Organic compounds -- part of the class 532-570 series – Organic compounds – Chalcogen in the nitrogen containing substituent
Patent
1981-06-05
1982-10-12
Rizzo, Nicholas S.
Organic compounds -- part of the class 532-570 series
Organic compounds
Chalcogen in the nitrogen containing substituent
544 30, 544 22, 544 16, 424246, C07D50104
Patent
active
043540228
ABSTRACT:
A new process for preparing 3-methylenecepham compounds of the formula: ##STR1## wherein R.sup.1 is amino or a protected amino group, and
REFERENCES:
patent: 3792995 (1974-02-01), Ochiai et al.
patent: 3932393 (1976-01-01), Chauvette
Chiba Toshiyuki
Kato Masayuki
Kobayashi Masakazu
Masugi Takashi
Takaya Takao
Fujisawa Pharmaceutical Co. Ltd.
Rizzo Nicholas S.
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