Penicillin derivatives

Details Penicillin derivatives Penicillin derivatives

1983-06-06

1985-07-16

Rizzo, Nicholas S.

Drug, bio-affecting and body treating compositions

Plural fermentates of different origin

2602452R, 514 63, 514192, C07D49900, A61K 31425

Patent

active

045295921

ABSTRACT:
A penicillin derivative represented by the following formula ##STR1## wherein R.sub.1 and R.sub.2 are each the same or different and represent hydrogen, C.sub.1-18 alkyl, mononitro-substituted benzyl or group for forming a pharmaceutically acceptable salt and R.sub.3 is selected from the group consisting of hydrogen, C.sub.1-6 alkyl, C.sub.2-7 alkoxymethyl, C.sub.3-8 alkylcarbonyloxymethyl, C.sub.4-9 alkylcarbonyloxyethyl, (C.sub.5-7 cycloalkyl)carbonyloxymethyl, C.sub.9-14 benzylcarbonyloxyalkyl, C.sub.3-8 alkoxycarbonylmethyl, C.sub.4-9 alkoxycarbonylethyl, phthalidyl, crotonolacton-4-yl, .gamma.-butyrolacton-4-yl, halogenated C.sub.1-6 alkyl substituted with 1 to 3 halogen atoms, C.sub.1-6 alkoxy- or nitro-substituted or unsubstituted benzyl, benzhydryl, tetrahydropyranyl, dimethylaminoethyl, dimethylchlorosilyl, trichlorosilyl, (5-substituted C.sub.1-6 alkyl or phenyl or unsubstituted-2-oxo-1,3-dioxoden-4-yl)methyl, C.sub.8-13 benzoyloxyalkyl and group for forming a pharmaceutically acceptable salt.

REFERENCES:
patent: 4331677 (1982-05-01), Fogler et al.

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