Palladium-Catalyzed Intramolecular Selenocarbamoylation of Allenes with Carbamoselenoates: A New Entry to α,β-Unsaturated Lactams
作者:Masashi Toyofuku、Erika Murase、Hiroyuki Nagai、Shin-ichi Fujiwara、Tsutomu Shin-ike、Hitoshi Kuniyasu、Nobuaki Kambe
DOI:10.1002/ejoc.200900319
日期:2009.7
Pd(PPh3)4-catalyzed intramolecular selenocarbamoylation of allenes led to the regioselective formation of α,β-unsaturated five- and six-membered lactams having an allyl selenide unit. This procedure could be applied to the synthesis of the corresponding sulfur analogue by thiocarbamoylation as well as a cyclopentenone. (© Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2009)
Pd(PPh3)4 催化的丙二烯分子内硒氨基甲酰化导致具有烯丙基硒化物单元的 α,β-不饱和五元和六元内酰胺的区域选择性形成。该程序可用于通过硫代氨基甲酰化以及环戊烯酮合成相应的硫类似物。(© Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2009)