The invention discloses a method for preparation of fluoro, chloro and fluorochloro alkylated compounds by homogeneous Pd catalyzed fluoro, chloro and fluorochloro alkylation with fluoro, chloro and fluorochloroalkyl halides in the presence of di(1-adamantyl)-n-butylphosphine and in the presence of 2,2,6,6-tetramethylpiperidine 1-oxyl.

The invention discloses a method for preparation of fluoro, chloro and fluorochloro alkylated compounds by homogeneous Pd catalyzed fluoro, chloro and fluorochloro alkylation with fluoro, chloro and fluorochloroalkyl halides in the presence of di(1-adamantyl)-n-butylphosphine and in the presence of 2,2,6,6-tetramethylpiperidine 1-oxyl.

A method for producing at least one compound selected from the group consisting of a compound represented by the following formula (10), a compound represented by the following formula (11), a compound represented by the following formula (12), and a compound represented by the following formula (13), which the method containing reacting a compound represented by the following formula (2) with a compound represented by the following formula (7), in the presence of at least one compound selected from the group consisting of a compound represented by the following formula (1), a compound represented by the following formula (3), a compound represented by the following formula (4), a compound represented by the following formula (8), and a compound represented by the following formula (9). ##STR00001##

A method for producing at least one compound selected from the group consisting of a compound represented by the following formula (10), a compound represented by the following formula (11), a compound represented by the following formula (12), and a compound represented by the following formula (13), which the method containing reacting a compound represented by the following formula (2) with a compound represented by the following formula (7), in the presence of at least one compound selected from the group consisting of a compound represented by the following formula (1), a compound represented by the following formula (3), a compound represented by the following formula (4), a compound represented by the following formula (8), and a compound represented by the following formula (9). ##STR00001##

To provide a method for obtaining 1,1-dichloro-3,3,3-trifluoropropane by reacting 1,1-difluoroethylene with dichlorofluoromethane, which suppresses the production of chloroform as a by-product and achieves a product having a high R-243fa concentration. This method is characterized by obtaining 1,1-dichloro-3,3,3-trifluoropropane by reacting 1,1-difluoroethylene with dichlorofluoromethane in the presence of trifluoromethane.

To provide a method for obtaining 1,1-dichloro-3,3,3-trifluoropropane by reacting 1,1-difluoroethylene with dichlorofluoromethane, which suppresses the production of chloroform as a by-product and achieves a product having a high R-243fa concentration. This method is characterized by obtaining 1,1-dichloro-3,3,3-trifluoropropane by reacting 1,1-difluoroethylene with dichlorofluoromethane in the presence of trifluoromethane.

The process is provided for forming the reaction product comprising the homologue mixture of I(CF.sub.2).sub.nI, wherein n is 3 to 7, which may contain at least one of the contaminants ICF.sub.2I and I(CF.sub.2).sub.2I, by the steps comprising (a) reacting iodine with hexafluoropropylene oxide at a temperature of 150 C. to 210 C. in a reactor, the amount of said hexafluoro-propylene oxide being a portion of the total amount of hexafluoropropylene oxide to be reacted with said iodine, thereby forming a reaction product containing gaseous perfluoroacetyl fluoride as a reaction by-product, (b) cooling said reaction product to become liquid except for said gaseous perfluoroacetyl fluoride, (c) venting said perfluoroacetyl fluoride from said reactor, and (d) repeating said steps (a), (b), and (c) until said total amount of said HFPO is reacted with said iodine.

The process is provided for forming the reaction product comprising the homologue mixture of I(CF.sub.2).sub.nI, wherein n is 3 to 7, which may contain at least one of the contaminants ICF.sub.2I and I(CF.sub.2).sub.2I, by the steps comprising (a) reacting iodine with hexafluoropropylene oxide at a temperature of 150 C. to 210 C. in a reactor, the amount of said hexafluoro-propylene oxide being a portion of the total amount of hexafluoropropylene oxide to be reacted with said iodine, thereby forming a reaction product containing gaseous perfluoroacetyl fluoride as a reaction by-product, (b) cooling said reaction product to become liquid except for said gaseous perfluoroacetyl fluoride, (c) venting said perfluoroacetyl fluoride from said reactor, and (d) repeating said steps (a), (b), and (c) until said total amount of said HFPO is reacted with said iodine.

A method for producing at least one compound selected from the group consisting of a compound represented by the following formula (10), a compound represented by the following formula (11), a compound represented by the following formula (12), and a compound represented by the following formula (13), which the method containing reacting a compound represented by the following formula (2) with a compound represented by the following formula (7), in the presence of at least one compound selected from the group consisting of a compound represented by the following formula (1), a compound represented by the following formula (3), a compound represented by the following formula (4), a compound represented by the following formula (8), and a compound represented by the following formula (9).

##STR00001##

A method for producing at least one compound selected from the group consisting of a compound represented by the following formula (10), a compound represented by the following formula (11), a compound represented by the following formula (12), and a compound represented by the following formula (13), which the method containing reacting a compound represented by the following formula (2) with a compound represented by the following formula (7), in the presence of at least one compound selected from the group consisting of a compound represented by the following formula (1), a compound represented by the following formula (3), a compound represented by the following formula (4), a compound represented by the following formula (8), and a compound represented by the following formula (9).

##STR00001##