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Synthesis 2010(6): 929-932  
DOI: 10.1055/s-0029-1218644
PAPER
© Georg Thieme Verlag Stuttgart ˙ New York

A Simple and Efficient Method for the Synthesis of Indolo[3,2-b]carbazoles

Mohit L. Deb, Swarup Mazumder, Biswajita Baruah, Pulak J. Bhuyan*
North East Institute of Science & Technology, Jorhat 785006, Assam, India
Fax: +91(376)2370011; e-Mail: pulak_jyoti@yahoo.com;
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Publication History

Received 13 October 2009
Publication Date:
08 January 2010 (online)

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Abstract

3-Alkylated indoles, obtained by three-component reactions of indole, aldehydes, and N,N-dimethylbarbituric acid, afford indolo[3,2-b]carbazoles in excellent yields under thermal conditions in acetic acid.

Key words

heterocycles - indoles - aldehydes - indolo[3,2-b]carbazole - N,N-dimethylbarbituric acid