WebMay 26, 2024 · Here we report the synthesis and application of trifluoromethyl thianthrenium triflate (TT-CF 3 + OTf-) as a novel trifluoromethylating reagent, which is conveniently … Preparation of the trifluoromethyltrimethylsilane was reported by Ingo Ruppert in 1984. In 1989, Prakash and Olah first reported activation of TMSCF3 by fluoride to perform nucleophilic trifluoromethylation of carbonyl compounds. In the same year, Stahly described similar reactions for the synthesis of trifluoromethylated phenols and anilines. Since then TMSCF3 has been widely …
熊德彩-北京大学-论文-全球学者库
WebMay 14, 2024 · Hence, the exploration of new cost-effective and atom-economic trifluoromethylation methods using easily available trifluoromethylation reagents in bulk … WebJun 25, 2010 · A palladium-catalyzed trifluoromethylation of aryl halides has the potential to overcome these limitations: The use of a trifluoromethyl source as a transmetalating … カシオ dqd-70j 取扱説明書
Trifluoromethylation of aniline - Big Chemical Encyclopedia
WebDec 12, 2011 · A method for the palladium-catalyzed trifluoromethylation of cyclohexenyl sulfonates has been developed. Various cyclohexenyl triflates and nonaflates underwent … WebAug 11, 2024 · In this study, the potential of 1-(difluoromethyl)-3-methyl-4-phenyl-1H-1,2,3-triazol-3-ium triflate as precursor for the synthesis of the [18 F]trifluoromethylation … WebWhile, a flexible access of trifluoromethylation of electron-rich non-terminal styrenes was described by Guo and co-workers (Scheme 2). 9 This methodology disclosed the efficient … pati cariño