Volume 43, Issue 4 pp. 1057-1063
Article

Convenient synthesis of some 2-substituted 4(3H)-quinazolinone derivatives

I. Philipova

I. Philipova

Institute of Organic Chemistry with Centre of Phytochemistry, Bulgarian Academy of Sciences, Acad. G. Bonchev str., Block 9, 1113 Sofia, Bulgaria

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G. Dobrikov

G. Dobrikov

Institute of Organic Chemistry with Centre of Phytochemistry, Bulgarian Academy of Sciences, Acad. G. Bonchev str., Block 9, 1113 Sofia, Bulgaria

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K. Krumova

K. Krumova

Institute of Organic Chemistry with Centre of Phytochemistry, Bulgarian Academy of Sciences, Acad. G. Bonchev str., Block 9, 1113 Sofia, Bulgaria

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J. Kaneti

J. Kaneti

Institute of Organic Chemistry with Centre of Phytochemistry, Bulgarian Academy of Sciences, Acad. G. Bonchev str., Block 9, 1113 Sofia, Bulgaria

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First published: 13 March 2009
Citations: 15

Abstract

chemical structure image

A series of 2-substituted-4(3H)-quinazolinones 13-20 has been synthesized in good yields using the reaction of double lithiated 2-methylquinazolinone-4 with a variety of aromatic aldehydes. They have been easily transformed in high yields into the corresponding 2-substituted conjugated derivatives 21-28 bearing terminal aryl groups by F3CCOOH mediated dehydration.

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