Applications of planar-chiral heterocycles in enantioselective catalysis: Cu(I)/bisazaferrocene-catalyzed asymmetric ring expansion of oxetanes to tetrahydrofurans
摘要:
A planar-chiral. C-2-symmetric bisazaferrocene ligand is shown to control the stereochemistry of Cu(I)-catalyzed ring expansions of oxetanes to tetrahydrofurans (C) 2001 Elsevier Science Ltd, All rights reserved.
Applications of planar-chiral heterocycles in enantioselective catalysis: Cu(I)/bisazaferrocene-catalyzed asymmetric ring expansion of oxetanes to tetrahydrofurans
作者:Michael M.-C. Lo、Gregory C. Fu
DOI:10.1016/s0040-4020(01)00082-5
日期:2001.3
A planar-chiral. C-2-symmetric bisazaferrocene ligand is shown to control the stereochemistry of Cu(I)-catalyzed ring expansions of oxetanes to tetrahydrofurans (C) 2001 Elsevier Science Ltd, All rights reserved.
A New Methodology for Efficient Construction of 2,7-Dioxabicyclo[3.3.0]octane Derivatives
作者:Katsuji Ito、Tsutomu Fukuda、Tsutomu Katsuki
DOI:10.1055/s-1997-809
日期:1997.4
A new methodology for the efficient construction of sterically complex 2,7-dioxabicyclo[3.3.0]octane derivatives was developed by using enantiospecific copper-catalyzed ring expansion of oxetane and diastereoselective lactonization in tandem.