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chaoqun0451

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Recently, separation and recycling of the expensive chiral
catalysts utilizing soluble PEG (polyethylene glycol) polymer
supports have attracted a great of interest.
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chaoqun0451

Í­³æ (СÓÐÃûÆø)

Recently, separation and recycling of the expensive chiral
catalysts utilizing soluble PEG (polyethylene glycol) polymer
supports have attracted a great of interest.8 The prominent
advantage of PEG-immobilized chiral catalysts lies in that
they are soluble in organic solvents, thereby allowing the
reaction to proceed homogeneously and display similar
activities and enantioselectivities to those of the homogeneous
parent systems. The recovery of the PEG-supported catalyst
from the reaction mixture can be readily achieved by filtration,
precipitation or extraction.Ô­»°ÊÇÕâÑùµÄ£¬Èç¹ûPEG¶¼ÈÜÓÚ·´Ó¦ÌåϵÁË£¬ºóÃæÈçºÎ·ÖÀëÄØ£¬ÔõÑù»¹ÄܳÁµí£¬³éÂËÄØ
3Â¥2012-05-31 19:41:40
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