7-Methoxy cephalosporins

Details 7-Methoxy cephalosporins 7-Methoxy cephalosporins

1978-08-25

1980-10-07

Coughlan, Jr., Paul M.

Drug, bio-affecting and body treating compositions

Antigen, epitope, or other immunospecific immunoeffector

Bacterium or component thereof or substance produced by said...

544 21, A61K 31545, C07D50156

Patent

active

042268630

ABSTRACT:
A cephalosporin of the formula (I): ##STR1## wherein A is a mono- or polycyclic heteroaromatic ring containing at least one nitrogen atom as a hetero atom, which may be unsubstituted or substituted; R is a phenyl group which may be unsubstituted or substituted, a thienyl group, a furyl group, a cyclohexadienyl group or a cyclohexenyl group; X is an acetoxy group, a pyridinium group which may be unsubstituted or substituted with a methyl or carbamoyl group, a group of the formula: ##STR2## in which R.sub.1 and R.sub.2, which may be the same or different, each is a hydrogen atom or a (C.sub.1 -C.sub.4)alkyl group, or a group of the formula:

REFERENCES:
patent: 3984401 (1976-10-01), Terao et al.
patent: 3989687 (1976-11-01), Bambury et al.
patent: 4041161 (1977-08-01), Kocsis et al.
patent: 4068074 (1978-01-01), Murakami et al.
patent: 4125611 (1978-11-01), Yamada et al.

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