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1109-15-5 - Tris(pentafluorophenyl)borane, 97% - Perfluorotriphenylborane - L18054 - Alfa Aesar

L18054 Tris(pentafluorophenyl)borane, 97%

Número CAS
1109-15-5
Nombre Alternativo
Perfluorotriphenylborane

Tamaño Precio ($) Cantidad Disponibilidad
1g 156,56
5g 448,05
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Tris(pentafluorophenyl)borane, 97%

MDL
MFCD00269813

Propiedades químicas

Fórmula
C18BF15
Peso molecular
511.99
Punto de fusión
126-130°
Sensibilidad
Moisture Sensitive
Solubilidad
Soluble in hexane, chloroform, dichloromethane, toluene, and polar solvents.

Aplicaciones

Tris(pentafluorophenyl)borane is used as an excellent activator component in homogeneous Ziegler-Natta chemistry. It is also used as a catalyst for reductions, alkylations, hydrometallation reactions and catalyzed aldol-type reactions. It is a useful Lewis acid and catalyzes hydrosilylation of aldehydes. Further, it is used in olefin polymerization catalysis. It serves as a reagent in the preparation of organometallic complexes. In addition to this, it is useful as polymerization catalysts and used to study the heterolytic cleavage of dihydrogen in associated with tri-tert-butylphosphine.

Notas

Moisture sensitive. Incompatible with strong oxidizing agents and trimethylaluminum.

Referencias documentales

Air-stable, water-tolerant Lewis acid; for a review, see: Chem. Soc. Rev., 26, 345 (1997). Introduced by Yamamoto as a catalyst (2 mol%) for aldol condensations between silyl enol ethers and aldehydes under extremely mild conditions at temperatures between -78o and ambient. Also effective for Michael additions of silyl enol ethers with enones: Synlett, 577 (1993). Low-temperature condensation of ester enol silanes with imines provides a route to ß-amino esters: Synlett, 963 (1994). Superior catalyst to TBAF for O-silylation with trialkyl or triaryl silanes. Alcohols and phenols are silylated using 2-8 mol% catalyst, with secondary and tertiary alcohols reacting faster than primary: J. Org. Chem., 64, 4887 (1999). Effective catalyst for reduction with Triethyl­silane, A10320 , of alcohols and ethers to alkyls: Tetrahedron Lett., 40, 8919 (1999). Catalyst for highly efficient hydrosilylation of olefins with silanes R3SiH: J. Org. Chem., 67, 1936 (2002).

Catalyst for regioselective rearrangement of epoxides to carbonyl compounds: Synlett., 721 (1995), and efficient cleavage of epoxides with allyl and propargyl alcohols, amines and thiols: Tetrahedron Lett., 43, 381 (2002).

Wang, Q.; Zheng, D.; McKinnon, M. E.; Yang, X. Q.; Qu, D. Kinetic investigation of catalytic disproportionation of superoxide ions in the non-aqueous electrolyte used in Li-air batteries. J. Power Sources 2015, 274, 1005-1008.

Ren, X.; Li, G.; Wei, S.; Du, H. Facile Development of Chiral Alkenylboranes from Chiral Diynes for Asymmetric Hydrogenation of Silyl Enol Ethers. Org. Lett. 2015, 17 (4), 990-993.

Indicaciones de peligro y de precaución del GHS

Indicaciones de peligro (UE): H301-H315-H319-H335-H400-H410

Toxic if swallowed. Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Very toxic to aquatic life. Very toxic to aquatic life with long lasting effects.

Indicaciones de precaución: P261-P273-P280-P301+P310-P305+P351+P338-P304+P340-P362-P312-P405-P501a

Avoid breathing dust/fume/gas/mist/vapours/spray. Avoid release to the environment. Wear protective gloves/protective clothing/eye protection/face protection. IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. 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. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Otras referencias

Merck
14,9755
Beilstein
2931347
Clase de peligro
6.1
Grupo de embalaje
III
Código de tarifa arancelaria unificado
2931.90
TSCA
Yes

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