期刊
JOURNAL OF FLUORINE CHEMISTRY
卷 132, 期 3, 页码 222-225出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jfluchem.2011.01.005
关键词
Electrophilic fluorination; Fluorinating reagent; Catalytic; Enantioselective; Synthesis
资金
- KAKENHI [21390030, 22106515]
- Grants-in-Aid for Scientific Research [21390030, 22106515] Funding Source: KAKEN
We disclose here a novel electrophilic fluorinating reagent, N-fluoro-(3,5-di-tert-butyl-4-methoxy)benzenesulfonimide (NFBSI) as a sterically demanding analogue of popular fluorinating reagent, N-fluorobenzenesulfonmide (NFSI). NFBSI improves the enantioselectivity of the products as much as 18% for the cinchona alkaloid-catalyzed enantioselective fluorination of silylenol ether compared to the use of NFSI. (C) 2011 Elsevier B.V. All rights reserved.
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