α-arylalkylamine-derived chiral stationary phases : Evaluation of urea linkages
作者： William H. Pirkle , Myung Ho Hyun
DOI: 10.1016/S0021-9673(01)97689-7
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摘要: Abstract Several urea-linked α-arylalkylamine-derived chrial stationary phases have been prepared and th performance of these has compared to that the corresponding amide-linked chiral phases. The urea linkage is found be a reasonable means connecting moiety silica support seems exert some control upon balance point between two competing recognition processes, owoing conformational rigidity polar nature linkage.
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