1391722-22-7Relevant articles and documents
Preparation of (E)-4-aryl-1,1,1-trifluoro-3-tosylbut-3-en-2-ones as fluorinated building blocks and their application in ready and highly stereoselective routes to trans-2,3-dihydrofurans substituted with trifluoromethyl and sulfonyl groups
Yu, Haigang,Han, Jing,Chen, Jie,Deng, Hongmei,Shao, Min,Zhang, Hui,Cao, Weiguo
, p. 3142 - 3150 (2012)
(E)-4-Aryl-1,1,1-trifluoro-3-tosylbut-3-en-2-one fluorinated building blocks were prepared through a two-step process. Treatment of these (E)-4-aryl-1,1,1-trifluoro-3-tosylbut-3-en-2-ones with arsonium bromides in the presence of Cs2CO3/s