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CAS RN: 1229444-44-3 | 產品號碼: M2103
1-Methyl-1-[4-(diphenylphosphino)benzyl]pyrrolidinium Bromide
![Thumbnail of 1-Methyl-1-[4-(diphenylphosphino)benzyl]pyrrolidinium Bromide](/medias/M2103.jpg?context=bWFzdGVyfHJvb3R8MTU0NzR8aW1hZ2UvanBlZ3xhREF6TDJoaVpDODRPVE0xT1RNMk56VXpOamswTDAweU1UQXpMbXB3Wnd8YjY2OTNlOWE0YThjMTVmN2UwZGY3MGRmOWJkYzliYTQxZDFjMDA3ZWU1NDMxNTIzZDIyMzcyN2YxMThhYWVhYg "1-Methyl-1-[4-(diphenylphosphino)benzyl]pyrrolidinium Bromide")
![Chemical Structure of 1-Methyl-1-[4-(diphenylphosphino)benzyl]pyrrolidinium Bromide](/medias/M2103.jpg?context=bWFzdGVyfHJvb3R8NDk5MDd8aW1hZ2UvanBlZ3xhRGRtTDJoalpTODRPVEl5TlRBMk9URTVPVFkyTDAweU1UQXpMbXB3Wnd8MWQ2Zjk1M2JlMDJjYmE1ZmNlMTQ3MzBlNTZhYjQzN2U3M2NhZTE1ZWM0OGNkOWVjNTY2ODY2NTM3NDRiZGE1Mg "1-Methyl-1-[4-(diphenylphosphino)benzyl]pyrrolidinium Bromide")
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產品規格
| Appearance | White to Almost white powder to crystal |
| Purity(HPLC) | min. 97.0 area% |
| Purity(Iodometric Titration) | min. 97.0 % |
| NMR | confirm to structure |
性質
GHS
相關法規
運輸資料
| HS編碼* | 2933.99-000 |
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
產品介紹報導
[TCIMAIL No.149] Ion-supported Triphenylphosphine[Research Articles] Aza-Morita-Baylis-Hillman Reaction with Ion-Supported Ph3P
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