- Abstract:
- [2+2] or [4+2]? Mechanistic studies on the gold-catalyzed intramolecular oxygen transfer of 2-alkynyl-1,5-diketones were performed using isotopic experiments and quantum chemical calculations. The results demonstrate that the transformation follows a [4+2] pathway instead of the previously proposed [2+2] path (see scheme). Various substrates were employed in the reaction and the corresponding products were obtained in excellent yields. Copyright © 2010 WILEY-VCH Verlag GmbH and Co. KGaA, Weinheim.
- Publication status:
- Published
- Publisher copy:
- 10.1002/anie.201005514
-
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- Journal:
- Angewandte Chemie (International ed. in English)
- Volume:
- 49
- Issue:
- 48
- Pages:
- 9132-9135
- Publication date:
- 2010-11-05
- DOI:
- EISSN:
-
1521-3773
- ISSN:
-
1433-7851
- URN:
-
uuid:426b0814-322a-471a-a7e6-da3754664ad4
- Source identifiers:
-
117661
- Local pid:
- pubs:117661
- Language:
- English
- Keywords:
- Copyright date:
- 2010
Journal article
The [4+2], not [2+2], mechanism occurs in the gold-catalyzed intramolecular oxygen transfer reaction of 2-alkynyl-1,5-diketones.
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