Yadav AK, Peruncheralathan S, Ila H, Junjappa H. Domino Carbocationic Rearrangement of α-[Bis(methylthio)methylene]alkyl-2-(3/2-indolyl) Cyclopropyl Ketones.
J Org Chem 2007;
72:1388-94. [PMID:
17288384 DOI:
10.1021/jo062302a]
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Abstract
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.
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