Iridium(III)-catalyzed alkynylation of 2-(Hetero)arylquinazolin-4-one scaffolds via C-H bond activation

TitleIridium(III)-catalyzed alkynylation of 2-(Hetero)arylquinazolin-4-one scaffolds via C-H bond activation
Publication TypeJournal Article
Year of Publication2019
AuthorsRohokale, RS, Kalshetti, RG, Ramana, CV
JournalJournal of Organic Chemistry
Volume84
Issue5
Pagination2951-2961
Date PublishedMAR
Type of ArticleArticle
ISSN0022-3263
Abstract

The directed C-H alkynylation of 2-(hetero)arylquinazolin-4-ones has been explored with the ethynylbenziodoxolone reagent TIPS-EBX employing an Ir(III) catalyst. Complementary conditions for either monoalkynylation or dialkynylation have been developed. Also demonstrated is the broad scope of this reaction and the compatibility of various functional groups such as -F, -Cl, -Br, -CF3, -OMe, -NO2, and alkyl, etc.

DOI10.1021/acs.joc.8b02738
Type of Journal (Indian or Foreign)

Foreign

Impact Factor (IF)

4.745

Divison category: 
Organic Chemistry

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