PRODUCTION OF PENTAFLUOROETHYL IODIDE

PROBLEM TO BE SOLVED: To efficiently obtain pentafluoroethyl iodide which is useful as a raw material of resins, functional materials and intermediate for medicines and agrochemicals by reaction between tetrafluoroethylene, iodine and iodine pentafluoride in a solvent of polyfluoro-saturated hydroca...

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Hauptverfasser:	KUMAI SEISAKU, OHARU KAZUYA
Format:	Patent
Sprache:	eng
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS APPARATUS THEREFOR CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY GENERAL METHODS OF ORGANIC CHEMISTRY METALLURGY ORGANIC CHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To efficiently obtain pentafluoroethyl iodide which is useful as a raw material of resins, functional materials and intermediate for medicines and agrochemicals by reaction between tetrafluoroethylene, iodine and iodine pentafluoride in a solvent of polyfluoro-saturated hydrocarbon iodide under specific reaction conditions. SOLUTION: An autoclave is filled with a polyfluoro-saturated hydrocarbon iodide as a solvent, iodine, a catalyst (for example, niobium or the like), iodine pentafluoride are charged in the autoclave, the space in the reactor is replaced with nitrogen. Then, tetrafluoroethylene is fed into the reactor and aged at 30-60 deg.C under a pressure of