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Conjugate Addition of Indole to α,β‐Unsaturated Ketones Catalyzed by Lewis Acid Immobilized on a Biorenewable Support
Author(s) -
Li BeiYao,
Zhang Miao,
Yan XinMin,
Peng YanQing
Publication year - 2010
Publication title -
journal of the chinese chemical society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.329
H-Index - 45
eISSN - 2192-6549
pISSN - 0009-4536
DOI - 10.1002/jccs.201000184
Subject(s) - chemistry , conjugate , carbonization , indole test , catalysis , solid acid , sucrose , organic chemistry , lewis acids and bases , metathesis , polymer , mathematical analysis , mathematics , adsorption , polymerization
Sulfonated carbonaceous solid acid was prepared straightforwardly from household granulated sucrose through a one‐pot carbonization—sulfonation process. The performance of this solid Brønsted acid was tested by the 1,1‐diacylation of aldehydes. Lewis acid, such as indium chloride, was supported on sucrose‐derived carbonaceous solid acid through anion metathesis and successfully applied to the conjugate addition of indole to α,β‐unsaturated ketones.