A highly efficient and practical new PEG-bound bi-cinchona alkaloid ligand for the catalytic asymmetric aminohydroxylation of alkenes
作者:Xi-Wen Yang、Han-Quan Liu、Ming-Hua Xu、Guo-Qiang Lin
DOI:10.1016/j.tetasy.2004.05.007
日期:2004.6
A new recyclable PEG-bound bi-cinchona alkaloid ligand has been developed for homogeneous catalyticasymmetricaminohydroxylation; it can be easily recovered by precipitation and reused more than five times without any significant loss in its catalytic efficiency.