Lewis Acid Catalyzed Rearrangement of Vinylcyclopropenes for the Construction of Naphthalene and Indene Skeletons
作者:Li-Xiong Shao、Yun-Peng Zhang、Ming-Hui Qi、Min Shi
DOI:10.1021/ol0626746
日期:2007.1.1
[reaction: see text] The choice of Lewis acid catalyst can result in dramatic differences in the chemoselectivity of the rearrangement reactions of vinylcyclopropenes. When BF3.OEt2 was used as the catalyst, naphthalenes were formed. However, when Cu(OTf)2 was used as the catalyst, indenes were obtained.
[反应:见正文]
路易斯酸催化剂的选择会导致
乙烯基环
丙烯重排反应的
化学选择性发生显着差异。当
BF3.OEt2用作
催化剂时,形成
萘。然而,当使用Cu(OTf)2作为
催化剂时,获得了
茚并。