Journal of Organic Chemistry p. 2453 - 2458 (1980)
Update date:2022-07-31
Topics:
Chen, Chin H.
Reynolds, George A.
The umpolung of 2,6-diphenylthiopyrylium salts is achieved by the synthesis of the Wittig-Horner reagent of diethyl (2,6-diphenyl-4H-thiopyran-4-yl)phosphonate (7).This 4H-lithiated species is a kinetically controlled product which equilibrates to the mor
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