期刊
CHEMISTRY-AN ASIAN JOURNAL
卷 6, 期 2, 页码 482-486出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/asia.201000557
关键词
carbenes; cyclization; density functional calculations; enynes; gold
资金
- MICINN [CTQ2010-16088/BQU, CSD2006-0003]
- AGAUR [2009 SGR 47]
- ICIQ Foundation
Theoretical and experimental studies on the gold(I)-catalyzed formal [4+2] cycloaddition of dienynes are consistent with a mechanism that proceeds by means of cyclopropyl gold(I) carbenes instead of simple carbocations. This work shows that homoallylic stabilization is significant even for systems in which the tertiary carbocation is stabilized by two methyl groups.
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