Heteroaromatic annulation studies on 2-[bis(methylthio)methylene]- 1-methyl-3-oxoindole: synthesis of novel heterocyclo[b] fused indoles

Syam Kumar, U. K. ; Yadav, A. K. ; Venkatesh, C. ; Ila, H. ; Junjappa, H. (2004) Heteroaromatic annulation studies on 2-[bis(methylthio)methylene]- 1-methyl-3-oxoindole: synthesis of novel heterocyclo[b] fused indoles ARKIVOC: Online Journal of Organic Chemistry, 8 . pp. 20-27. ISSN 1424-6376

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Official URL: http://www.arkat-usa.org/get-file/20027/

Abstract

Heteroannulation of 2-[Bis(methylthio)methylene]-1-methyl-3-oxoindole with β- substituted β-lithioaminoacrylonitrile, malononitrile and guanidine has been reported to yield novel substituted pyrido[3,2-b]indoles and pyrimido[5,4-b]indole derivatives in varying yields.

Item Type:	Article
Source:	Copyright of this article belongs to Arkat-USA, Inc.
Keywords:	Oxoindole; Heterocyclization; δ-carbolines; Pyrimido[5; 4-b]indoles
ID Code:	93055
Deposited On:	08 Jun 2012 09:01
Last Modified:	19 May 2016 06:13

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