Anti-inflammatory products derived from methylenediphosphodinic acid and their preparation process.

摘要

The present invention relates to products of the formula IMAGE (I) where R1 is H or alkyl, n is an integer from 0 to 10, and R2 is chosen from amongst H, unsubstituted or substituted alkyl radicals, a IMAGE group, a substituted or unsubstituted phenyl radical, a IMAGE group, where X is oxygen or sulfur, or a heterocyclic radical with 5 or 6 members, which may or may not be fused to a benzene ring and R3 is H or OH. The present invention also relates to a process for the preparation of the products of the formula (I), and to the drugs, having in particular an anti-inflammatory effect, containing a product of formula (I).