Synthesis of 2-diphenylphosphinoyl-3,5-(diaryl)-3,4-Dihydro-2H-thiopyran (cas 13042-80-3)s by the reaction of a bis[(diphenylphosphinoyl)methyl]sulfide with chalcones
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Add time:09/09/2019 Source:sciencedirect.com
The NaH-promoted tandem Michael addition/intramolecular Horner–Wittig reaction of bis(diphenylphosphinoylmethyl)sulfide with chalcones afforded 3,4-dihydro-2H-thiopyrans 3a–l in 78–88% yield.
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