期刊
PURE AND APPLIED CHEMISTRY
卷 80, 期 5, 页码 1109-1113出版社
WALTER DE GRUYTER GMBH
DOI: 10.1351/pac200880051109
关键词
asymmetric synthesis; planar-chiral; ferrocene; kinetic resolution; metathesis; enantio selective; diastereoselective; molybdenum; ruthenium
Kinetic resolution of planar-chiral 1,1'-diallylferrocene derivatives was realized by Mo- or Ru-catalyzed asymmetric ring.-closing metathesis (RCM). The Mo catalyst showed much better performance than the Ru catalyst in the present reactions, and nearly perfect resolution of the racemic ferrocenes was achieved. This is the first example of highly enantioselective metal-catalyzed methods of preparing optically active planar-chiral metallocenes.
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