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Efficient Synthesis of Some New Spirochromens Containing Indoline Moiety
Journal article   Open access  Peer reviewed

Efficient Synthesis of Some New Spirochromens Containing Indoline Moiety

Ahmed M. El-Khawaga, Maher F. El-Zohry, Thanaa A. Mohamed and Essam M. Hussein
Heterocyclic communications, Vol.16(2-3), pp.157-162
01/01/2010
DOI: https://doi.org/10.1515/HC.2010.16.2-3.157

Abstract

Chemistry Chemistry, Organic Physical Sciences Science & Technology
2-Naphthol reacted with 3-dicyanomethylidine-1-ethyl-2-oxoindoline in absolute ethanol to afford 2-Amino-3-cyano-1'-ethylspiro{benzo[f]chromen-4,3'-indolin}-2'-one, which used as key intermediate to synthesis fused spiropolyheterocyclic derivatives of pyrimido- benzochromen and/or pyridobenzochromen nucleus incorporated indoline moiety.
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https://doi.org/10.1515/HC.2010.16.2-3.157View
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