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Application filed by Squibb & Sons IncfiledCriticalSquibb & Sons Inc
Priority to PT8406187ApriorityCriticalpatent/PT84061B/en
Publication of PT84061ApublicationCriticalpatent/PT84061A/en
Publication of PT84061BpublicationCriticalpatent/PT84061B/en
1-Sulphato-2-azetidinone derivs. of formula (I) and their salts are new. In (I), R1 and R2 = H or alkyl, or R1+R2 = (CH2)n; n = 2-6; R3 and R4 = H or 1-3C alkyl. Intermediates of formula (II), (III) and (VII) are also new.
PT8406187A1987-01-061987-01-06
PROCESS FOR THE PREPARATION OF MONO-SULFACTAMAS
PT84061B
(en)