PROCESO PARA LA PREPARACION DE 1,1,1,3,3-PENTAFLUOROPROPANO

ESTA INVENCION SE REFIERE A LA PREPARACION DE HIDROFLUOROCARBUROS (HFCS). ESPECIFICAMENTE, SE REFIERE A LA FABRICACION DE 1,1,1,3,3-PENTAFLUOROPROPANO, CF{SUB,3}CH{SUB,2}CF{SUB,2}H (HFC-245FA) MEDIANTE LOS PASOS QUE COMPRENDEN (1) LA FORMACION DE CCL{SUB,3}CH{SUB,2}CCL{SUB,3} MEDIANTE LA REACCION DE...

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Bibliographische Detailangaben
Hauptverfasser:	EIBECK, RICHARD, ELMER, ELLIS, LOIS, ANNE, VAN DER PUY, MICHAEL, MADHAVAN, GAJAVALLI, VENKATRAO, BINDU
Format:	Patent
Sprache:	spa
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:	ESTA INVENCION SE REFIERE A LA PREPARACION DE HIDROFLUOROCARBUROS (HFCS). ESPECIFICAMENTE, SE REFIERE A LA FABRICACION DE 1,1,1,3,3-PENTAFLUOROPROPANO, CF{SUB,3}CH{SUB,2}CF{SUB,2}H (HFC-245FA) MEDIANTE LOS PASOS QUE COMPRENDEN (1) LA FORMACION DE CCL{SUB,3}CH{SUB,2}CCL{SUB,3} MEDIANTE LA REACCION DE CCL{SUB,4} CON CLORURO DE VINILIDENO; (2) LA CONVERSION DE CCL{SUB,3}CH{SUB,2}CCL{SUB,3} A CF{SUB,3}CH{SUB,2}CF{SUB,2}CL MEDIANTE LA REACCION CON HF EN LA PRESENCIA DE UN CATALIZADOR DE FLUORACION, SELECCIONADO DE TICL{SUB,4}, SNCL{SUB,4} O MEZCLAS DE LOS MISMOS; Y (3) REDUCCION DE CF{SUB,3}CH{SUB,2}CF{SUB,2}CL A CF{SUB,3}CH{SUB,2}CF{SUB,2}H. This invention is related to the preparation of hydrofluorocarbons (HFCs). Specifically, it relates to the manufacture of 1,1,1,3,3-pentafluoropropane, CF3CH2CF2H (HFC-245fa) by the steps comprising (1) the formation of CCl3CH2CCl3 by the reaction of CCl4 with vinylidene chloride; (2) the conversion of CCl3CH2CCl3 to CF3CH2CF2Cl by reaction with HF in the presence of a fluorination catalyst, selected from TiCl4, SnCl4 or mixtures thereof; and (3) reduction of CF3CH2CF2Cl to CF3l CH2CF2H.