C07C17/278

Process for producing a chlorinated C3-6 alkane

Disclosed is a process for producing a chlorinated C3-6 alkane comprising providing a reaction mixture comprising an alkene and carbon tetrachloride in a principal alkylation zone to produce chlorinated C3-6 alkane in the reaction mixture, and extracting a portion of the reaction mixture from the principal alkylation zone, wherein: a) the concentration of the chlorinated C3-6 alkane in the reaction mixture in the principal alkylation zone is maintained at a level such that the molar ratio of chlorinated C3-6 alkane:carbon tetrachloride in the reaction mixture extracted from the alkylation zone does not exceed 95:5 when the principal alkylation zone is in continuous operation; and/or b) the reaction mixture extracted from the principal alkylation zone additionally comprises alkene and the reaction mixture is subjected to a dealkenation step in which at least about 50% or more by weight of the alkene present in the reaction mixture is extracted therefrom and at least about 50% of the extracted alkene is fed back into the reaction mixture provided in the principal alkylation zone; and/or c) the reaction mixture present in the principal alkylation zone and extracted from the principal alkylation zone additionally comprises a catalyst, and the reaction mixture extracted from the principal alkylation zone is subjected to an aqueous treatment step in which the reaction mixture is contacted with an aqueous medium in an aqueous treatment zone, a biphasic mixture is formed and an organic phase comprising catalyst is extracted from the biphasic mixture.

Complexes for Nucleophilic, Radical, and Electrophilic Polyfluoroalkylation
20190127397 · 2019-05-02 ·

Disclosed herein are borazine complexes and use of the same in perfluoroalkylation reactions.

Method for producing fluorinated olefins
10259761 · 2019-04-16 · ·

Fluorinated olefins are produced in a reductive coupling reaction by contacting a first reactant with a second reactant in the gas phase under an inert atmosphere at a temperature of at least 500 C. The first reactant may be, for example, a hydrofluorocarbon containing one or two carbon atoms, while the second reactant may be, for example, a two to four carbon hydrohalocarbon (e.g., a hydrofluorocarbon) or hydrocarbon.

Method for producing fluorinated olefins
10259761 · 2019-04-16 · ·

Fluorinated olefins are produced in a reductive coupling reaction by contacting a first reactant with a second reactant in the gas phase under an inert atmosphere at a temperature of at least 500 C. The first reactant may be, for example, a hydrofluorocarbon containing one or two carbon atoms, while the second reactant may be, for example, a two to four carbon hydrohalocarbon (e.g., a hydrofluorocarbon) or hydrocarbon.

Process for the preparation of 2,3,3,3-tetrafluoropropene from methyl chloride and chlorodifluoromethane

The present invention relates to a process for preparation of olefins containing fluorine.

Process for the preparation of 2,3,3,3-tetrafluoropropene from methyl chloride and chlorodifluoromethane

The present invention relates to a process for preparation of olefins containing fluorine.

Methods for recovering chlorinated hydrocarbons

Processes for isolating 1,1,1,2,3-pentachloropropane from a crude product stream containing the 1,1,1,2,3-pentachloropropane and ferric chloride. The processes may include deep distillation of the crude, treatment of the crude with a reagent that deactivates the ferric chloride followed by distillation on the deactivated crude stream, aqueous washing of the crude product stream to remove ferric chloride followed by distillation on the deactivated crude stream. Other embodiments simultaneously prepare 1,1,2,3-tetrachloroprene and 1,1,1,2,3-pentachloroprane.

IMPROVED PROCESSES FOR PREPARING HALOGENATED ALKANES

The present invention provides improved processes for preparing halogenated alkanes. In particular, the processes comprise reacting an alkene, a halogenated alkene, or combinations thereof and a halogenated methane with at least one chlorine atom.

IMPROVED PROCESSES FOR PREPARING HALOGENATED ALKANES

The present invention provides improved processes for preparing halogenated alkanes. In particular, the processes comprise reacting an alkene, a halogenated alkene, or combinations thereof and a halogenated methane with at least one chlorine atom.

IMPROVED PROCESSES FOR PREPARING HALOGENATED ALKANES

The present invention provides improved processes for preparing halogenated alkanes. In particular, the processes comprise reacting an alkene, a halogenated alkene, or combinations thereof and a halogenated methane with at least one chlorine atom.