Organic compounds -- part of the class 532-570 series – Organic compounds – Chalcogen in the nitrogen containing substituent
Patent
1978-06-19
1980-12-30
Coughlan, Jr., Paul M.
Organic compounds -- part of the class 532-570 series
Organic compounds
Chalcogen in the nitrogen containing substituent
424246, 544 25, 544 28, C07D50156
Patent
active
042425107
ABSTRACT:
Cephalosporin compounds of the formula (I): ##STR1## wherein R.sup.1 is a group of the formula: ##STR2## in which X is sulfur, oxygen or substituted or unsubstituted imino,
REFERENCES:
patent: 4095021 (1978-06-01), Bradshaw et al.
patent: 4098888 (1978-07-01), Ochiai et al.
Masugi Takashi
Ogino Takashi
Takaya Takao
Tsuji Kiyoshi
Coughlan, Jr. Paul M.
Fujisawa Pharmaceutical Co. Ltd.
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