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Efforts were made at obtaining good enantioselectivities in the epoxidation of simple olefins using methyltrioxorhenium(VII) (MTO) catalyst, urea-hydrogen peroxide (UHP) and six different chiral non-racemic 2-substituted pyridine ligands (four of which are completely novel). UHP was chosen as the hydrogen peroxide source to avoid unfavorable competition from water for vacant sites on the metal. The...
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