Quantitative DFT modeling of the enantiomeric excess for dioxirane-catalyzed epoxidations.
Quantitative DFT modeling of the enantiomeric excess for dioxirane-catalyzed epoxidations.
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DOI:
10.1021/ja806951r
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发表时间:
2009-03-25
影响因子:
15
通讯作者:
Friesner R
中科院分区:
文献类型:
--
作者:
Schneebeli ST;Hall ML;Breslow R;Friesner R
Herein we report the first fully quantum mechanical study of enantioselectivity for a large dataset. We show that transition state modeling at the UB3LYP-DFT/6-31G* level of theory can accurately model enantioselectivity for various dioxirane-catalyzed asymmetric epoxidations. All the synthetically useful high selectivities are successfully “predicted” by this method. Our results hint at the utility of this method to further model other asymmetric reactions and facilitate the discovery process for the experimental organic chemist. Our work suggests the possibility of using computational methods not simply to explain organic phenomena, but also to predict them quantitatively.
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