Chromone Studies. Part 17. Tricyclic Scaffolds from Reactions of chromone-3-carbaldehydes and methyl vinyl ketone under Baylis–Hillman conditions

Author:

Molefe Duduzile M.1,Ganto Mlungiseleli M.1,Lobb Kevin A.1,Kaye Perry T.1

Affiliation:

1. Department of Chemistry and Centre for Chemico- and Biomedicinal Research, Rhodes University, Grahamstown, 6140, South Africa

Abstract

Reaction of a series of chromone-3-carbaldehydes with methyl vinyl ketone under Baylis–Hillman conditions, using 3-hydroxyquinuclidine in chloroform or DABCO in 1-methyl-2-pyrrolidinone, affords unprecedented tricylic chromone derivatives which, depending on the conditions, may be accompanied by the normal Baylis–Hillman products or their respective tricyclic dimers.

Publisher

SAGE Publications

Subject

General Chemistry

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