C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/118.5
C07D 499/80 (2006.01) C07D 499/00 (2006.01) C07D 519/00 (2006.01)
Patent
CA 1178575
P.C. (ChRe) 6358/6359 BIS-ESTERS OF METHANEDIOL WITH ACETONIDES OF AMPICILLLIN OR AMOXICILLIN AND PENICILLANIC ACID 1,1-DIOXIDE Abstract Bis-esters of methanediol wherein one hydroxy group of the methanediol is esterified with the carboxy group of hetacillin (or of the p-hydroxy analog of hetacillin) and the other hydroxy group of the methanediol is esterified with penicillanic acid 1,1-dioxide. These orally effective compounds have a particularly broad spectrum of antibacterial activity in mammals, and have an unusually long serum half- life.
399008
Crawford Thomas C.
Sklavounos Constantine
Limited Pfizer
Smart & Biggar
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