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Letters in Organic Chemistry

Editor-in-Chief

ISSN (Print): 1570-1786
ISSN (Online): 1875-6255

A Novel and Facile Synthesis of N-Substituted 8-hydroxybenzo[g] chromeno[4, 3-b]indol-6(13H)-ones by a Nenitzescu Reaction

Author(s): Zhiwei Chen, Xiaodong Wang and Weike Su

Volume 11 , Issue 3 , 2014

Page: [188 - 193] Pages: 6

DOI: 10.2174/15701786113106660079

Price: $65

Abstract

N-Substituted 8-hydroxybenzo[g]chromeno[4,3-b]indol-6(13H)-ones have been efficiently synthesized via a Nenitzescu reaction of naphthoquinone (or benzoquinone) and N-substituted 4-aminocoumarins in the presence of a catalytic amount of KHSO4 with a [bmim][BF4]/toluene system.

Keywords: Coumarins, Nenitzescu reaction, quinones, ionic liquid.


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