A Novel Route to Stilbenes via Cationic Cycloaromatization

DOI: 10.1055/s-1987-27919

Source and publish data:

Synthesis p. 284 - 285 (1987)

Update date:2022-08-03

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Authors:

Asokan, C. V.

Ila, H. Ila, H.

Junjappa, H.

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Article abstract of DOI:10.1055/s-1987-27919

A novel route for substituted stilbenes 3a-j is developed by cationic cycloaromatization of the corresponding (α-allyl-α-hydroxycinnamyl)-ketene dithioacetal derivatives 2a-j in the presence of ether-boron trifluoride complex.The hydroxydithioacetals 2a-j were obtained by 1,2-addition of allyl or crotyl magnesium bromide with the respective styryl β,β-bis(methylthio)vinyl ketones 1a-j.

Full text of DOI:10.1055/s-1987-27919

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