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The application of chiral ferrocenyl ligands in the enantioselective conjugate addition reactions of
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光学活性二醇(1R,2R)-(+)-1,2-二苯基-1,2-乙二醇(Ⅲa)和(2R,3R)-(-)-1,1,4,4-四苯基-2,3-(缩丙酮)-1,4-丁二醇(Ⅲb)分别修饰Ti(OPri)3Cl,再与甲基锂和乙基锂进行烷基化,制备出新的手性有机钛试剂Ⅱa和Ⅱb,然后与......