Indium Trichloride Catalysed Imino Diels-Alder Reaction of Imesatins: A Facile Synthesis of Novel Spirooxindole 1H – pyrano[2,3-c ]quinolines

Author(s): R. Raghunathan, E. Ramesh, E. Elamparuthi.

Journal Name: Letters in Organic Chemistry

Volume 5 , Issue 2 , 2008

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Abstract:

A novel method for the construction of spirooxindole via imino Diels-Alder reaction of in situ generated isatin imine with dihydropyran is reported. InCl3 efficiently catalyzes the reaction to afford cis- and trans-diastereisomers in fairly good yields.

Keywords: Indium chloride, imino Diels-Alder reaction, isatin, tetrahydroquinoline, spirooxindole

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Article Details

VOLUME: 5
ISSUE: 2
Year: 2008
Page: [82 - 86]
Pages: 5
DOI: 10.2174/157017808783743948
Price: $58

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