(6R)-3-methyl-8-oxo-7t-(triphenyl-λ⁵-phosphanylideneamino)-(6rH)-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid methyl ester

Base Information

• Chemical Name: (6R)-3-methyl-8-oxo-7t-(triphenyl-λ⁵-phosphanylideneamino)-(6rH)-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid methyl ester
• CAS No.: 61112-56-9
• Molecular Formula: C₂₇H₂₅N₂O₃PS
• Molecular Weight: 488.547

Synonyms:(6R)-3-methyl-8-oxo-7t-(triphenyl-λ⁵-phosphanylideneamino)-(6rH)-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid methyl ester

Chemical Property of (6R)-3-methyl-8-oxo-7t-(triphenyl-λ⁵-phosphanylideneamino)-(6rH)-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid methyl ester

Chemical Property:

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Technology Process of (6R)-3-methyl-8-oxo-7t-(triphenyl-λ⁵-phosphanylideneamino)-(6rH)-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid methyl ester

There total 1 articles about (6R)-3-methyl-8-oxo-7t-(triphenyl-λ⁵-phosphanylideneamino)-(6rH)-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-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:

7-amino(deacetoxy)cephalosporanic acid methyl ester (37850-83-2) + triphenylphosphine (603-35-0) → (6R)-3-methyl-8-oxo-7t-(triphenyl-λ5-phosphanylideneamino)-(6rH)-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid methyl ester (61112-56-9)

Guidance literature:

Multistep reaction; (i) Br₂, CCl₄, (ii) /BRN= 1079324/, Et₃N;

Reference yield:

(6R)-3-methyl-8-oxo-7t-(triphenyl-λ5-phosphanylideneamino)-(6rH)-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid methyl ester (61112-56-9) + diphenyl ketene (525-06-4) → (6R)-7ξ-diphenylvinylideneamino-3-methyl-8-oxo-(6rH)-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid methyl ester (61112-50-3)

Guidance literature:

DOI:10.1039/c39760000516

Reference yield:

(6R)-3-methyl-8-oxo-7t-(triphenyl-λ5-phosphanylideneamino)-(6rH)-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid methyl ester (61112-56-9) + dimethyl acetylenedicarboxylate (762-42-5) → ((6R)-2-methoxycarbonyl-3-methyl-8-oxo-(6rH)-5-thia-1-aza-bicyclo[4.2.0]oct-2-en-7t-ylimino)-(triphenyl-λ5-phosphanylidene)-succinic acid dimethyl ester (64554-54-7)

Guidance literature:

In dichloromethane; Ambient temperature;

upstream raw materials:

7-amino(deacetoxy)cephalosporanic acid methyl ester

triphenylphosphine

Downstream raw materials:

(6R)-7ξ-diphenylvinylideneamino-3-methyl-8-oxo-(6rH)-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid methyl ester

((6R)-2-methoxycarbonyl-3-methyl-8-oxo-(6rH)-5-thia-1-aza-bicyclo[4.2.0]oct-2-en-7t-ylimino)-(triphenyl-λ⁵-phosphanylidene)-succinic acid dimethyl ester

(6R)-7t-diphenylvinylideneamino-7c-methoxy-3-methyl-8-oxo-(6rH)-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid methyl ester

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