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CAS RN: 1229444-44-3 | Product Number: M2103

1-Methyl-1-[4-(diphenylphosphino)benzyl]pyrrolidinium Bromide


Purity: >97.0%(HPLC)
Synonyms:
Documents:
1G
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Product Number M2103
Purity / Analysis Method >97.0%(HPLC)
Molecular Formula / Molecular Weight C__2__4H__2__7BrNP = 440.36 
Physical State (20 deg.C) Solid
CAS RN 1229444-44-3
Reaxys Registry Number 20305096
PubChem Substance ID 125307290
Specifications
Appearance White to Almost white powder to crystal
Purity(HPLC) min. 97.0 area%
Purity(Iodometric Titration) min. 97.0 %
Properties (reference)
GHS
Related Laws:
Transport Information:
HS Number 2933998090
Application
Aza-Morita-Baylis-Hillman Reaction with Ion-Supported Ph3P

Typical procedure (Entry 3, R = 4-Fluorophenyl): Methyl vinyl ketone (105 mg) is added to a solution of N-(4’-fluorobenzylidene)-4-methylbenzenesulfonamide (277 mg), 1-methyl-1-[4-(diphenylphosphino)benzyl]pyrrolidinium bromide (220 mg) and MS4Å (100 mg) in CH2Cl2 (4 mL). The mixture is stirred for 5 h at room temperature under an argon atmosphere. After the reaction, diethyl ether (10 mL) is added and the mixture is stirred for 30 min at 0 °C. The mixture is filtered and washed with diethyl ether. Removal of the solvent from the filtrates gives the corresponding product with 95 % purity. The product is purified by short flash column chromatography on silica gel (eluent: AcOEt/hexane=1/2) to give the desired pure product (347 mg, 100 %).

References


Application
Ion-supported Triphenylphosphines

Typical procedure (Entry 3, R = 4-Fluorophenyl): Methyl vinyl ketone (105 mg) is added to a solution of N-(4’-fluorobenzylidene)-4-methylbenzenesulfonamide (277 mg), 1-methyl-1-[4-(diphenylphosphino)benzyl]pyrrolidinium bromide (220 mg) and MS4Å (100 mg) in CH2Cl2 (4 mL). The mixture is stirred for 5 h at room temperature under an argon atmosphere. After the reaction, diethyl ether (10 mL) is added and the mixture is stirred for 30 min at 0 °C. The mixture is filtered and washed with diethyl ether. Removal of the solvent from the filtrates gives the corresponding product with 95 % purity. The product is purified by short flash column chromatography on silica gel (eluent: AcOEt/hexane=1/2) to give the desired pure product (347 mg, 100 %).

References


Application
Wittig Reaction with Ion-supportedPh3

Reference


PubMed Literature


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