Method for preparation of cephalosporin compounds

Details Method for preparation of cephalosporin compounds Method for preparation of cephalosporin compounds

1980-11-26

1982-04-27

Couglan, Jr., Paul M.

Organic compounds -- part of the class 532-570 series

Organic compounds

Chalcogen in the nitrogen containing substituent

544 26, C07D50156

Patent

active

043272118

ABSTRACT:
A method for preparing a cephalosporin compound represented by the general formula (III) ##STR1## (wherein R represents hydrogen or methyl group) or a pharmaceutically acceptable salt thereof, which is characterized by reacting 7-amino-3-(benzimidazol-2-yl)-thiomethyl-3-cephem-4-carboxylic acid represented by the general formula (I) ##STR2## or a salt thereof with a compound represented by general formula (II) ##STR3## wherein R represents hydrogen or methyl group.

REFERENCES:
patent: 4258195 (1981-03-01), Shibuya et al.

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