630-71-7Relevant academic research and scientific papers
METHOD FOR PRODUCING TRIFLUOROMETHYL GROUP-CONTAINING ALCOHOLS
-
Paragraph 0029-0031; 0033-0035, (2017/02/02)
PROBLEM TO BE SOLVED: To provide a method for producing CF3 group-containing alcohols useful as production intermediates for medicines and agrochemicals. SOLUTION: The method for producing CF3 group-containing alcohols represented by formula (2) comprises
Organocatalyzed Trifluoromethylation of Ketones and Sulfonyl Fluorides by Fluoroform under a Superbase System
Okusu, Satoshi,Hirano, Kazuki,Tokunaga, Etsuko,Shibata, Norio
, p. 581 - 585 (2015/10/20)
Fluoroform (HCF3, HFC-23) is a side product in the manufacture of polytetrafluoroethylene (Teflon). Despite its attractive properties, taming HCF3 for trifluoromethylation is quite problematic owing to its low acidity and the labilit
A sterically demanding organo-superbase avoids decomposition of a naked trifluoromethyl carbanion directly generated from fluoroform
Kawai, Hiroyuki,Yuan, Zhe,Tokunaga, Etsuko,Shibata, Norio
supporting information, p. 1446 - 1450 (2013/05/09)
A simple strategy avoiding the decomposition of a naked trifluoromethyl anion to difluorocarbene by a sterically very demanding organo-superbase without the help of a trifluoromethyl anion reservoir such as DMF is reported. The direct non-metallic trifluoromethylation of carbonyl compounds using fluoroform in the presence of t-Bu-P4 base afforded trifluoromethyl alcohols in high yields.
Alkoxide-induced nucleophilic trifluoromethylation using diethyl trifluoromethylphosphonate
Cherkupally, Prabhakar,Beier, Petr
experimental part, p. 252 - 255 (2010/03/24)
A novel alkoxide-induced nucleophilic trifluoromethylation of carbonyl compounds, disulfides, and diselenides using diethyl trifluoromethylphosphonate is presented. In these reactions diethyl trifluoromethylphosphonate acts as a [CF3-] synthon.
The rhodium-catalysed 1,2-addition of arylboronic acids to aldehydes and ketones with sulfonated S-Phos
White, James R.,Price, Gareth J.,Plucinski, Pawel K.,Frost, Christopher G.
supporting information; experimental part, p. 7365 - 7368 (2010/03/03)
The rhodium-catalysed 1,2-addition of arylboronic acids to aryl aldehydes has been accomplished in high yield using sulfonated S-Phos, a water-soluble biaryl phosphine ligand which allows for catalyst recycling. The catalytic protocol has also been successful in the challenging arylation of ketones.
Alkoxide- and hydroxide-induced nucleophilic trifluoromethylation using trifluoromethyl sulfone or sulfoxide
Prakash, G. K. Surya,Hu, Jinbo,Olah, George A.
, p. 3253 - 3256 (2007/10/03)
(Matrix presented) The first alkoxide- and hydroxide-induced nucleophilic trifluoromethylation of carbonyl compounds, disulfides, and other electrophiles, using phenyl trifluoromethyl sulfone 1a (sulfoxide 1b) is reported. The trifluoromethyl sulfone 1a or sulfoxide 1b acts as a CF3 - synthon. Both sulfone 1a and sulfoxide 1b are commercially available and can also be conveniently prepared from trifluoromethane. The new methodology provides a convenient route for efficient trifluoromethylation.
Substituent Effects on the Solvolysis of 1,1-Diphenyl-2,2,2-trifluoroethyl Tosylates: Comparison between Symmetrically Disubstituted and Monosubstituted Systems
Fujio, Mizue,Morimoto, Hiroshi,Kim, Hyun-Joong,Tsuno, Yuho
, p. 1403 - 1411 (2007/10/03)
The solvolysis rates of 1-(substituted phenyl)-1-phenyl-2,2,2-trifluoroethyl and 1,1-bis(substituted phenyl)-2,2,2-trifluoroethyl tosylates or bromides were conductimetrically measured at 25.0 °C in 80% aqueous ethanol. The substituent effects on these so
