| abstract |
Novel 4-R₁-R₂-R₃-2-saccharinylmethyl, 4-R₄-4-R₅-6-R₆-4,5,6,7-tetrahydro-2-saccharinylmethyl and 4,7-C-4,5,6,7-tetrahydro-2-saccharinylmethyl phosphates, phosphonates and phosphinates of formulas I, II and IIA respectivelyn n are useful in the treatment of degenerative diseases, and compositions containing them, methods for using them to treat degenerative diseases, and processes for their preparation by reaction of the corresponding 2-halomethylsaccharins with a phosphate, phosphonate or phosphinic acidderivative. |