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Synthesis 2015; 47(11): 1656-1660
DOI: 10.1055/s-0034-1380189
DOI: 10.1055/s-0034-1380189
paper
Tin(II) Chloride Catalyzed Synthesis of New Pyrazolo[5,4-b]quinolines under Solvent-Free Conditions
Further Information
Publication History
Received: 12 November 2014
Accepted after revision: 12 February 2015
Publication Date:
12 March 2015 (online)
Abstract
A series of new pyrazolo[5,4-b]quinoline derivatives were synthesized in good yields by tin(II) chloride dihydrate catalyzed cyclocondensation of 5-amino-3-(arylamino)-1H-pyrazole-4-carbonitriles with cyclohexane-1,3-dione or dimedone. The synthetic procedure can be carried out by means of simple operations under convenient solvent-free conditions.
Supporting Information
- Supporting information for this article is available online at http://dx.doi.org/10.1055/s-0034-1380189.
- Supporting Information
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