REACTION OF ETHYL ACETOACETATE AND 2 '-HYDROXYCHALCONES: EFFICIENT ROUTE TO 9-ARYL-6H-BENZO[C]CHROMEN-6-ONES

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Publication Details

Author list: Masesane IB, Mazimba O

Publisher: Chemical Society of Ethiopia

Place: ADDIS ABABA

Publication year: 2014

Journal acronym: B CHEM SOC ETHIOPIA

Volume number: 28

Issue number: 2

Start page: 289

End page: 294

Number of pages: 6

ISSN: 1011-3924

Languages: English-Great Britain (EN-GB)


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Abstract

The reaction of ethyl acetoacetate and 2'-hydroxychalcones under atmospheric air to furnish a series of functionalized 6H-benzo[c]chromen-6-ones in moderate yields is reported. The reaction proceeds through trans-esterification, intra-molecular Michael addition, Robinson annulation and oxidative aromatization.


Keywords

2 '-Hydroxychalcones, 6H-Benzo[c]chromen-6-ones, Ethyl acetoacetate, Michael addition, Oxidative aromatization, Robinson annulation, Trans-esterification


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Last updated on 2021-07-05 at 03:59