76953-97-4Relevant academic research and scientific papers
Synthesis of ethyl 5-aryl-5-(trifluoromethyl)-4,5-dihydroisoxazole-3-carboxylates, exhibiting plant growth-regulating properties
Sigan,Golubev,Belyaeva,Gorfinkel,Kagramanov,Spiridonov, Yu. Ya.,Chkanikov
, p. 99 - 103 (2019/04/25)
A convenient method for the synthesis of high-boiling-point α-(trifluoromethyl)styrenes was proposed. The regioselective synthesis of a series of ethyl 5-aryl-5-(trifluoromethyl)-4,5- dihydroisoxazole-3-carboxylates was conducted by the reaction of ethyl
β-DEUTERIUM KINETIC ISOTOPE EFFECTS IN THE SOLVOLYSIS OF 2-ARYL-1,1,1-TRIFLUORO-2-PROPYL TOSYLATES AND OF 2-ARYL-2-PROPYL p-NITROBENZOATES. EVIDENCE FOR A VARIATION OF THE CONTRIBUTION OF α-METHYL SUBSTITUENT IN STABILIZING CATIONIC REACTION CENTERS WITH DIFFERENT ELECTRON DEMAND
Liu, Kwang-Ting,Wu, Yuh Wern
, p. 3623 - 3626 (2007/10/02)
A very high β-deuterium kinetic isotope effect, k(CH3)/k(CD3)=2.13 at 60 deg C, was found for the solvolysis of 2-(3'-chlorophenyl)-1,1,1-trifluoro-2-propyl tosylate (2c) and the α-CD3 analogue (4c), and the effect decreased with increasing electron attracting of the substituent on the aromatic ring which showed the variation of the contribution of α-methyl group to the stabilization of the cationic reaction center in the transition state.
Solvolytic Studies of the Highly Deactivated 1-Aryl-1-(trifluoromethyl)ethyl Tosylates
Liu, Kwang-Ting,Kuo, Mann-Yan,Shu, Ching-Fen
, p. 211 - 215 (2007/10/02)
The rates of solvolysis of 1-aryl-1-(trifluoromethyl)ethyl tosylates 1b-i and 1-aryl-1-(trifluoromethyl)ethyl bromides 3a,b in 80percent ethanol, and of 1-phenyl- and 1-(3-chlorophenyl)-1-(trifluoromethyl)ethyl tosylates (1e and 1g) in a variety of solven
SOLVOLYSIS OF 1-ARYL-1-(TRIFLUOROMETHYL)ETHYL TOSYLATES. EVIDENCE FOR AN EXTREMELY HIGH ELECTRON DEMAND CARBENIUM ION INTERMEDIATE DUE TO THE PRESENCE OF α-TRIFLUOROMETHYL SUBSTITUENT
Liu, Kwang-Ting,Sheu, Ching-Fen
, p. 4091 - 4094 (2007/10/02)
The rate-retarding effect of α-trifluoromethyl group observed in the solvolysis of 1-aryl-1-(trifluoromethyl)ethyl tosylates is so profound that a very large negative ρ+ value, -8.82, is resulted and the 1-phenyl derivative becomes even less re
