The title compound (C9H4Cl3NO2S), commonly known as Folpet, belongs to a group of phthalimides which function as fungicides or can be used in the laboratory as sulfurizing agents. The phthalimide moiety is slightly folded with a dihedral angle of 3.5 (4)°. The molecule participates in C—H⋯O and Cl⋯Cl intermolecular interactions.
Synthesis of Spiro Thiopyrano[2,3-d]thiazolidines. -A homo coupling reaction after treatment of the 4-oxo-thioxo-1,3-thiazolidines (I) with Lawesson reagent leads to title compounds (II). Structure elucidation including X-ray analysis and a discussion of the reaction mechanism are given. -(ELGAZWY*, A.-S. S. H.; ATALLAH, S. R. M.; YASINZAI, M.; MANDEL, S. M.; BAUER, J. A. K.; Mendeleev Commun.
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