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52222-73-8 - 4-Trifluoromethyl-1H-pyrazole, 97% - H34396 - Alfa Aesar

H34396 4-Trifluoromethyl-1H-pyrazole, 97%

CAS-Nummer
52222-73-8
Synonyme

Größe Preis ($) Menge Verfügbarkeit
250mg 173,60
1g 622,12
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4-Trifluoromethyl-1H-pyrazole, 97%

MDL
MFCD11226572

Chemische Eigenschaften

Formel
C4H3F3N2
Molmasse
136.10
Schmelzpunkt
76-78°

Anwendungen

It is used as pharmaceutical intermediates. The palladium-catalyzed cross-coupling reactions of 5-tributylstannyl-4-fluoro-1H-pyrazole with aryl iodides provided high yields of the corresponding 5-aryl-4-fluoro-1H-pyrazoles.

Bemerkungen

Incompatible with strong oxidizing agents. Store at room temperature.

Literaturverweise

Takeshi Hanamotoa.; Takao Suetake.; Yukinori Koga.; Toshio Kawanami.; Hiroshi Furuno.; Junji Inanag. Synthesis and reactions of 5-tributylstannyl-4-fluoro-1H-pyrazole.Tetrahedron. 2007, 63 (23), 5062-5070.

Rukkiat Jitchati.; Andrei S. Batsanov.; Martin R. Bryce. N-Arylation of nitrogen heterocycles with 2,4-difluoroiodobenzene. Tetrahedron. 2009, 65 (4), 855-861.

GHS Gefahren- und Sicherheitshinweise

Gefahrenhinweise (EU): H315-H319-H335

Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.

Sicherheitshinweise: P261-P280-P305+P351+P338-P304+P340-P362-P312-P321-P405-P403+P233-P501a

Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves/protective clothing/eye protection/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Take off contaminated clothing and wash before reuse. Call a POISON CENTER or doctor/physician if you feel unwell. Specific treatment (see label). Store locked up. Store in a well-ventilated place. Keep container tightly closed. Dispose of contents/container in accordance with local/regional/national/international regulations.

Weitere Referenzen

Harmonized Tariff Code
2933.19
TSCA
No

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