394-54-7

Usage

Physical state

Colorless liquid at room temperature

Usage

Intermediate in the production of various chemicals and materials

Application

Precursor in the synthesis of pharmaceuticals, agrochemicals, and specialty chemicals

Chemical structure

Benzene ring with a trifluoroethyl group and two chlorine atoms at different positions

Hazard

Toxic and may cause irritation upon contact with skin, eyes, or respiratory system

Safety precautions

Handle with care and use appropriate protective equipment (gloves, goggles, etc.)

Upstream product

• 81577-07-3 1-chloro-4-(2,2,2-trifluoroethyl)benzene 
• 72487-06-0 1-(4-chlorophenyl)-2,2,2-trifluoroethanol 

Downstream Products

• 81577-07-3 1-chloro-4-(2,2,2-trifluoroethyl)benzene 
• 128408-33-3 C₈H₅ClF₃⁽¹⁺⁾ 
• 456-42-8 m-fluorobenzyl chloride 

Relevant academic research and scientific papers

Synthesis of Chiral α-CF3-Substituted Benzhydryls via Cross-Coupling Reaction of Aryltitanates

We describe a highly efficient approach toward α-CF3-substituted benzhydryls thanks to the employment of organotitanium(IV) based nucleophiles. The use of commercially available anesthetic halothane as a cheap fluorinated building block in a sequential one-pot nickel-catalyzed enantioselective cross-coupling reaction of aryl titanates allowed for the synthesis of chiral α-CF3-substituted benzhydryls in good yields and excellent enantioselectivities. Alternatively, α-CF3-benzyl bromides could be employed under similar conditions to obtain the same family of compounds in higher yields and excellent selectivities. A benzhydryl moiety is a common motif in many biologically active compounds, and their enantioenriched fluorinated analogs should be of great interest in the search for novel drugs and agrochemicals.

Stille cross-coupling of secondary and tertiary α-(trifluoromethyl)-benzyl chlorides with allylstannanes

A Stille cross-coupling reaction was developed that delivers for the first time trifluoromethyl-substituted homoallyl compounds from α-(trifluoromethyl)benzyl chlorides and allylstannanes. This reaction proceeds even with low catalyst loadings (1 mol%) vi

An efficient dehyrohalogenation method for the synthesis of α,β,β-trifluorostyrenes, α-chloro-β,β- difluorostyrenes and E-1-arylperfluoroalkenes

Dehydrofluorination of 1-aryl-1,2,2,2-tetrafluoroethanes (ArCHFCF 3) and 1-aryl-1-chloro-2,2,2-trifluoroethane (ArCHClCF3) using lithiumhexamethyldisilazide (LHMDS) in tetrahydrofuran (THF) at room temperature produced 1,2,2-trifluorostyrene and 1-chloro-2,2-difluorostyrene, respectively, in very good isolated yields. Dehydrofluorination of 1,2,2,3,3,3-hexafluoro-1-phenyl-propane (PhCHFCF2CF3) and 1,2,2,3,3,4,4,4-octafluoro-1-phenyl-butane (PhCHFCF2CF 2CF3) using LHMDS produced the corresponding substituted olefins (1-phenyl-1,2,3,3,3-pentafluoroprop-1-ene and 1-phenyl-1,2,3,3,4,4,4- pentafluorobut-1-ene) in good yield and high E-selectivity. Dehydrofluorination of 1-chloro-1-phenyl-2,2,3,3,3-pentafluoropropane (PhCHClCF2CF 3) and 1-chloro-1-phenyl-2,2,3,3,4,4,4-heptafluorobutane (PhCHClCF2CF2CF3) produced a mixture of the corresponding E and Z olefins (PhCClCFCF3 and PhCClCFCF 2CF3) in good yield.

MECHANISMS OF FREE-RADICAL REACTIONS. XIII. MECHANISM AND SELECTIVITY OF THE FREE-RADICAL HALOGENATION OF ALKYL AROMATIC HYDROCARBONS WITH FLUOROALKYL SUBSTITUENTS

The free-radical chlorination and bromination of 1-fluoro-2-arylethanes and 1,1,1-trifluoro-2-arylethanes was studied by the method of competing reactions.In all cases a good correalation between log krel and the Brown ?+ constants was observed.The variation of the selectivity in the transition from one reaction series to the other indicates that two independent factors which determine the reactivity (the change in the dissociation energy of the C-H bond and the polar effect of the substituents) have a simultaneous effect.