Saltar al contenido
Merck
Todas las fotos(2)

Documentos clave

Ver Toda la documentación

405329

Sigma-Aldrich

Ytterbium(III) trifluoromethanesulfonate hydrate

Yb 25-28 % (approx.)

Sinónimos:

Yb(OTf)3, Trifluoromethanesulfonic acid ytterbium salt, Ytterbium(III) triflate

Iniciar sesiónpara Ver la Fijación de precios por contrato y de la organización
Todas las fotos(2)

About This Item

Fórmula lineal:
(CF3SO3)3Yb · xH2O
Número de CAS:
252976-51-5
Peso molecular:
620.25 (anhydrous basis)
MDL number:
MFCD03703499
UNSPSC Code:
12161600
PubChem Substance ID:
24865309
NACRES:
NA.22

composition

Degree of hydration, 1-2
Yb, 25-28% (approx.)

reaction suitability

core: ytterbium
reagent type: catalyst

SMILES string

[H]O[H].FC(F)(F)S(=O)(=O)O[Yb](OS(=O)(=O)C(F)(F)F)OS(=O)(=O)C(F)(F)F

InChI

1S/3CHF3O3S.H2O.Yb/c3*2-1(3,4)8(5,6)7;;/h3*(H,5,6,7);1H2;/q;;;;+3/p-3

InChI key

BUJKNFNMGRYZBV-UHFFFAOYSA-K

¿Está buscando productos similares? Visita Guía de comparación de productos

Categorías relacionadas

General description

Layer-by-layer assembly of 4-aminothiophenol and ytterbium(III)trifluoromethanesulfonate hydrate film has been investigated by atomic force microscopy (AFM). Bis(oxazolinyl)-pyridine-scandium(III) triflate complexes have been reported to catalyze the enantioselective Friedel-Crafts addition of various indoles.

Application

Ytterbium(III) trifluoromethanesulfonate hydrate (Yb(OTf)3) was employed as Lewis acid catalyst for the following studies:
  • Synthesis of the dihydropyrimidine (DHPM) derivative monastrol, by Biginelli cyclocondensation.
  • Cross-aldol reaction between ketone and aldehyde.
  • Synthesis of β-keto enol ethers.
  • Synthesis of deoxypenostatin A in a novel, stereoselective intramolecular Diels-Alder reaction.

pictograms

Exclamation mark
GHS07

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

8A - Combustible corrosive hazardous materials

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

Elija entre una de las versiones más recientes:

Certificados de análisis (COA)

Lot/Batch Number
BGBC5954V
BGBC3062V
BGBB9396
BCBB0360V
BCBB0360

¿No ve la versión correcta?

Si necesita una versión concreta, puede buscar un certificado específico por el número de lote.

Busque por un COA

¿Ya tiene este producto?

Encuentre la documentación para los productos que ha comprado recientemente en la Biblioteca de documentos.

Visite la Librería de documentos

Los clientes también vieron

Slide 1 of 2

1 of 2

Sodium trifluoromethanesulfonate 98%

Sigma-Aldrich

367907

Sodium trifluoromethanesulfonate

Copper(II) trifluoromethanesulfonate 98%

Sigma-Aldrich

283673

Copper(II) trifluoromethanesulfonate

Ytterbium Trifluoromethanesulfonate Mediated Cross-Aldol Reaction between Ketones and Aldehydes.
Fukuzawa S-I, et al.
Bulletin of the Chemical Society of Japan, 67(8), 2227-2232 (1994)
David A Evans et al.
Journal of the American Chemical Society, 129(32), 10029-10041 (2007-07-31)
The enantioselective Friedel-Crafts addition of a variety of indoles catalyzed by bis(oxazolinyl)pyridine-scandium(III) triflate complexes (Sc(III)-pybox) was accomplished utilizing a series of beta-substituted alpha,beta-unsaturated phosphonates and alpha,beta-unsaturated 2-acyl imidazoles. The acyl phosphonate products were efficiently transformed into esters and amides, whereas
Ytterbium triflate catalyzed synthesis of β-keto enol ethers.
Curini M, et al.
Tetrahedron Letters, 47(27), 4697-4700 (2006)
Doris Dallinger et al.
Nature protocols, 2(2), 317-321 (2007-04-05)
We present here a protocol for the synthesis of the dihydropyrimidine (DHPM) derivative monastrol, which is known to be a specific mitotic kinesin Eg5 inhibitor. By applying controlled microwave heating under sealed-vessel conditions, the synthesis via the one-pot three-component Biginelli
Snider, B.B. Liu, T.
The Journal of Organic Chemistry, 64, 1088-1088 (1999)
Ver todos los artículos relacionados

Artículos

Friedel–Crafts Acylation

The Friedel–Crafts acylation is the reaction of an arene with acyl chlorides or anhydrides using a strong Lewis acid catalyst. This reaction proceeds via electrophilic aromatic substitution to form monoacylated products.

Nuestro equipo de científicos tiene experiencia en todas las áreas de investigación: Ciencias de la vida, Ciencia de los materiales, Síntesis química, Cromatografía, Analítica y muchas otras.

Póngase en contacto con el Servicio técnico