Penicillin derivatives and process for preparation of the same

Details Penicillin derivatives and process for preparation of the same Penicillin derivatives and process for preparation of the same

C - Chemistry, Metallurgy

07

D

260/111

C07D 499/00 (2006.01) C07F 7/10 (2006.01)

Patent

CA 1212939

PENICILLIN DERIVATIVES AND PROCESS FOR PREPARATION OF THE SAME ABSTRACT: A penicillin derivative represented by the following formula Image wherein R1 and R2 are each the same or different and represent hydrogen, C1-18 alkyl, mononitro-substituted benzyl or group for forming a pharmaceutically acceptable salt and R3 is selected from the group consisting of hydrogen, C1-6 alkyl, C2-7 alkoxymethyl, C3-8 alkyl- carbonyloxymethyl, C4-9 alkylcarbonyloxyethyl, (C5-7 cycloalkyl)carbonyloxymethyl, C9-14 benzylcarbonyloxy- alkyl, C3-8 alkoxycarbonylmethyl, C4-9 alkoxycarbonyl- ethyl, phthalidyl, crotonolacton-4-yl, .gamma.-butyrolacton- 4-yl, halogenated C1-6 alkyl substituted with 1 to 3 halogen atoms, C1-6 alkoxy- or nitro-substituted or unsubstituted benzyl, benzhydryl, tetrahydropyranyl, dimethylaminoethyl, dimethylchlorosilyl, trichlorosilyl, (5-substituted C1-6 alkyl or phenyl or unsubstituted- 2-oxo-1,3-dioxoden-4-yl)methyl, C8-13 benzoyloxyalkyl and group for forming a pharmaceutically acceptable salt.

429938

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