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

A12184 (Benzoylmethylene)triphenylphosphorane, 98+%

Numéro CAS
859-65-4
Synonymes
alpha-(Triphenylphosphoranylidene)acetophenone

Dimensions Prix ($) Quantité Disponibilité
5g 31,83
25g 122,57
100g 391,40
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(Benzoylmethylene)triphenylphosphorane, 98+%

MDL
MFCD00014088
EINECS
212-727-2

Propriétés chimiques

Formule
C26H21OP
Poids formulaire
380.43
Point de fusion
183-186°
Sensibilité
Air Sensitive
Solubilité
Soluble in Methanol (almost transparency).

Applications

It is used in organic synthesis, wittig reagent.

Notes

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

Références bibliographiques

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.

Mentions de danger et de prudence du SGH

Mentions de danger (UE): H315-H319-H335

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

Mentions de prudence: 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.

Autres références

Beilstein
620285
Code tarifaire harmonisé
2931.90
TSCA
No
RTECS
AN0540000

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Analytique et matériel de laboratoire