Lewis acid induced tandem carbocationic ring opening and cyclizations of α-[bis(methylthio)methylene]ethyl-2-styrylcyclopropyl ketones and carbinols: novel approach to bicyclo[3.3.0]octene and cyclopent[a]indene frameworks

Patra, Pranab K.
Sriram, V.
Ila, H.
Junjappa, H.

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Publication date

January 1998

DOI

10.1016/S0040-4020(97)10313-1

Publisher

Elsevier BV

Abstract

α-[Bis(methylthio)methylene]ethyl-2-styrylcyclopropyl ketones 12a-d and the corresponding carbinols 19a-c have been examined under SnCl4 induced ring opening and tandem carbocationic cyclizations to afford bicyclo[3.3.0]octene and cyclopent[a]indene derivatives in highly stereoselective manner

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Lewis acid induced tandem carbocationic ring opening and cyclizations of α-[bis(methylthio)methylene]ethyl-2-styrylcyclopropyl ketones and carbinols: novel approach to bicyclo[3.3.0]octene and cyclopent[a]indene frameworks

Abstract

Extracted data

Lewis acid induced tandem carbocationic ring opening and cyclizations of α-[bis(methylthio)methylene]ethyl-2-styrylcyclopropyl ketones and carbinols: novel approach to bicyclo[3.3.0]octene and cyclopent[a]indene frameworks

Abstract

Extracted data

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