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1-[2-(Trifluoromethyl)benzyl]piperazine - CAS 94022-97-6

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Category
Main Product
Product Name
1-[2-(Trifluoromethyl)benzyl]piperazine
Catalog Number
94022-97-6
Synonyms
1-[[2-(trifluoromethyl)phenyl]methyl]piperazine;1-[2-(TRIFLUOROMETHYL)BENZYL]PIPERAZINE
CAS Number
94022-97-6
Molecular Weight
244.26
Molecular Formula
C12H15N2F3
COA
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MSDS
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Structure
CAS 94022-97-6 1-[2-(Trifluoromethyl)benzyl]piperazine
Specification
Purity
95%
Boiling Point
274.1ºC at 760mmHg
Density
1.189g/cm3
Reference Reading
1.Studies of the biogenic amine transporters. XI. Identification of a 1-[2-[bis(4-fluorophenyl)methoxy]ethyl]-4-(3-phenylpropyl)piperazine (GBR12909) analog that allosterically modulates the serotonin transporter.
Nightingale B1, Dersch CM, Boos TL, Greiner E, Calhoun WJ, Jacobson AE, Rice KC, Rothman RB. J Pharmacol Exp Ther. 2005 Aug;314(2):906-15. Epub 2005 Apr 28.
Previous studies identified partial inhibitors of serotonin (5-HT) transporter and dopamine transporter binding. We report here on a partial inhibitor of 5-HT transporter (SERT) binding identified among a group of 1-[2-[bis(4-fluorophenyl)methoxy]ethyl]-4-(3-phenylpropyl)piperazine analogs (4-[2-[bis(4-fluorophenyl)-methoxy]ethyl]-1-(2-trifluoromethyl-benzyl)-piperidine; TB-1-099). Membranes were prepared from rat brains or human embryonic kidney cells expressing the cloned human dopamine (hDAT), serotonin (hSERT), and norepinephrine (hNET) transporters. beta-(4'-(125)Iodophenyl)tropan-2beta-carboxylic acid methyl ester ([(125)I]RTI-55) binding and other assays followed published procedures. Using rat brain membranes, TB-1-099 weakly inhibited DAT binding (K(i) = 439 nM), was inactive at NET binding ([(3)H]nisoxetine), and partially inhibited SERT binding with an extrapolated plateau ("A" value) of 20%. Similarly, TB-1-099 partially inhibited [(125)I]RTI-55 binding to hSERT with an extrapolated plateau (A value) of 14%.
2.Synthesis of new 1-(4-methane(amino)sulfonylphenyl)-5-(4-substituted-aminomethylphenyl)-3-trifluoromethyl-1H-pyrazoles: a search for novel nitric oxide donor anti-inflammatory agents.
Abdellatif KR1, Moawad A2, Knaus EE3. Bioorg Med Chem Lett. 2014 Nov 1;24(21):5015-21. doi: 10.1016/j.bmcl.2014.09.024. Epub 2014 Sep 16.
A group of 1-(4-methane(amino)sulfonylphenyl)-5-(4-substituted-aminomethylphenyl)-3-trifluoromethyl-1H-pyrazoles (12a-f) was synthesized and evaluated as anti-inflammatory agents. While all the compounds (20mg/kg) showed significant anti-inflammatory activity after 3h of inflammation induction (69-89%) as compared to celecoxib (80%), 1-(4-methanesulfonylphenyl)-5-(4-methylaminomethylphenyl)-3-trifluoromethyl-1H-pyrazole (12 a) was found to be the most effective one (89%). The synthesis of model hybrid nitric oxide donor N-diazen-1-ium-1,2-diolate derivatives of 1-(4-methanesulfonylphenyl)-5-(4-substituted-aminomethylphenyl)-3-trifluoromethyl-1H-pyrazoles (10a-f) requires further investigation since the reaction of N-(4-(1-(4-(methylsulfonyl)phenyl)-3-(trifluoromethyl)-1H-pyrazol-5-yl)benzyl)ethanamine (12 b) or 1-(4-(1-(4-(methylsulfonyl)phenyl)-3-(trifluoromethyl)-1H-pyrazol-5-yl)benzyl)piperazine (12c) with nitric oxide furnished N-nitroso derivatives (13 and 14), respectively, rather than the desired N-diazen-1-ium-1,2-diolate derivatives (10b and 10 c).
3.Ruthenium-catalyzed anti-Markovnikov hydroamination of vinylarenes.
Utsunomiya M1, Hartwig JF. J Am Chem Soc. 2004 Mar 10;126(9):2702-3.
A ruthenium-catalyzed intermolecular, anti-Markovnikov hydroamination of vinylarenes with secondary aliphatic and benzylic amines is reported. The combination of Ru(cod)(2-methylallyl)2, 1,5-bis(diphenylphosphino)pentane, and triflic acid was the most effective catalyst of those tested. Control reactions conducted without ligand or acid did not form the amine. The reaction of morpholine, piperidine, 4-phenylpiperazine, 4-BOC-piperazine, 4-piperidone ethylene ketal, and tetrahydroisoquinoline with styrene in the presence of 5 mol % of this catalyst formed the corresponding beta-phenethylamine products in 64-96% yield, with 99% regioselectivity, and without enamine side products. Acyclic amines such as n-hexylmethylamine and N-benzylmethylamine reacted with styrene in 63 and 50% yields, respectively. Alkyl-, methoxy-, and trifluoromethyl-substituted styrenes reacted with morpholine in the presence of this catalyst or a related one containing 1,1'-bis(diisopropylphosphino)ferrocene as ligand to give the products in 51-91%.
4.Mechanism-based inactivation of cytochrome P450 2D6 by 1-[(2-ethyl-4-methyl-1H-imidazol-5-yl)methyl]- 4-[4-(trifluoromethyl)-2-pyridinyl]piperazine: kinetic characterization and evidence for apoprotein adduction.
Hutzler JM1, Steenwyk RC, Smith EB, Walker GS, Wienkers LC. Chem Res Toxicol. 2004 Feb;17(2):174-84.
The kinetics for inactivation of cytochrome P450 2D6 by (1-[(2-ethyl-4-methyl-1H-imidazol-5-yl)methyl]-4-[4-(trifluoromethyl)-2-pyridinyl]piperazine (EMTPP) were characterized, and the mechanism was determined in an effort to understand the observed time-based inactivation. Loss of dextromethorphan O-demethylase activity following coincubation with EMTPP followed pseudo-first-order kinetics and was both NADPH- and EMTPP-dependent. Inactivation was characterized by an apparent Ki of 5.5 microM with a maximal rate constant for inactivation (kinact) of 0.09 min(-1), a t1/2 of 7.7 min, and a partition ratio of approximately 99. P450 2D6 inactivation was unaffected by coincubation with exogenous nucleophiles or reactive oxygen scavengers and was protected by the competing inhibitors N-4-(trifluoromethyl)benzyl quinidinium bromide and quinidine. After a 30 min incubation with 100 microM EMTPP, dextromethorphan O-demethylase activity was decreased approximately 76%, with a disproportionate loss ( approximately 35%) in carbon monoxide binding.
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