Mechanism of one oxygen atom transfer from oxo (salen) manganese (V) complex to olefins
T Hamada, T Fukuda, H Imanishi, T Katsuki
Index: Hamada; Fukuda; Imanishi; Katsuki Tetrahedron, 1996 , vol. 52, # 2 p. 515 - 530
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Citation Number: 148
Abstract
In the Mn-salen catalyzed asymmetric epoxidation of some olefins, non-linear relationship between reaction temperature and enantioselectivity was observed. For example, the epoxidation of 1, 3-cycloalkadiene with complex 3a as a catalyst showed the maximum enantioselectivity at 0° C. It was also found that the electronic nature of the aromatic substituent in the salen ligand affects enantioselectivity but its effect does not necessarily ...
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