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

A12184 (Benzoylmethylene)triphenylphosphorane, 98+%

CAS-Nummer
859-65-4
Synonyme
alpha-(Triphenylphosphoranylidene)acetophenone

Größe Preis ($) Menge Verfügbarkeit
5g 31,50
25g 121,00
100g 388,00
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(Benzoylmethylene)triphenylphosphorane, 98+%

MDL
MFCD00014088
EINECS
212-727-2

Chemische Eigenschaften

Formel
C26H21OP
Molmasse
380.43
Schmelzpunkt
183-186°
Sensitivität
Air Sensitive
Löslichkeit
Soluble in Methanol (almost transparency).

Anwendungen

It is used in organic synthesis, wittig reagent.

Bemerkungen

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

Literaturverweise

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.

GHS Gefahren- und Sicherheitshinweise

Gefahrenhinweise (EU): H315-H319-H335

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

Sicherheitshinweise: P260u-P201-P280a-P303+P361+P353-P305+P351+P338-P301+P330+P331-P304+P340-P310a-P405-P501a

Obtain special instructions before use. Wear protective gloves and eye/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. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Weitere Referenzen

Beilstein
620285
Harmonized Tariff Code
2931.39
TSCA
No
RTECS
AN0540000

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