Heterocyclic bisphosphonic acid derivatives

Details Heterocyclic bisphosphonic acid derivatives Heterocyclic bisphosphonic acid derivatives

1989-08-07

1991-02-05

Shah, Mukund J.

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Phosphorus containing other than solely as part of an...

546 23, C07D47104, A61K 31675

Patent

active

049905031

ABSTRACT:
A novel heterocyclic bisphosphonic acid derivatives represented by the following general formula (I): ##STR1## in which, .circle.Het means one of following (A) and (B): ##STR2## wherein a dotted line in (A) means that two adjacent atoms are bonded by a single bond or a double bond, ##STR3## wherein R.sup.6 and R.sup.7 may be the same or different, each represents a hydrogen atom, a lower alkyl group, a halogen atom or a hydroxyl group,

REFERENCES:
patent: 4503049 (1985-03-01), Biere et al.
patent: 4687767 (1987-08-01), Bosies et al.
patent: 4777163 (1988-10-01), Bosies et al.
patent: 4871720 (1989-10-01), Jaeggi

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