C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/114.1
C07D 499/68 (2006.01)
Patent
CA 1236828
ABSTRACT OF THE DISCLOSURE Disclosed herewith is tetrabutylammonium 6-[D-(2- [1-methyl-2-methoxycarbonylvinylamino]-2-phenyl- or -2-[4- hydroxyphenyl]acetamido)]penicillanate, useful as an intermediate for producing antibacterial agents. The salt may be produced by treating 6-(2-amino-2-phenyl- or -2-[4-hydroxyphenyl]acetamido)- penicillanic acid with tetrabutylammonium hydroxide, followed by the treatement with methyl acetoacetate.
513548
Jasys Vytautas J.
Kellogg Michael S.
Pfizer Inc.
Smart & Biggar
LandOfFree
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