共 9 条
Unprecedented carbocyclization of 1,6-allenynes on addition of organoboronic acids under Pd-catalysis
被引:24
|作者:
Gupta, AK
[1
]
Rhim, CY
[1
]
Oh, CH
[1
]
机构:
[1] Hanyang Univ, Dept Chem, Sungdong Gu, Seoul 133791, South Korea
关键词:
D O I:
10.1016/j.tetlet.2005.02.020
中图分类号:
O62 [有机化学];
学科分类号:
070303 ;
081704 ;
摘要:
In contrast to the ene behavior of allenes in Pauson-Khand reactions and other cyclization reactions, 1,6-allenynes undergo unprecedented carbocyclization followed by regioselective addition of organoboronic acids in the presence of Pd(OAc)(2) and tri-t-butyl phosphine under mild reaction conditions. (c) 2005 Elsevier Ltd. All rights reserved.
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页码:2247 / 2250
页数:4
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