4-nitrobenzyl 7β-phenoxyacetamido-3-methyl-3-cephem-4-carboxylate 1R-(α)-oxide

Base Information

• Chemical Name: 4-nitrobenzyl 7β-phenoxyacetamido-3-methyl-3-cephem-4-carboxylate 1R-(α)-oxide
• CAS No.: 54750-23-1
• Molecular Formula: C₂₃H₂₁N₃O₈S
• Molecular Weight: 499.501

Synonyms:4-nitrobenzyl 7β-phenoxyacetamido-3-methyl-3-cephem-4-carboxylate 1R-(α)-oxide

Chemical Property of 4-nitrobenzyl 7β-phenoxyacetamido-3-methyl-3-cephem-4-carboxylate 1R-(α)-oxide

Chemical Property:

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Technology Process of 4-nitrobenzyl 7β-phenoxyacetamido-3-methyl-3-cephem-4-carboxylate 1R-(α)-oxide

There total 6 articles about 4-nitrobenzyl 7β-phenoxyacetamido-3-methyl-3-cephem-4-carboxylate 1R-(α)-oxide 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: 83.0%

(5R,6R,7R)-7-[tert-Butoxycarbonyl-(2-phenoxy-acetyl)-amino]-3-methyl-5,8-dioxo-5λ4-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid 4-nitro-benzyl ester → 4-nitrobenzyl 7β-phenoxyacetamido-3-methyl-3-cephem-4-carboxylate 1R-(α)-oxide (54750-23-1)

Guidance literature:

With trifluoroacetic acid;

Reference yield: 82.3%

4-nitrobenzyl 7β-phenoxyacetamido-3-methyl-3-cephem-4-carboxylate (28974-31-4) → 4-nitrobenzyl 7β-phenoxyacetamido-3-methyl-3-cephem-4-carboxylate 1R-(α)-oxide (54750-23-1)

Guidance literature:

With ethyl N,N-dichlorocarbamate; In dichloromethane; for 0.0833333h; Ambient temperature;

Reference yield:

(4R,6R,7R)-4-nitrobenzyl 3-methylene-7-phenoxyacetamidocepham-4-carboxylate-1-oxide (69308-55-0) → 4-nitrobenzyl 7β-phenoxyacetamido-3-methyl-3-cephem-4-carboxylate 1R-(α)-oxide (54750-23-1)

Guidance literature:

With triethylamine; In chloroform;

DOI:10.1016/S0040-4039(01)94897-X

upstream raw materials:

(4R,6R,7R)-4-nitrobenzyl 3-methylene-7-phenoxyacetamidocepham-4-carboxylate-1-oxide

4-nitrobenzyl 7β-phenoxyacetamido-3-methyl-3-cephem-4-carboxylate

4-nitrobenzyl-(7β)-3-methyl-7--3-cephem-4-carboxylate

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

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