Bi-functional cobalt-containing catalysts useful for making stereo specific compounds and compositions, along with methods of making, and uses thereof in the syntheses of optically pure β-lactones from aldehydes and ketene are described. Precursors, intermediates, compositions, and particular features of the use if the compositions, such as high enantiomeric selectivity, high yield and low mole percent of catalyst useful are provided.
描述了用于制备立体特异化合物和组合物的双功能含
钴催化剂,以及制备方法和在从醛和酮合成光学纯β-内酯中的用途。提供了前体、中间体、组合物以及组合物的特定特征,如高对映选择性、高产率和低催化剂摩尔百分比。