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Gold-catalyzed, intramolecular, oxygen-transfer reactions of 2-alkynyl-1,5-diketones or 2-alkynyl-5-ketoesters: Scope, expansion, and mechanistic investigations on a new [4+2] cycloaddition

Abstract:

The gold-catalyzed intramolecular oxygen-transfer reactions of 2-alkynyl-1,5-diketones or 2-alkynyl-5-ketoesters-obtained from tetra-n-butylammonium fluoride mediated Michael addition of activated allenes to electron-deficient olefins-furnished cyclopentenyl ketones under very mild conditions. These reactions proceeded much easier and faster than similar reactions reported in literature, and the corresponding products were obtained in very good yields. Mechanistic investigations on the cycloi...

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Publisher copy:
10.1002/chem.201101448

Authors


Malhotra, D More by this author
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Journal:
Chemistry - A European Journal
Volume:
17
Issue:
38
Pages:
10690-10699
Publication date:
2011-09-12
DOI:
EISSN:
1521-3765
ISSN:
0947-6539
URN:
uuid:516cf125-3a55-4ffe-8c25-c0e1933f29df
Source identifiers:
179768
Local pid:
pubs:179768

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