t-butyl 3-methyl-7-phenoxyacetamido-2-bromo-3-cephem-4-carboxylate 1,1-dioxide

Base Information

Chemical Name:t-butyl 3-methyl-7-phenoxyacetamido-2-bromo-3-cephem-4-carboxylate 1,1-dioxide
CAS No.:144262-09-9
Molecular Formula:C₂₀H₂₃BrN₂O₇S
Molecular Weight:515.382
Hs Code.:

Synonyms:t-butyl 3-methyl-7-phenoxyacetamido-2-bromo-3-cephem-4-carboxylate 1,1-dioxide

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Chemical Property of t-butyl 3-methyl-7-phenoxyacetamido-2-bromo-3-cephem-4-carboxylate 1,1-dioxide

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Technology Process of t-butyl 3-methyl-7-phenoxyacetamido-2-bromo-3-cephem-4-carboxylate 1,1-dioxide

There total 4 articles about t-butyl 3-methyl-7-phenoxyacetamido-2-bromo-3-cephem-4-carboxylate 1,1-dioxide 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: 30.0%

: 144262-07-7
(2S,3R,6R,7R)-3,4-Dibromo-3-methyl-5,5,8-trioxo-7-(2-phenoxy-acetylamino)-5λ⁶-thia-1-aza-bicyclo[4.2.0]octane-2-carboxylic acid tert-butyl ester

: 144262-08-8
(6R,7R)-3-Methyl-5,5,8-trioxo-7-(2-phenoxy-acetylamino)-5λ⁶-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid tert-butyl ester

: 144262-09-9
t-butyl 3-methyl-7-phenoxyacetamido-2-bromo-3-cephem-4-carboxylate 1,1-dioxide

Guidance literature:: With pyridine; In dichloromethane; Ambient temperature;
DOI:10.3987/COM-92-6025

Reference yield:

: 24647-38-9
tert-butyl-3-methyl-7-phenoxyacetamido-2-cephem-4-carboxylate

: 144262-09-9
t-butyl 3-methyl-7-phenoxyacetamido-2-bromo-3-cephem-4-carboxylate 1,1-dioxide

Guidance literature:: Multi-step reaction with 4 steps

1: 75 percent / bromine, Na₂CO₃ / CH₂Cl₂ / 0.08 h / Ambient temperature

2: MCPBA / CH₂Cl₂ / 4 h / Ambient temperature

3: MCPBA / CH₂Cl₂ / 5 h / Heating

4: 30 percent / pyridine / CH₂Cl₂ / Ambient temperature

With pyridine; bromine; sodium carbonate; 3-chloro-benzenecarboperoxoic acid; In dichloromethane;
DOI:10.3987/COM-92-6025

Reference yield:

: 144262-06-6,144262-10-2
(2S,3R,6R,7R)-3,4-Dibromo-3-methyl-8-oxo-7-(2-phenoxy-acetylamino)-5-thia-1-aza-bicyclo[4.2.0]octane-2-carboxylic acid tert-butyl ester

: 144262-09-9
t-butyl 3-methyl-7-phenoxyacetamido-2-bromo-3-cephem-4-carboxylate 1,1-dioxide

Guidance literature:: Multi-step reaction with 3 steps

1: MCPBA / CH₂Cl₂ / 4 h / Ambient temperature

2: MCPBA / CH₂Cl₂ / 5 h / Heating

3: 30 percent / pyridine / CH₂Cl₂ / Ambient temperature

With pyridine; 3-chloro-benzenecarboperoxoic acid; In dichloromethane;
DOI:10.3987/COM-92-6025