作者:Gianpiero Cera、Michel Chiarucci、Andrea Mazzanti、Michele Mancinelli、Marco Bandini
DOI:10.1021/ol300297t
日期:2012.3.2
The synthesis of architecturally complex polycyclic fused indolines is achieved in a chemo-, regio-, and stereodefined manner, via an enantioselective gold-catalyzed cascade hydroindolination/iminium trapping synthetic sequence. Highly functionalized tetracyclic fused furoindolines (2) and dihydropyranylindolines (4) are synthesized in moderate to good yields and enantiomeric excesses of up to 87%
结构复杂的多环稠合二氢吲哚的合成是通过化学,区域和立体确定的方式,通过对映选择性金催化的级联氢化吲哚化/亚胺陷阱合成步骤完成的。高度官能化的四环稠合呋喃二氢吲哚啉(2)和二氢吡喃并二氢吲哚啉(4)以中等至良好的产率合成,对映体过量高达87%。