Synthesis of benzofulvenes by palladium-catalyzed cyclization of 1,2-dialkynylbenzenes

被引:41
作者
Lee, Chia-Ying [1 ]
Wu, Ming-Jung [1 ]
机构
[1] Kaohsiung Med Univ, Fac Med & Appl Chem, Kaohsiung, Taiwan
关键词
benzofulvenes; palladium; cyclization; enediynes;
D O I
10.1002/ejoc.200601029
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
A palladium-catalyzed cyclization of enediynes for the synthesis of benzofulvenes 2 in yields of 59-76% was accomplished by treatment of dialkynylbenzenes 1 with 5 mol-% of PdX2 and 3 equiv. of CuX2 in acetonitrile at 60 degrees C for 2 h. ((c) Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2007).
引用
收藏
页码:3463 / 3467
页数:5
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