406228
3-(Trifluoromethyl)pyrazole
99%
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About This Item
Empirical Formula (Hill Notation):
C4H3F3N2
CAS Number:
Molecular Weight:
136.08
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
MDL number:
Beilstein/REAXYS Number:
1564179
Assay:
99%
InChI
1S/C4H3F3N2/c5-4(6,7)3-1-2-8-9-3/h1-2H,(H,8,9)
SMILES string
FC(F)(F)c1cc[nH]n1
InChI key
PYXNITNKYBLBMW-UHFFFAOYSA-N
assay
99%
bp
70 °C/2 mmHg (lit.)
mp
45-47 °C (lit.)
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Application
3-(Trifluoromethyl)pyrazole may be used in copper-catalyzed pyrazole N-arylation. It may be used in the synthesis of sodium hydridotris(1H-3-trifluoromethylpyrazol-1-yl)borate by heating with sodium borohydride.
General description
3-(Trifluoromethyl)pyrazoles is a heterocyclic building block. It undergoes alkylation with alkyl iodides in DMF to afford the N-alkyl pyrazoles. It participates in the synthesis of disubstituted pyrimidines.
signalword
Warning
hcodes
Hazard Classifications
Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
target_organs
Respiratory system
Storage Class
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Gloves
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Mild Conditions for Copper-Catalysed N-Arylation of Pyrazoles.
Cristau HJ, et al.
European Journal of Organic Chemistry, 4, 695-709 (2004)
The effect of the 3-trifluoromethyl substituent in polypyrazolylborato complexes on the iron(II) spin state; X-ray diffraction and absorption and Mossbauer studies.
Cecchi P, et al.
Inorgorganica Chimica Acta, 318(1), 67-76 (2001)
[A simple method for the direct preparation of O2,3'-cyclo-2'-desoxynucleosides].
G Kowollik et al.
Tetrahedron letters, 44(44), 3863-3865 (1969-09-01)
Wei Zhang
Organic letters, 5(7), 1011-1013 (2003-03-28)
[reaction: see text] The fluorous synthesis of disubstituted pyrimidines is carried out by attaching 2,4-dichloro-6-methylpyrimidine with 1H,1H,2H,2H-perfluorodecanethiol. The tagged substrate is substituted with 3-(trifluoromethyl)pyrazole followed by thioether oxidation and tag displacement with amines or thiols. The fluorous chain serves as
Yan Cai et al.
Life sciences, 221, 135-142 (2019-02-08)
Bitter taste receptor (TAS2R) agonists have bronchodilatory potentials. Erythromycin is a ligand of TAS2R10, but its relaxant profile is unknown. This study was performed to understand the relaxant effects of erythromycin and its potential mechanism. Airway resistance was tested by
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