Bis(pyridylimino)isoindolato−Iridium Complexes as Epoxidation Catalysts for Alkenes
作者:José A. Camerano、Christoph Sämann、Hubert Wadepohl、Lutz H. Gade
DOI:10.1021/om1010116
日期:2011.2.14
[BPI(1a,b)}IrI(C2H4)2] (3a,b), respectively. The catalytic activity of the complexes 2a,b was tested in the epoxidation of a wide range of non-electron-rich olefins, using PPO (PPO = 3-phenyl-2-(phenylsulfonyl)-1,2-oxaziridine) as oxidizing agent, giving the corresponding epoxides in moderate to high yields.
配体1a,b(1a = 1,3-双(2-(5-(3-(3,5-二甲苯基)吡啶基)亚氨基)亚氨基)-5,6-二甲基异吲哚的钠盐的反应,1b = 1,3-双(2-(4-叔丁基吡啶基亚氨基)-5,6-二甲基异吲哚)具有[Ir(μ-Cl)(COD)] 2(COD =环辛二烯)和[Ir(μ-Cl)(C 2 H 4)2 ] 2得到相应的异吲哚并合物[BPI(1a,b)} Ir I(COD)](2a,b)和[BPI(1a,b)} Ir I(C 2 H 4)2 ](3a,b)。使用PPO(PPO = 3-苯基-2-(苯基磺酰基)-1,2-恶唑烷)作为氧化剂,在各种非富电子烯烃的环氧化中测试了配合物2a,b的催化活性,以中等至高收率得到相应的环氧化物。