Abstract
A facile synthetic protocol enables the synthesis of the 4‐phosphanyl‐5‐thiophosphanoyl thiazole‐2‐thione 1 through the selective lithiation of the 5‐thiophosphanoyl thiazole‐2‐thione VIb followed by reaction with chlorodiphenylphosphane. The reaction of 1 with elemental sulfur leads to the PV/PV homochalcogenide thiazole‐2‐thione 2. The heterochalcogenide thiazole‐2‐thione 4 was obtained through the reaction of PIII/PV‐substituted thiazole‐2‐thione VIb with H2O2–urea. All compounds were characterized by 31P, 1H, and 13C NMR spectroscopy, IR spectroscopy, elemental analysis, mass spectrometry, and single‐crystal X‐ray diffraction studies.
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