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52093-26-2 - Lanthanum trifluoromethanesulfonate, anhydrous, 99% - Lanthanum triflate - Trifluoromethanesulfonic acid lanthanum salt - L19657 - Alfa Aesar

L19657 Lanthanum trifluoromethanesulfonate, anhydrous, 99%

Número CAS
52093-26-2
Nombre Alternativo
Lanthanum triflate
Trifluoromethanesulfonic acid lanthanum salt

Tamaño Precio ($) Cantidad Disponibilidad
5g 36,67
25g 106,09
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Lanthanum trifluoromethanesulfonate, anhydrous, 99%

MDL
MFCD00077560

Propiedades químicas

Fórmula
C3F9LaO9S3
Peso molecular
586.10
Sensibilidad
Hygroscopic
Solubilidad
Soluble in water.

Aplicaciones

Lanthanum trifluoromethanesulfonate is used in the Aldol reaction of silyl enol ethers with aldehydes. It is an effective catalyst for the Baylis-Hillman reaction. It also catalyzes Michael additions to methyl vinyl ketone in water.

Notas

Keep the container tightly sealed. Store in a cool, dry conditions in well sealed containers. Incompatible with bases. It is hygroscopic in nature. Store under dry inert gas.

Referencias documentales

Lin-Ping Zhang.; Miao Du.; Wen-Jie Lu.; Thomas C.W. Mak. Porous coordination networks generated from lanthanum trifluoromethanesulfonate and single/mixed N-oxide spacer linkers. Polyhedron. 2004, 23 (5), 857-863.

Cristina Mas.; Ana Mantecón.; Angels Serra.; Xavier Ramis.; Josep Maria Salla. Influence of lanthanide triflate compounds on formation of networks from DGEBA and γ-butyrolactone. Journal of Polymer Science Part A: Polymer Chemistry. 2004, 42 (15), 3782-3791.

Effective catalyst for the Baylis-Hillman reaction, using 1,4-Diazabicyclo[2.2.2]octane, A14003, increasing the rate up to 40-fold: J. Org. Chem., 63, 7183 (1998). Catalyzes Michael additions to methyl vinyl ketone in water: J. Org. Chem., 71, 352 (2006). The uses of rare-earth metal triflates in organic synthesis have been reviewed by S. Kobayashi: Synlett, 689 (1994); Chem. Rev., 102, 2227 (2002).

Indicaciones de peligro y de precaución del GHS

Indicaciones de peligro (UE): H314-H318

Causes severe skin burns and eye damage. Causes serious eye damage.

Indicaciones de precaución: P260-P280-P303+P361+P353-P305+P351+P338-P301+P330+P331-P304+P340-P310-P363-P405-P501a

Do not breathe dust/fume/gas/mist/vapours/spray. Wear protective gloves/protective clothing/eye protection/face protection. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Immediately call a POISON CENTER or doctor/physician. Wash contaminated clothing before reuse. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Otras referencias

Beilstein
9009103
Clase de peligro
8
Grupo de embalaje
III
Código de tarifa arancelaria unificado
2846.90
TSCA
No

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