Domino carbocationic rearrangement of alpha-[bis(methylthio)methylene]alkyl-2-(3/2-indolyl) cyclopropyl ketones.
Domino carbocationic rearrangement of a number of substituted 3- and 2-indolylcyclopropyl ketones with an alpha-bis(methylthio)methylene group in the presence of various protic/Lewis acids yields a variety of products, mainly the pentaleno fused indoles and the carbazole derivatives.
Yadav
A K
AK
Department of Chemistry, Indian Institute of Technology, Kanpur-208016, India.
Peruncheralathan
S
S
Ila
H
H
Junjappa
H
H