a process for the preparation of 2 , 3 , 3 , 3 - tetrafluoropropene . hfo - 1234yf is a refrigerant with low global warming potential . a process comprises a ) reacting chlorotrifluoroethylene with a methyl halide to form an intermediate product stream ; and b ) reacting the intermediate product stream with hydrogen fluoride to thereby produce a result comprising 2 , 3 , 3 , 3 - tetrafluoropropene .