Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal
Patent
1980-03-27
1981-10-27
Gerstl, Robert
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
C-metal
424246, 424271, 544 22, 544 25, 544 27, 544 28, 544346, C07D49904, C07D50102, C07D48704
Patent
active
042972795
ABSTRACT:
A reactive derivative of imidazolecarboxylic acid having the formula: ##STR1## is useful in preparing imidazoledicarboxylic acid derivatives of alpha-aminopenicillins and cephalosporins.
REFERENCES:
patent: 4101661 (1978-07-01), Kaltenbronn et al.
patent: 4156724 (1979-05-01), Yamada et al.
patent: 4183742 (1980-01-01), Sasse et al.
patent: 4217450 (1980-08-01), Yasuda et al.
Nakanishi Eiji
Yasuda Naohiko
Ajinomoto Co. Inc.
Clarke Vera C.
Gerstl Robert
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