Novel One-pot Synthesis of Pyranocarbazole Derivatives via an Isocyanidebased Three-component Reaction

Author(s): Visarapu Malathi, Pedavenkatagari Narayana Reddy*, Pannala Padmaja*

Journal Name: Letters in Organic Chemistry

Volume 18 , Issue 9 , 2021


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Abstract:

An efficient method has been developed for the synthesis of new pyrano[3,2-c] and pyrano[3,2-a]carbazole derivatives via a three-component reaction of 4-hydroxycarbazole or 2-hydroxycarbazole, isocyanides, and dialkylacetylenedicarboxylates. Noteworthy features of this protocol include mild reaction conditions, catalyst-free, high atom-economy and high yields.

Keywords: Pyanocarbazole, hydroxycarbazole, isocyanides, dialkylacetylenedicarboxylates, carbazole, multicomponent reaction.

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Article Details

VOLUME: 18
ISSUE: 9
Year: 2021
Published on: 20 October, 2020
Page: [721 - 726]
Pages: 6
DOI: 10.2174/1570178617999201020215852
Price: $65

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