期刊
CHEMCATCHEM
卷 6, 期 6, 页码 1679-1683出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cctc.201400014
关键词
copper; fused-ring systems; homogeneous catalysis; nitrogen heterocycles; ring expansion
资金
- National Basic Research Program of China [2013CB328905]
- National Natural Science Foundation of China [21372025, 21172017]
A chemospecific intramolecular Buchner reaction of N-benzyl-2-cyano-2-diazoacetamides catalyzed by inexpensive copper(II) acetylacetonate (acac) has been achieved to synthesize a variety of 9-aza-1-cyanobicyclo[5.3.0]deca-2,4,6-trien-10-ones, 5,7-bi-cyclic products. The methodology involves sole chemoselectivity, an inexpensive metal catalyst, broad substrate scope, and moderate to excellent yields.
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