期刊
ADVANCED SYNTHESIS & CATALYSIS
卷 358, 期 9, 页码 1428-1432出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adsc.201501039
关键词
allenes; carbenes; [3+2] cycloaddition; diazo compounds; gold
资金
- Ministerio de Economia y Competitividad (MINECO)
- Principado de Asturias [CTQ2013-41511-P, GRUPIN14-013]
- Principado de Asturias
The reaction of N-allenamides with alkenyl diazo compounds in the presence of gold catalysts provided methylidenecyclopentene derivatives resulting from a formal intermolecular [3+2] carbocyclization, a rare process in the gold chemistry of allenes. The participation of the CC bond of the allenamide represents a very unusual regioselectivity in gold-catalyzed cycloaddition reactions of this type of allenic scaffolds. A stepwise mechanism involving initial activation of the diazo component has been proposed.
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