Diphosphonate derivatives

Details Diphosphonate derivatives Diphosphonate derivatives

C - Chemistry, Metallurgy

07

F

260/458.3

C07F 9/40 (2006.01) A61K 31/66 (2006.01) C07F 9/38 (2006.01)

Patent

CA 1148561

ABSTRACT OF THE DISCLOSURE: This invention relates to new diphosphonate compounds of formula (I) Image (I) where X is H or OH; m is zero or 1, but when m is 1, then X is H; R is CH3 or C2H5 but when m is zero and X is OH and when m is 1 and X is H then R is only CH3 and A is selected from the group comprising Image , Image , Image , Image and Image where n is an integer from 1 to 6 and Y is H, CH3 or Cl, but when A is Image then m is zero and X is OH and m is 1 and X is H and Y' is CH3 or Cl.

345549

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