期刊
TETRAHEDRON
卷 71, 期 41, 页码 7892-7899出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tet.2015.08.016
关键词
Trifluoromethylation; Pentafluoroethylation; gem-Difluoroalkenes; (Trifluoromethyl)trimethylsilane; (Pentafluoroethyl)trimethylsilane
资金
- National Natural Science Foundation of China [21472043, 21272070]
A direct and efficient approach for the trifluoromethylation and pentafluoroethylation of 1,1-diary1-2,2-difluoroethenes with TMSCF3 and TMSCF2CF3 in the presence of TBAF was developed. The reactions proceeded smoothly under mild reaction conditions to give the corresponding monotrifluoromethylated, bistrifluoromethylated, monopentafluoroethylated and bispentafluoroethylated products in fair to good yields, respectively, without the addition of metal catalyst. (c) 2015 Elsevier Ltd. All rights reserved.
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