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HIGHLY DISATEREOSELECTIVE MICHAEL ADDITION OF FLAVANONE TO ITS CHALCONE PRECURSOR UNDER SOLVENT-FREE CONDITIONS USING MICROWAVES [POSTER]
Citation:
Varma*, R S., T. Patonay, A. Vass, A. Levai, AND J. Dudas. HIGHLY DISATEREOSELECTIVE MICHAEL ADDITION OF FLAVANONE TO ITS CHALCONE PRECURSOR UNDER SOLVENT-FREE CONDITIONS USING MICROWAVES [POSTER]. Presented at International Conference on Microwave Chemistry, Antibes, France, 09/4-7/2000.
Description:
Substituted 2'-hydroxychalcones were found to give an equilibrium mixture of the starting chalcone and the corresponding flavanone inf 4.6-1:3 ratio in the presence of DBU gave two hitherto unknown diasteromeric dimers in a highly diastereoselective Michael addition of the carbanion of flavanone to the chalcones. Trimeric products have also been isolated in some cases.
Record Details:
Record Type:DOCUMENT( PRESENTATION/ ABSTRACT)
Product Published Date:09/04/2000
Record Last Revised:06/06/2005
Record ID:
60229