Synthesis p. 1075 - 1077 (1992)
Update date:2022-08-04
Topics:
Rao
Singh
Ila
Junjappa
A new general route for the title olefins 5 a-e, 12, 13, 8a-e and 11 a-e has been developed through nucleophilic addition of respective Grignard reagents i.e. allyl-, benzyl-, 1-(naphthylmethyl) magnesium halides to 5-aryl-1,1-bis(methylthio)pent-4-en-3-ones, 7-aryl-1,1-bis(methylthio)hepta-4,6-dien-3-ones and 9-phenyl-1,lbis(methylthio)nona-4,6,8-trien-3-one followed by cycloaromatization of the resulting 3-substituted 1,1-bis(methylthio)alken-3-ols in the presence of boron trifluoride-diethyl ether complex.
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Doi:10.1039/b106887n
(2001)Doi:10.3390/60400323
(2001)Doi:10.1021/jm010918g
(2002)Doi:10.1039/P19720002873
(1972)Doi:10.1246/bcsj.45.3149
(1972)Doi:10.1055/s-1972-21950
(1972)