Certain cycloalkane-1,1-diphosphonic acids and derivatives there

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Phosphorus containing other than solely as part of an...

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546 23, 558161, 562 13, 562 21, C07F 938, A61K 3166

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049391313

ABSTRACT:
Novel cyclic geminal-diphosphonic acid compounds, and pharmaceutical compositions containing these compounds, which are useful for treating diseases characterized by abnormal calcium and phosphate metabolism; and a method of treating diseases characterized by abnormal calcium and phosphate metabolism utilizing these novel cyclic diphosphonic acid compounds.

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patent: 4086334 (1978-04-01), Schmidt-Dunker et al.
patent: 4104366 (1978-08-01), Schmidt-Dunker et al.
patent: 4330537 (1980-10-01), Francis
Chem. Abstracts, vol. 92, (15), Abst. No. 123,437e, Apr. 14, 1980.
Mustafa et al., Liebigs Ann. Chem., 698, 109 (1966).
Gross et al., Liebigs Ann. Chem., 707, 35 (1967).

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