TfNHNHBoc as a Trifluoromethylating Agent for Vicinal Difunctionalization of Terminal Alkenes

被引:68
作者
Guo, Jing-Yu [1 ]
Wu, Ruo-Xin [1 ]
Jin, Ji-Kang [1 ]
Tian, Shi-Kai [1 ]
机构
[1] Univ Sci & Technol China, Dept Chem, Hefei 230026, Anhui, Peoples R China
基金
中国国家自然科学基金;
关键词
COPPER-CATALYZED TRIFLUOROMETHYLATION; TRANSFER RADICAL-ADDITION; PRIMARY ALLYLIC AMINES; SULFONYL HYDRAZIDES; ACTIVATED ALKENES; ARYLSULFONYL HYDRAZIDES; SODIUM TRIFLUOROMETHANESULFINATE; REGIOSELECTIVE SULFENYLATION; STEREOSELECTIVE-SYNTHESIS; OXINDOLES BEARING;
D O I
10.1021/acs.orglett.6b01862
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
An unprecedented application of trifluoromethanesulfonyl hydrazides as trifluoromethylating agents has been demonstrated in two vicinal difunctionalization reactions of terminal alkenes: the copper-catalyzed three-component vicinal chlorotrifluoromethylation of arylakenes with TfNHNHBoc and NaCl and the tandem trifluorornethylation/cyclization of N-arylacrylamides with TfNHNHBoc. The reactions, proceeded in the presence of inexpensive oxidants under mild conditions and provided a range of structurally diverse trifluoromethyl-containing compounds with high regioselectivity.
引用
收藏
页码:3850 / 3853
页数:4
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