Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1977-05-13
1979-12-11
Wheeler, David
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
544 22, 544 24, 544 25, 544 28, C07D50132, C07D50144
Patent
active
041784456
ABSTRACT:
This invention is concerned with 7-(.alpha.-substituted glycinamido)-3-substituted methyl-3-cephem-4-carboxylic acids, derivatives and non-toxic pharmaceutical salts thereof, which possess antibacterial activity, process for preparation thereof, having the following general formula ##STR1## wherein R.sub.1, R.sub.2, and M are as defined hereinafter and particularly where R.sub.3 is hydrogen, lower alkanoyloxy or a pyridinium group.
REFERENCES:
patent: 3954734 (1976-05-01), Doub et al.
patent: 4029806 (1977-06-01), Krohn et al.
patent: 4036833 (1977-07-01), Ishimaru et al.
patent: 4092475 (1978-05-01), Breuer et al.
Horibe Susumu
Takano Tadayoshi
Fujisawa Pharmaceutical Co. Ltd.
Stemple, Jr. Dayton R.
Wheeler David
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