Cookies disclaimer

Estoy de acuerdo utilizamos cookies para mejorar la experiencia de navegación del usuario y para estudiar cómo se utiliza nuestro sitio web. si navega por nuestro sitio web, estará aceptando el uso de las cookies en las condiciones establecidas en la presente política de cookies. esta política puede ser actualizada, por lo que le invitamos a revisarla de forma regular

420-37-1 - Trimethyloxonium tetrafluoroborate, 96% - A15175 - Alfa Aesar

A15175 Trimethyloxonium tetrafluoroborate, 96%

Número CAS
420-37-1
Nombre Alternativo

Tamaño Precio ($) Cantidad Disponibilidad
10g 56,80
50g 226,80
250g 1106,22
Añadir al carrito Añadir al presupuesto al por mayor Ver artículo

Trimethyloxonium tetrafluoroborate, 96%

MDL
MFCD00011798
EINECS
206-994-4

Propiedades químicas

Fórmula
C3H9BF4O
Peso molecular
147.91
Punto de fusión
ca 190° dec.
Sensibilidad
Moisture Sensitive
Solubilidad
Soluble in nitrobenzene, nitromethane, chloroform, hot acetone, liquid sulfur dioxide. Slightly soluble in dichloromethane. Insoluble in common organic solvents.

Aplicaciones

Trimethyloxonium tetrafluoroborate act as a avmethylating agent and activates C-X multiple bonds. It is involved in the esterification of polyfunctional carboxylic acids. It acts as a catalyst in the polymerization of cyclic sulfides and ethers. Further, it is used in Beckmann rearrangement of oximes.

Notas

Hygroscopic. Moisture sensitive. Store in a cool place. Incompatible with strong oxidizing agents and bases.

Referencias documentales

Trialkyloxonium salts, also known as Meerwein's salts, are powerful alkylating agents under mild conditions. For general reactions of trialkyloxonium salts, see Triethyl­oxonium tetrafluoroborate, A14420 . For a brief feature of their uses in synthesis, see: Synlett, 195 (2004).

Alkylation of ethylene thioacetals proceeds only to the monoalkyl salt unless water is added, when the thioacetal is cleaved to give the carbonyl compound and the tetraalkyl ethane bis-sulfonium salt: Synthesis, 135 (1981). Alkylation on S to promote leaving group ability has also been used in a synthesis of oxiranes from ß-hydroxy sulfides: J. Am. Chem. Soc., 95, 3429 (1973); J. Chem. Soc., Chem. Commun., 714 (1975).

N,N-Dialkyl arylcarboxamides, useful as substrates for directed metallation reactions, can be converted to methyl esters in high yield: Tetrahedron, 56, 9875 (2000).

Nortcliffe, A.; Moody, C. J. Seven-membered ring scaffolds for drug discovery: Access to functionalised azepanes and oxepanes through diazocarbonyl chemistry. Bioorg. Med. Chem. 2015, 23 (11), 2730-2735.

Lim, J. Y.; Cunningham, M. J.; Davis, J. J.; Beer, P. D. Halogen bonding-enhanced electrochemical halide anion sensing by redox-active ferrocene receptors. Chem. Commun. 2015, 51 (78), 14640-14643.

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
3597303
Clase de peligro
8
Grupo de embalaje
II
Código de tarifa arancelaria unificado
2920.90
TSCA
Yes

Recomendado

  • A11235

    4-Methoxy-3-buten-2-one, tech. 90%
  • A13302

    Pentafluorophenylhydrazine, 97%
  • A14420

    Triethyloxonium tetrafluoroborate, 95%, stab. with 3-5% diethyl ether
  • L00313

    1,8-Bis(dimethylamino)naphthalene, 98+%
  • H61758

    Methyl trifluoromethanesulfonate, 97%

Visto recientemente

Productos químicos

Ciencias de la vida

Metales & materiales

Catalizadores

Análisis y material de laboratorio