Autorizzo l’utilizzo di cookies.

Accetto Utilizziamo cookies per migliorare il nostro servizio e realizzare statistiche. Questa funzione puó essere disattivata cambiando la configurazione del browser. Continuando a navigare senza modificare questi parametri, consideriamo che l’uso di cookies sia accettato

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

L19657 Lanthanum trifluoromethanesulfonate, anhydrous, 99%

Codice CAS
52093-26-2
Sinonimi
Lanthanum triflate
Trifluoromethanesulfonic acid lanthanum salt

Dimensioni Prezzo ($) Quantità Disponibilità
5g 36,30
25g 105,00
Aggiungi al carrello Aggiungi al preventivo generale Visualizza articolo

Lanthanum trifluoromethanesulfonate, anhydrous, 99%

MDL
MFCD00077560

Proprietà chimiche

Formula
C3F9LaO9S3
Peso formula
586.10
Sensibilità
Hygroscopic
Solubilità
Soluble in water.

Applicazioni

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.

Note

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.

Letteratura

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).

Rischio GHS e dichiarazioni precauzionali

Dichiarazioni di rischio (UE): H314-H318

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

Dichiarazioni precauzionali: P260u-P201-P280i-P304+P340-P405-P501a

Obtain special instructions before use. Wear eye/face protection. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Altri riferimenti

Beilstein
9009103
Classe di rischio
8
Gruppo di imballaggio
III
Codice tariffe armonizzato
2846.90
TSCA
No

Raccomandato

  • A13450

    1,3-Diphenyl-1,3-propanedione, 98+%
  • L14143

    2,6-Di-tert-butyl-4-methylpyridine, 97%
  • L20251

    Cerium(III) trifluoromethanesulfonate, 98%
  • 12915

    Lanthanum(III) nitrate hexahydrate, 99.9% (REO)
  • 40315

    Yttrium(III) trifluoromethanesulfonate hydrate

Visualizzati di recente

Prodotti chimici

Scienze della vita

Metalli e materiali

Catalizzatori

Apparecchiature di analisi e di laboratorio