期刊
TETRAHEDRON LETTERS
卷 50, 期 33, 页码 4696-4699出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2009.06.011
关键词
Allenes; Gold catalysis; Heterocyclization; Hydroamination; Imidazolidinones
资金
- Ministero dell'Universita e della Ricerca [Prin 2006-2008]
An efficient gold-catalyzed procedure for the preparation of 2-vinylimidazolidinones has been developed. The starting materials for the synthesis of these compounds are alpha-amino allenamides which undergo heterocyclization by means of nucleophilic attack of the amino group on the inside double bond of the 1,2-diene moiety. This is the first example of a gold-catalyzed cyclization on allene substrates bearing an amido group which, however, resulted inactive. (C) 2009 Elsevier Ltd. All rights reserved.
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