Journal
TETRAHEDRON LETTERS
Volume 53, Issue 42, Pages 5671-5673Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2012.08.045
Keywords
Ketenimines; Cascade reactions; Carbonylation; Quinazolinones
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Funding
- National Nature Science Foundation of China [21032005, 20972137]
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A one-pot synthesis of 4(3H)-quinazolinones from terminal alkynes, sulphonyl azide, o-iodoanilines, and carbon monoxide has been developed. This cascade process includes the copper-catalyzed three-component reaction of alkyne, azide and amine, the palladium-catalyzed carbonylation, and the Lewis acid catalyzed hydrolysis of sulfonamide. (c) 2012 Elsevier Ltd. All rights reserved.
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