Stereoselective synthesis of heterocycles by desulfurisation of condensed thiazolidin-2-ones

Article abstract of DOI:10.1016/S0040-4020(01)96605-0

Elimination of the S atom in fused thiazolidines e.g. 7 or 9 has been investigated using three methods. Whereas LAH reduction gave the corresponding thiazolidines and H₂O₂/HCOOH oxidation the S,S-dioxides both types of compound could