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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%

CAS-Nummer
52093-26-2
Synonyme
Lanthanum triflate
Trifluoromethanesulfonic acid lanthanum salt

Größe Preis ($) Menge Verfügbarkeit
5g 36,67
25g 106,09
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Lanthanum trifluoromethanesulfonate, anhydrous, 99%

MDL
MFCD00077560

Chemische Eigenschaften

Formel
C3F9LaO9S3
Molmasse
586.10
Sensitivität
Hygroscopic
Löslichkeit
Soluble in water.

Anwendungen

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.

Bemerkungen

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.

Literaturverweise

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).

GHS Gefahren- und Sicherheitshinweise

Gefahrenhinweise (EU): H314-H318

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

Sicherheitshinweise: 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.

Weitere Referenzen

Beilstein
9009103
Gefahrenklasse
8
Verpackungsgruppe
III
Harmonized Tariff Code
2846.90
TSCA
No

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