A process is disclosed for producing (CF3)2C═CH2, CF3CH═CF2, CF2═C(CF3)OCF2CHF2 and C6H5C(CF3)═CF2. The process involves contacting the corresponding fluorocarbon starting material selected from (CF3)2CFCH2F, (CF3)2CHF, (CF3)2CFOCF2CHF2 and C6H5CF(CF3)2, in the vapor phase, with a defluorination reagent selected from carbon, copper, iron nickel and zinc at an elevated temperature of at least 300 ° C.
公开了一种生产(
CF3)2C═
CH2, CH═
CF2,
CF2═C( )O
CF2CHF2和C6H5C( )═
CF2的过程。该过程涉及将相应的
氟碳起始材料( )2CF F、( )2CHF、( )2CFO
CF2 和C6H5CF( )2,在气相中与一种脱
氟试剂接触,所述脱
氟试剂选择自碳、
铜、
铁、
镍和
锌,在至少300°C的高温下进行。