Trimethyl borate induced thermal cycloaromatization of 1-aryl-1-(prop-2-ynyl)-3,3-bis(alkylthio)-2-propen-1-ols through acetylenic oxy-Cope rearrangement

DOI: 10.1016/0040-4039(96)00395-4

Source and publish data:

Tetrahedron Letters p. 2817 - 2820 (1996)

Update date:2022-08-02

Topics:

Authors:

Gupta, Arun K.

Samal, Samir K.

Ila, Hiriyakkanavar

Junjappa, Hiriyakkanavar

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Article abstract of DOI:10.1016/0040-4039(96)00395-4

The carbinol acetals 2a-h obtained by 1,2-addition of propargylmagnesium bromide to acyclic α-oxoketene dithioacetals 1a-h undergo cycloaromatization in the presence of trimethyl borate/methanol to give 2,5-bis(alkylthio)biphenyls 4a-h through acetylenic

Full text of DOI:10.1016/0040-4039(96)00395-4

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