Thionation of N??(ω??Halogenoalkyl)??Substituted Amides with Lawesson's Reagent: Facile Synthesis of 4, 5??Dihydro??1, 3??thiazoles and 5, 6??Dihydro??4H??1, 3?? …

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~73%

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~49%

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~75%

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~39%

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~45%

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