Method for preparing halogenated hydrocarbons

Details Method for preparing halogenated hydrocarbons Method for preparing halogenated hydrocarbons

C - Chemistry, Metallurgy

07

C

C07C 17/278 (2006.01) C07C 19/08 (2006.01)

Patent

CA 2300278

The invention concerns a method for obtaining halogenated hydrocarbons comprising at least 3 carbon atoms which consists in reacting a haloalkane with a halogenated olefin in the substantial absence of nitrile and in introducing the reagents in mol ratio between the haloalkane and the halogenated olefin less than 2., thereby obtaining 1,1,1,3,3-pentachloropropane with a high volume yield power.

Des hydrocarbures halogénés comprenant au moins 3 atomes de carbone sont obtenus par réaction entre un haloalcane et une oléfine halogénée, en absence substantielle de nitrile et en introduisant les réactifs dans un rapport molaire entre l'haloalcane et l'oléfine halogénée inférieur à 2. Le 1,1,1,3,3-pentachloropropane peut ainsi être obtenu avec un bon rendement volumique.

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