Pharmaceutical compositions substituted aminomethylenebis(phosph

Details Pharmaceutical compositions substituted aminomethylenebis(phosph Pharmaceutical compositions substituted aminomethylenebis(phosph

1990-03-16

1991-05-07

Raymond, Richard L.

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

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

514 95, 514102, A61K 3166, A61K 31665, A61K 3167

Patent

active

050137255

ABSTRACT:
Substituted aminomethylenebis(phosphonic acid) derivatives represented by the general formula: ##STR1## in which R.sup.1, R.sup.2, R.sup.3 and R.sup.4 may be the same or different, each represents a hydrogen atom or a lower alkyl group; "m" is zero or represents an integer from 1 to 4; and a ring "A" represents a cycloalkenyl group having 5 to 8 carbon atoms, a bicycloheptyl group, a bicycloheptenyl group or a saturated heterocyclic group having 4 to 7 carbon atoms and containing an oxygen atom, a sulfur atom, a sulfinyl group (--SO--) or a sulfonyl group (--SO.sub.2 --), or pharmaceutically acceptable salts thereof.

REFERENCES:
patent: 4933472 (1990-06-01), Isomura et al.

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