyl ester, (6R,7R)-

Base Information

• Chemical Name: 5-Thia-1-azabicyclo[4.2.0]octane-2-carboxylic acid, 3-methylene-8-oxo-7-[(phenoxyacetyl)amino]-, (4-nitrophenyl)methyl ester, (6R,7R)-
• CAS No.: 40704-42-5
• Molecular Formula: C23H21N3O7S
• Molecular Weight: 483.502
• Mol file: 40704-42-5.mol

Synonyms:

Chemical Property of 5-Thia-1-azabicyclo[4.2.0]octane-2-carboxylic acid, 3-methylene-8-oxo-7-[(phenoxyacetyl)amino]-, (4-nitrophenyl)methyl ester, (6R,7R)-

Chemical Property:

Purity/Quality:

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MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 5-Thia-1-azabicyclo[4.2.0]octane-2-carboxylic acid, 3-methylene-8-oxo-7-[(phenoxyacetyl)amino]-, (4-nitrophenyl)methyl ester, (6R,7R)-

There total 5 articles about 5-Thia-1-azabicyclo[4.2.0]octane-2-carboxylic acid, 3-methylene-8-oxo-7-[(phenoxyacetyl)amino]-, (4-nitrophenyl)methyl ester, (6R,7R)- 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: 78.0%

(6R,7R)-3-Methylene-5,8-dioxo-7-(2-phenoxy-acetylamino)-5λ4-thia-1-aza-bicyclo[4.2.0]octane-2-carboxylic acid 4-nitro-benzyl ester (63427-57-6) → (6R)-3-methylene-8-oxo-7t-(2-phenoxy-acetylamino)-(6rH)-5-thia-1-aza-bicyclo[4.2.0]octane-2ξ-carboxylic acid 4-nitro-benzyl ester (40704-42-5)

Guidance literature:

With Lawessons reagent; In dichloromethane; at 35 - 37 ℃;

DOI:10.1080/00397919608003725

Reference yield:

p-nitrobenzyl-2-(3-phenoxymethyl-2-thia-6-oxo-4,7-diazabicyclo[3,2,0]hept-3-ene-7-yl)-3-iodomethyl-3-butenoate → p-Nitrobenzyl 7-(phenoxyacetamido)-3-methylenecepham-4-carboxylate (40704-42-5,60761-30-0,87303-97-7)

Guidance literature:

With perchloric acid; In dichloromethane; acetone;

Reference yield:

p-Nitrobenzyl 7-(phenoxyacetamido)-3-methylenecepham-4-carboxylate 1β-oxide (60771-27-9,61375-82-4,63427-57-6,69308-55-0,87303-96-6,119944-11-5) → p-Nitrobenzyl 7-(phenoxyacetamido)-3-methylenecepham-4-carboxylate (40704-42-5,60761-30-0,87303-97-7)

Guidance literature:

With Acetyl bromide; In dichloromethane; at 0 ℃; for 0.333333h;

DOI:10.1021/jo00001a086

upstream raw materials:

p-Nitrobenzyl 7-(phenoxyacetamido)-3-methylenecepham-4-carboxylate 1β-oxide

(6R)-3-methylene-8-oxo-7t-(2-phenoxy-acetylamino)-(6rH)-5-thia-1-aza-bicyclo[4.2.0]octane-2ξ-carboxylic acid; sodium salt

1-bromomethyl-4-nitro-benzene

(6R,7R)-3-Methylene-5,8-dioxo-7-(2-phenoxy-acetylamino)-5λ⁴-thia-1-aza-bicyclo[4.2.0]octane-2-carboxylic acid 4-nitro-benzyl ester

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