C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/518, 260/539
C07D 265/12 (2006.01) C07C 101/14 (1980.01)
Patent
CA 1087184
ABSTRACT There are described acids of the formula Image (I) wherein R and R1 are, independently, hydrogen or lower alkyl; X is hydrogen or methyl; Z is an amino group or an amino group protected with a removable blocking group and n is an integer from 1 to 5, and when n is 3 R2 is hydrogen, their salts and their derivatives useful as acylating agents for introducing the acyl group of the acid. The compounds are useful for the preparation of 6-[2-(1-aminocycloalkyl)acetamido-penicillanic acids end their salts which are anti-bacterial agents. The amino acids are prepared by hydrolysis of a B-lactam of formula Image where R, R1, R2 and n are as defined above. - 1 -
159027
Alburn Harvey E.
Garber Jan. R.
Mcgregor William H.
American Home Products Corporation
Ridout & Maybee Llp
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