李亚明
288

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教授

博士生导师

硕士生导师

性别:男

毕业院校:日本横滨国立大学

学位:博士

所在单位:化工学院

学科:应用化学. 精细化工. 有机化学

办公地点:大连市高新区凌工路2号大连理工大学西部新区F-412

联系方式:大连市高新区凌工路2号大连理工大学西部新区F-412 邮政编码 116024 电话:0411-84986295 电子信箱:ymli@dlut.edu.cn

电子邮箱:ymli@dlut.edu.cn

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A green and transition-metal-free light-mediated trifluoromethylation reaction of coumarins

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论文类型:期刊论文

发表时间:2018-10-01

发表刊物:JOURNAL OF FLUORINE CHEMISTRY

收录刊物:SCIE

卷号:214

页面范围:42-47

ISSN号:0022-1139

关键字:Trifluoromethylation; Coumarins; Photo-catalyzed; Transition-metal-free; Acetone; Langlois reagent

摘要:A simple, metal- and oxidant-free photo catalysis strategy for the direct trifluoromethylation of coumarins with inexpensive sodium triflinate (Langlois reagent, CF3SO2Na) as the CF3 source under xenon lamp irradiation is described. The reaction proceeds under ambient conditions and affords the corresponding products in moderate yields. The acetone can be used as low-cost radical initiator to generate CF3 radicals from sodium triflinate efficiently.