Nonlinear effects in asymmetric synthesis. Examples in asymmetric oxidation and in asymmetric aldolization reactions, J. Am. Chem. Soc. 108,2353-2357
摘要:
It has been shown in three experiments that there is a strong departure from the linear relationship usually assumed between the enantiomeric excess of a chiral auxiliary and the extent of the asymmetric synthesis. This gives useful information on the reaction mechanisms. Asymmetric oxidation of methyl p-tolyl sulfide or asymmetric epoxidation of geraniol in the presence of various chiral titanium complexes, as well as the proline-catalyzed Hajos-Parrish reaction, is investigated in detail.
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DOI:
10.1021/ja00269a036
被引量:
年份:
1986
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