Results 101 to 110 of about 3,603 (218)

Visible-light-induced radical cascade cyclization: a catalyst-free synthetic approach to trifluoromethylated heterocycles

Beilstein Journal of Organic Chemistry
A visible-light-promoted research protocol for constructing dihydropyrido[1,2-a]indolone skeletons is herein described proceeding through a cascade cyclization mediated by trifluoromethyl radicals.
Chuan Yang, Wei Shi, Jian Tian, Lin Guo, Yating Zhao, Wujiong Xia   +5 more
doaj   +1 more source

Copper-Catalyzed Direct C–H Oxidative Trifluoromethylation of Heteroarenes

, 2016
This article describes the copper-catalyzed oxidative trifluoromethylation of heteroarenes and highly electron-deficient arenes with CF3SiMe3 through direct C–H activation.
Feng-Ling Qing (1308318), Lingling Chu (690412)   +1 more
core   +1 more source

Langlois Reagent: An Efficient Trifluoromethylation Reagent

SynOpen, 2023
K. Anusha, Megha Mahesh, Shikha Shikha, T. M. Rangarajan, Sharda Pasricha   +4 more
doaj   +1 more source

Direct C–H Trifluoromethylation of Glycals by Photoredox Catalysis

, 2015
A mild, efficient, and practical transformation for the direct C–H trifluoromethylation of glycals under visible light has been reported for the first time.
Wang, Bang, Ye, Xin-Shan, Bang Wang (525276), Xin-Shan Ye (1393843), Xiong, De-Cai, De-Cai Xiong (1393837)   +5 more
core   +1 more source

Copper-Promoted Sandmeyer Trifluoromethylation Reaction

, 2016
A copper-promoted trifluoromethylation reaction of aromatic amines is described. This transformation proceeds smoothly under mild conditions and exhibits good tolerance of many synthetically relevant functional groups. It provides an alternative approach
Jian-Jun Dai (1528255), Bin Xiao (146435), Jun Xu (45543), Jun Yi (839345), Yao Fu (386864), Zhao-Jing Liu (1856809), Chi Fang (800183), Lei Liu (5074), Xi Lu (288663)   +8 more
core   +1 more source

Silver-Mediated Oxidative Trifluoromethylation of Alcohols to Alkyl Trifluoromethyl Ethers

, 2015
The development of an efficient and practical method for the preparation of alkyl trifluoromethyl ethers is urgently demanding. The silver-mediated oxidative O-trifluoromethylation of primary, secondary, and tertiary alcohols with TMSCF3 under mild ...
Jian-Bo Liu (600620), Feng-Ling Qing (1308318), Xiu-Hua Xu (1383540)   +2 more
core   +1 more source

Copper-Catalyzed β‑Trifluoromethylation of Conjugated Hydrazones

, 2014
The Cu-catalyzed direct β-trifluoromethylation of α,β-unsaturated aldehyde N,N-dibenzylhydrazones with Togni hypervalent iodine reagent is described.
Alexis Prieto (1392310), Didier Bouyssi (1392301), Alexis Prieto, Didier Bouyssi, Prieto, Alexis, Olivier Baudoin (1574776), Nuno Monteiro (1392304), Emeric Jeamet, Monteiro, Nuno, Bouyssi, Didier, Emeric Jeamet (1433530), Jeamet, Emeric, Nuno Monteiro, Baudoin, Olivier, Olivier Baudoin   +14 more
core   +1 more source

Trifluoromethylation of α‑Haloketones

, 2016
The C–X bond (X = Br, Cl) of α-haloketones is smoothly trifluoromethylated with the fluoroform-derived CuCF3 reagent recently developed in our laboratories.
Anton Lishchynskyi (1746391), Petr Novák (1467592), Vladimir V. Grushin (1701550)   +2 more
core   +1 more source

Copper-Catalyzed β‑Trifluoromethylation of Conjugated Hydrazones

, 2016
The Cu-catalyzed direct β-trifluoromethylation of α,β-unsaturated aldehyde N,N-dibenzylhydrazones with Togni hypervalent iodine reagent is described.
Olivier Baudoin (1574776), Nuno Monteiro (1392304), Alexis Prieto (1392310), Didier Bouyssi (1392301), Emeric Jeamet (1433530)   +4 more
core   +1 more source

Trifluoromethylation of Alkenes by Visible Light Photoredox Catalysis

, 2016
A method for trifluoromethylation of alkenes has been developed employing visible light photoredox catalysis with CF3I, Ru­(Phen)3Cl2, and DBU.
Eunjin Kim (2010007), Naeem Iqbal (1740589), Sungkyu Choi (1554562), Eun Jin Cho (1554565)   +3 more
core   +1 more source