Process for preparing alkoxylated derivatives of cephalosporin c

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Other Related Categories

2602391, 544 21, C07D50102, C07D49904

Type

Patent

Status

active

Patent number

040513203

Description

ABSTRACT:
Process for preparing 7-alkoxy cephalosporins useful as intermediates for various cephalosporin or penicillin derivatives which comprises reacting 7-benzylideneaminocephem or 6-benzylideneaminopenam compounds with a halide cation-producing compound in the presence of an alcohol and a base capable of forming a salt with a phenolic hydroxyl group or converting a phenolic hydroxyl group to phenolate ion.

REFERENCES:
patent: 3843641 (1974-10-01), Christensen et al.
patent: 3867379 (1975-02-01), Dolfini et al.
patent: 4016155 (1977-04-01), Yanagisawa et al.

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