The title compounds were synthesized by taking advantage of the Martin ligand. Their structures were determined by X-ray crystallography. Pentacoordinate thiasiliranides were hydrolyzed to give the corresponding thiol...The title compounds were synthesized by taking advantage of the Martin ligand. Their structures were determined by X-ray crystallography. Pentacoordinate thiasiliranides were hydrolyzed to give the corresponding thiol. Pentacoordinate chalcogenaphosphiranes were found to have polar P-chalcogen bonds, which were confirmed by their reactions with CF3SO3Me to give the corresponding 1-(methylchalcogena)alkylphosphonium triflates and by the solvent-dependent NMR studies.展开更多
文摘The title compounds were synthesized by taking advantage of the Martin ligand. Their structures were determined by X-ray crystallography. Pentacoordinate thiasiliranides were hydrolyzed to give the corresponding thiol. Pentacoordinate chalcogenaphosphiranes were found to have polar P-chalcogen bonds, which were confirmed by their reactions with CF3SO3Me to give the corresponding 1-(methylchalcogena)alkylphosphonium triflates and by the solvent-dependent NMR studies.