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Benzyltriphenylphosphonium bromide

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Products Intro: Product Name:Benzyltriphenylphosphonium bromide
CAS:1449-46-3
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CAS:1449-46-3
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CAS:1449-46-3
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CAS:1449-46-3
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Benzyltriphenylphosphonium bromide Basic information
Preparation
Product Name:Benzyltriphenylphosphonium bromide
Synonyms:Phosphonium,triphenyl(phenylmethyl)-,bromide;benzyl trphenyl phosphonium bromide;Benzytriphenyl Phosphonium Bromide;Benzyltriphenylphosphanium bromid;Triphenylbenzylphosphonium·bromide;Benzyltriphenylphosphonium bromide,97%;Benzyl triphenylphosphonium bromidedisc;Benzyl triphenyl pho
CAS:1449-46-3
MF:C25H22BrP
MW:433.32
EINECS:215-908-4
Product Categories:Pharmaceutical Intermediates;Wittig Reagents;Olefination;C-C Bond Formation;Wittig Reaction;Wittig & Horner-Emmons Reaction;Synthetic Organic Chemistry;Phosphonium Compounds
Mol File:1449-46-3.mol
Benzyltriphenylphosphonium bromide Structure
Benzyltriphenylphosphonium bromide Chemical Properties
Melting point 295-298 °C(lit.)
storage temp. Inert atmosphere,Room Temperature
form solid
color White to Almost white
Water Solubility Soluble in water.
Sensitive Hygroscopic
BRN 3599867
CAS DataBase Reference1449-46-3(CAS DataBase Reference)
Safety Information
Hazard Codes Xi
Risk Statements 36/37/38
Safety Statements 26-36/37/39
WGK Germany 3
HazardClass 6.1
PackingGroup III
HS Code 29319090
MSDS Information
ProviderLanguage
Benzyltriphenylphosphonium bromide English
SigmaAldrich English
ACROS English
ALFA English
Benzyltriphenylphosphonium bromide Usage And Synthesis
PreparationBenzyl triphenylphosphonium bromide is prepared by the following steps:To a solution of Ph3P (22 g, 0.084 mol) in toluene, BnBr (10 ml, 0.084 mol) was  added dropwise with ice-cooling and stirred at room temperature for 2 hours. A solid was  formed, which was filtered and washed with toluene and then dry pet ether to remove  unreacted Ph3P. The salt was dried under vacuum (35 g, 96% yield).
Chemical PropertiesWHITE CRYSTALLINE POWDER
UsesBenzyltriphenylphosphonium bromide is used as a reactant for stereoselective azidolysis of vinyl epoxides, enantioselective aziridination and Friedel-Crafts cyclization for asymmetric synthesis of dihydrexidine, biomimetic iron(III) mediated oxidative dimerization for synthesis of benzoquinone parvistemin A, enantioselective synthesis of syn-diarylheptanoids from D-glucose, preparation of β-amyloid plaque ligands and decarboxylative cyclopropanation. It react with 4-methyl-oxetan-2-one to produce 4-hydroxy-1-phenyl-1-(triphenyl-l5-phosphanylidene)-pentan-2-one.
Benzyltriphenylphosphonium bromide Preparation Products And Raw materials
Preparation ProductsCINNAMALDEHYDE DIETHYL ACETAL-->Dihydrokawain-->2,7-DISTYRYLNAPHTHALENE
Tag:Benzyltriphenylphosphonium bromide(1449-46-3) Related Product Information
Benzyltriphenylphosphonium chloride 4-(BROMOMETHYL)BENZYLTRIPHENYLPHOSPHONIUM BROMIDE 98% (4-NITROBENZYL)TRIPHENYLPHOSPHONIUM BROMIDE (4-N-BUTOXYBENZYL)TRIPHENYLPHOSPHONIUM BROMIDE (9-FLUORENYL)TRIPHENYLPHOSPHONIUM BROMIDE (4-ETHOXYBENZYL)TRIPHENYLPHOSPHONIUM BROMIDE 2-METHYLBENZYL TRIPHENYLPHOSPHONIUM BROMIDE 4-CARBOMETHOXYBENZYL TRIPHENYLPHOSPHONIUM CHLORIDE (2-NITROBENZYL)TRIPHENYLPHOSPHONIUM BROMIDE MONOHYDRATE Benzyltriphenylphosphonium bromide P-XYLYLENEBIS(TRIPHENYLPHOSPHONIUM BROMIDE) (2-HYDROXYBENZYL)TRIPHENYLPHOSPHONIUM BROMIDE O-XYLYLENEBIS(TRIPHENYLPHOSPHONIUM BROMIDE) (4-BROMOBENZYL)TRIPHENYLPHOSPHONIUM BROMIDE (4-METHYLBENZYL)TRIPHENYLPHOSPHONIUM BROMIDE (4-FLUOROBENZYL)TRIPHENYLPHOSPHONIUM BROMIDE BENZYLTRIPHENYLPHOSPHONIUM BROMIDE AND SODIUM AMIDE,Benzyltriphenylphosphonium bromide - sodium amide mixture (2-BROMOMETHY)BENZYLTRIPHENYLPHOSPHONIUM BROMIDE,2-(BROMOMETHYL)BENZYLTRIPHENYLPHOSPHONIUM BROMIDE