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859-65-4 - (Benzoylmethylene)triphenylphosphorane, 98+% - alpha-(Triphenylphosphoranylidene)acetophenone - A12184 - Alfa Aesar

A12184 (Benzoylmethylene)triphenylphosphorane, 98+%

Número CAS
859-65-4
Nombre Alternativo
alpha-(Triphenylphosphoranylidene)acetophenone

Tamaño Precio ($) Cantidad Disponibilidad
5g 31,83
25g 122,57
100g 391,40
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(Benzoylmethylene)triphenylphosphorane, 98+%

MDL
MFCD00014088
EINECS
212-727-2

Propiedades químicas

Fórmula
C26H21OP
Peso molecular
380.43
Punto de fusión
183-186°
Sensibilidad
Air Sensitive
Solubilidad
Soluble in Methanol (almost transparency).

Aplicaciones

It is used in organic synthesis, wittig reagent.

Notas

Air sensitive. Store in refrigerator. Store away from oxidizing agent, air.

Referencias documentales

Meenakshisundaram Kalyanasundari; Krishnaswamy Panchanatheswaran; Ward T. Robinson; Huo Wen. Reactions of benzoylmethylenetriphenylphosphorane with mercury(II) halides: spectral and structural characterization of [(C6H5)3PCHCOC6H5 · HgCl2]2 · 2CH3OH and [(C6H5)3PCHCOC6H5 · HgI2]2. Journal of Organometallic Chemistry. 1995, 491 (1-2), 103-109.

M. Mohan Raj; A. Dharmaraja; K. Panchanatheswaran; K.A. Venkatesan; T.G. Srinivasan; P.R. Vasudeva Rao. Extraction of fission palladium(II) from nitric acid by benzoylmethylenetriphenylphosphorane (BMTPP). Analytica Chimica Acta. 2006, 84 (1-2), 118-124.

Stable ylide which reacts with aldehydes to give ɑß-unsaturated ketones. See Appendix 1. For preparation of unsubstituted vinyl ketones from this and related ylides with paraformaldehyde, see: Synthesis, 31 (1970).

Can be converted by C-acylation to a diacylphosphorane, which can be oxidized to a 1,2,3-triketone. For reaction scheme, see N,O-Bis(trimethyl­silyl)­acetamide, L00183.

Indicaciones de peligro y de precaución del GHS

Indicaciones de peligro (UE): H315-H319-H335

Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.

Indicaciones de precaución: P261-P280-P305+P351+P338-P304+P340-P362-P312-P321-P405-P403+P233-P501a

Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves/protective clothing/eye protection/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Take off contaminated clothing and wash before reuse. Call a POISON CENTER or doctor/physician if you feel unwell. Specific treatment (see label). Store locked up. Store in a well-ventilated place. Keep container tightly closed. Dispose of contents/container in accordance with local/regional/national/international regulations.

Otras referencias

Beilstein
620285
Código de tarifa arancelaria unificado
2931.90
TSCA
No
RTECS
AN0540000

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