(R)-3-Acetoxymethyl-5,5,8-trioxo-7-[1-pyridin-2-yl-meth-(Z)-ylidene]-5λ⁶-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid benzhydryl ester

Base Information

• Chemical Name: (R)-3-Acetoxymethyl-5,5,8-trioxo-7-[1-pyridin-2-yl-meth-(Z)-ylidene]-5λ⁶-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid benzhydryl ester
• CAS No.: 162253-07-8
• Molecular Formula: C₂₉H₂₄N₂O₇S
• Molecular Weight: 544.585

Synonyms:(R)-3-Acetoxymethyl-5,5,8-trioxo-7-[1-pyridin-2-yl-meth-(Z)-ylidene]-5λ⁶-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid benzhydryl ester

Chemical Property of (R)-3-Acetoxymethyl-5,5,8-trioxo-7-[1-pyridin-2-yl-meth-(Z)-ylidene]-5λ⁶-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid benzhydryl ester

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Technology Process of (R)-3-Acetoxymethyl-5,5,8-trioxo-7-[1-pyridin-2-yl-meth-(Z)-ylidene]-5λ⁶-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid benzhydryl ester

There total 13 articles about (R)-3-Acetoxymethyl-5,5,8-trioxo-7-[1-pyridin-2-yl-meth-(Z)-ylidene]-5λ⁶-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid benzhydryl 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: 90.0%

(R)-3-Acetoxymethyl-8-oxo-7-[1-pyridin-2-yl-meth-(Z)-ylidene]-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid benzhydryl ester (162252-97-3) → (R)-3-Acetoxymethyl-5,5,8-trioxo-7-[1-pyridin-2-yl-meth-(Z)-ylidene]-5λ6-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid benzhydryl ester (162253-07-8)

Guidance literature:

With 3-chloro-benzenecarboperoxoic acid; In dichloromethane; for 0.666667h; Ambient temperature; pH = 6.4 buffer;

DOI:10.1021/jm00006a022

Reference yield: 67.0%

2-bromo-pyridine (109-04-6) + benzhydryl 7-[(Z)-(trimethylstannyl)methylidene]cephalosporanate → (R)-3-Acetoxymethyl-5,5,8-trioxo-7-[1-pyridin-2-yl-meth-(Z)-ylidene]-5λ6-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid benzhydryl ester (162253-07-8)

Guidance literature:

2-bromo-pyridine; benzhydryl 7-[(Z)-(trimethylstannyl)methylidene]cephalosporanate; With tris(dibenzylideneacetone)dipalladium ⁽⁰⁾; In N,N-dimethyl-formamide; at 20 ℃; for 15h;

With 3-chloro-benzenecarboperoxoic acid; In dichloromethane; at 20 ℃; for 0.5h;

DOI:10.1016/S0040-4020(00)00426-9

Reference yield: 59.0%

2-tri-n-butylstannylpyridine (17997-47-6) + benzhydryl 7-[(Z)-bromomethylidene]cephalosporanate (301150-85-6) → (R)-3-Acetoxymethyl-5,5,8-trioxo-7-[1-pyridin-2-yl-meth-(Z)-ylidene]-5λ6-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid benzhydryl ester (162253-07-8)

Guidance literature:

2-tri-n-butylstannylpyridine; benzhydryl 7-[(Z)-bromomethylidene]cephalosporanate; With tris(dibenzylideneacetone)dipalladium ⁽⁰⁾; In N,N-dimethyl-formamide; at 20 ℃; for 15h;

With 3-chloro-benzenecarboperoxoic acid; In dichloromethane; at 20 ℃; for 0.5h;

DOI:10.1016/S0040-4020(00)00426-9

upstream raw materials:

(R)-3-Acetoxymethyl-8-oxo-7-[1-pyridin-2-yl-meth-(Z)-ylidene]-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid benzhydryl ester

2-bromo-pyridine

2-tri-n-butylstannylpyridine

benzhydryl 7-[(Z)-bromomethylidene]cephalosporanate

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