Generation of α-Oxo Dithioesters by Dithiolanium Ylide Cycloreversion. Synthesis of 2-Acyl-3,6-dihydro-2H-thiopyrans

DOI: 10.1021/jo01301a012

Source and publish data:

Journal of Organic Chemistry p. 2601 - 2604 (1980)

Update date:2022-08-05

Topics:

Authors:

Vedejs, E.

Arnost, M. J.

Dolphin, J. M.

Eustache, J.

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Article abstract of DOI:10.1021/jo01301a012

Methylation of 2-acyl-1,3-dithiolanes with CH3OSO2F affords sulfonium salts which undergo cycloreversion to α-oxo dithioesters RCOCS2CH3 (R=CH3,C6H5).In the presence of dienes (2,3-dimethyl-, 1-methyl-, or 1,3-dimethylbutadiene), good yields of 2-acyl-2-(

Full text of DOI:10.1021/jo01301a012

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