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17814-85-6 - (4-Carboxybutyl)triphenylphosphonium bromide, 98% - A12023 - Alfa Aesar

A12023 (4-Carboxybutyl)triphenylphosphonium bromide, 98%

CAS-Nummer
17814-85-6
Synonyme

Größe Preis ($) Menge Verfügbarkeit
25g 46,14
100g 115,20
500g 352,80
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(4-Carboxybutyl)triphenylphosphonium bromide, 98%

MDL
MFCD00011906
EINECS
241-782-5

Chemische Eigenschaften

Formel
C23H24BrO2P
Molmasse
443.33
Schmelzpunkt
205-209°
Flammpunkt
195°(383°F)
Sensitivität
Hygroscopic
Löslichkeit
Soluble in ethanol, methanol and soluble water. Insoluble in toluene and hexane.

Anwendungen

Phosphonium salt is a key intermediate for manufacture of some types of prostaglandins, which are subsequently used as active ingredients of both human and veterinary drugs.

Bemerkungen

Hygroscopic. Store in dry place. Keep away from oxidizing agents.

Literaturverweise

Yoshinori Yamamoto.; Toshiaki Komatsu.; Kazuhiro Maruyama. Diastereofacial selectivity in the reaction of allylic organometallic compounds with imines. Stereoelectronic effect of imine group.J. Org. Chem. 1985, 50 (17),3115-3121.

Robert Deschenaux.; Martin Schweissguth.; Maria-Teresa Vilches. Switchable Mesomorphic Materials Based on the Ferrocene-Ferrocenium Redox System:? Electron-Transfer-Generated Columnar Liquid-Crystalline Phases. Organometallics. 1999, 18 (26),5553-5559.

Use of LiHMDS as base in the Wittig reaction with aromatic aldehydes gives a much higher proportion of the trans-alkene than alternative bases such as dimsyl sodium or KO-t-Bu: Tetrahedron Lett., 22, 4185 (1981). See Appendix 1.

GHS Gefahren- und Sicherheitshinweise

Gefahrenhinweise (EU): H315-H319-H335

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

Sicherheitshinweise: 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.

Weitere Referenzen

Beilstein
3586477
Harmonized Tariff Code
2931.90
TSCA
No

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