2-(Difluoromethylene)-4,4,5-trifluoro-5-(trifluoromethyl)-1,3-dioxolane

Base Information

• Chemical Name: 2-(Difluoromethylene)-4,4,5-trifluoro-5-(trifluoromethyl)-1,3-dioxolane
• CAS No.: 17256-52-9
• Molecular Formula: C5F8 O2
• Molecular Weight: 244.041
• Hs Code.: 2932999099
• European Community (EC) Number: 241-290-0
• DSSTox Substance ID: DTXSID00884887
• Nikkaji Number: J286.990J
• Mol file: 17256-52-9.mol

Synonyms:2-(Difluoromethylene)-4,4,5-trifluoro-5-(trifluoromethyl)-1,3-dioxolane;17256-52-9;EINECS 241-290-0;2-(difluoromethylidene)-4,4,5-trifluoro-5-(trifluoromethyl)-1,3-dioxolane;1,3-Dioxolane, 2-(difluoromethylene)-4,4,5-trifluoro-5-(trifluoromethyl)-;SCHEMBL91133;DTXSID00884887;perfluoro-(2-methylene-4-methyl-1,3-dioxolane)

Chemical Property of 2-(Difluoromethylene)-4,4,5-trifluoro-5-(trifluoromethyl)-1,3-dioxolane

Chemical Property:

• Vapor Pressure: 1710mmHg at 25°C
• Boiling Point: 1.7°Cat760mmHg
• Flash Point: °C
• PSA: 18.46000
• Density: 1.72g/cm³
• LogP: 2.91970
• XLogP3: 3
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 10
• Rotatable Bond Count: 0
• Exact Mass: 243.97705454
• Heavy Atom Count: 15
• Complexity: 303

Purity/Quality:

99% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C1(=C(F)F)OC(C(O1)(F)F)(C(F)(F)F)F

Technology Process of 2-(Difluoromethylene)-4,4,5-trifluoro-5-(trifluoromethyl)-1,3-dioxolane

There total 10 articles about 2-(Difluoromethylene)-4,4,5-trifluoro-5-(trifluoromethyl)-1,3-dioxolane which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 60.0%

potassium perfluoro(2,4-dimethyl-1,3-dioxolane-2-yl)carboxylate → 2-(difluoromethylene)-4,4,5-trifluoro-5-(trifluoromethyl)-1,3-dioxolane (17256-52-9)

Guidance literature:

at 200 - 300 ℃; for 5h;

Reference yield: 55.0%

perfluoro-2,4-dimethyl-2-fluorocarbonyl-1,3-dioxolane (7385-65-1) → 2-hydro-perfluoro(2,4-dimethyl-1,3-dioxolane) (123528-49-4) + perfluoro-2-(2,4-dimethyl-1,3-dioxolan-2-ylmethylene)-4-methyl-1,3-dioxolane (123528-50-7) + perfluorobis-(2,4-dimethyl-1,3-dioxolan-2-yl) ketone (123528-51-8) + 2-(difluoromethylene)-4,4,5-trifluoro-5-(trifluoromethyl)-1,3-dioxolane (17256-52-9)

Guidance literature:

With sodium carbonate; In diethylene glycol dimethyl ether; at 130 ℃;

DOI:10.1007/BF00953304

Reference yield: 40.0%

perfluoro-2,4-dimethyl-2-fluorocarbonyl-1,3-dioxolane (7385-65-1) → 2-(difluoromethylene)-4,4,5-trifluoro-5-(trifluoromethyl)-1,3-dioxolane (17256-52-9)

Guidance literature:

With sodium carbonate; In diethylene glycol dimethyl ether; 1) 3 h, 2) 135 deg C;

DOI:10.1007/BF00953735

upstream raw materials:

perfluoro-2,4-dimethyl-2-fluorocarbonyl-1,3-dioxolane

perfluoro-2,4-dimethyl-1,3-dioxolane-2-carboxylic acid

4-fluoro-5-oxo-2,4-bis(trifluoromethyl)-1,3-dioxolane-2-carbonyl fluoride

Downstream raw materials:

1,2-bis(perfluoro-2-hydro-4-methyl-1,3-dioxolan-2-ylmethoxy)benzene

perfluoromethyl (2,4-dimethyl-1,3-dioxolan-2-yl) ketone N-methyl-N-phenylhydrazone

perfluoromethyl (1,3-dioxolan-2-yl) ketone

perfluorobis-(2,4-dimethyl-1,3-dioxolan-2-yl) ketone