55111-24-5

Basic information

• Product Name: 3-Difluoromethyl-2,4-bis-methoxycarbonyl-pent-2-enedioic acid dimethyl ester
• Synonyms: 3-Difluoromethyl-2,4-bis-methoxycarbonyl-pent-2-enedioic acid dimethyl ester
• CAS NO: 55111-24-5
• Molecular Weight: 324.235
• Mol File: 55111-24-5.mol
• Article Data: 1

Chemical Properties

• CAS DataBase Reference: 3-Difluoromethyl-2,4-bis-methoxycarbonyl-pent-2-enedioic acid dimethyl ester(CAS DataBase Reference)
• NIST Chemistry Reference: 3-Difluoromethyl-2,4-bis-methoxycarbonyl-pent-2-enedioic acid dimethyl ester(55111-24-5)
• EPA Substance Registry System: 3-Difluoromethyl-2,4-bis-methoxycarbonyl-pent-2-enedioic acid dimethyl ester(55111-24-5)

Safety Data

• Hazardous Substances Data: 55111-24-5(Hazardous Substances Data)

Upstream product

• 421-78-3 1-chloro-1,1,2,2-tetrafluoro-2-iodo-ethane 
• 557-40-4 Allyl ether 
• 33673-07-3 bis-methoxycarbonyl-methanide 

Relevant articles and documents

Studies on fluoroalkylation and fluoroalkoxylation. Part 10. Electron-transfer induced reactions of perfluoroalkyl iodides and the dialkyl malonate anion and β-fragmentation of the halotetrafluoroethyl radical

Fluoroalkyl iodides, XCF2CF2I (X=F, perfluoroalkyl group) (1), react readily with malonic ester anion (2) in DMF to give {A figure is presented} (3), 1-hydroperfluoroalkane (4) and dimer of the anion (5). The reaction is accelerated by UV irradiation and partly suppressed by p-DNB. Diallyl ether (DAE) can trap the radical intermediates to afford five-membered ring products. Interestingly, in the case of 1 ( X = Cl, I ) the same reaction mainly yielded tetrafluoroethylene and 5 instead of 3 and 4. The radical intermediate XCF2CF·2 ( X=Cl ) can also be trapped by DAE to yield tetrahydrofuran derivatives. All these results can be rationalized in terms of the SRN1 mechanism.