Synthesis of Pyrazolo[4,3-c]quinolin-4-ones and Indolo[3,2-c]quinolin-6-ones by the Photocyclization of N-Aryl-o-chloroheteroarenecarboxamides

Shenci Lu; Wei Zhang; Jinhui Pan; Jie Zhang

doi:10.1055/s-2008-1067013

PAPER

Synthesis of Pyrazolo[4,3-c]quinolin-4-ones and Indolo[3,2-c]quinolin-6-ones by the Photocyclization of N-Aryl-o-chloroheteroarenecarboxamides

Shenci Lu, Wei Zhang*, Jinhui Pan, Jie Zhang
State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000, P. R. of China
Fax: +86(931)8625657; e-Mail: zhangwei6275@lzu.edu.cn; e-Mail: Zhang_wei6275@yahoo.com;

Abstract

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Abstract

An efficient synthesis of pyrazolo[4,3-c]quinolin-4-ones and indolo[3,2-c]quinolin-6-ones has been achieved by the photocyclization of 5-chloro-N-phenyl-1H-pyrazole-4-carboxamides and 2-chloro-N-phenyl-1H-indole-3-carboxamides in acetone.

Key words

photocyclization - pyrazolo[4,3-c]quinolin-4-one - indolo[3,2-c]quinolin-6-one - 5-chloro-N-phenyl-1H-pyrazole-4-carboxamides - 2-chloro-N-phenyl-1H-indole-3-carboxamides

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