Cephem compounds and processes for preparation thereof

Details Cephem compounds and processes for preparation thereof Cephem compounds and processes for preparation thereof

1984-01-13

1986-01-07

Lesmes, George F.

Organic compounds -- part of the class 532-570 series

Organic compounds

Nitrogen attached directly or indirectly to the purine ring...

544 26, 544 27, C07D40306

Patent

active

045635242

ABSTRACT:
The invention relates to novel intermediates for preparing novel cephem compounds of high antimicrobial activity, the intermediates being of the formula: ##STR1## wherein A is lower alkylene which may have an oxo group;

REFERENCES:
patent: 4220644 (1980-09-01), Berges
patent: 4372953 (1983-02-01), Uchida et al.
patent: 4443443 (1984-04-01), Ueda et al.

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