Processes for the production of chlorinated alkanes are provided. The present processes comprise reacting one or more mono- and/or dichloroalkanes to form tri-, tetra- and/or pentachloroalkanes, with high regioselectivity. In those embodiments wherein a dichloroalkane is desirably utilized, it may a
Processes for the production of chlorinated alkanes are provided. The present processes comprise reacting one or more mono- and/or dichloroalkanes to form tri-, tetra- and/or pentachloroalkanes, with high regioselectivity. In those embodiments wherein a dichloroalkane is desirably utilized, it may advantageously be a vicinal dichloroalkane. Further, only one catalyst is utilized. The present processes make use of sulfuryl chloride as a chlorinating agent, rather than a gaseous chlorinating agent such as chlorine gas. Finally, the process uses lower intensity process conditions than at least some conventional processes, and thus, operating costs are saved.
대표청구항▼
1. A process for the production of tri-, tetra- and/or pentachlorinated alkanes from one or more mono and/or dichlorinated alkanes comprising chlorinating the mono and/or dichlorinated alkane in the presence of aluminum chloride, wherein the chlorinating agent comprises sulfuryl chloride. 2. The pro
1. A process for the production of tri-, tetra- and/or pentachlorinated alkanes from one or more mono and/or dichlorinated alkanes comprising chlorinating the mono and/or dichlorinated alkane in the presence of aluminum chloride, wherein the chlorinating agent comprises sulfuryl chloride. 2. The process of claim 1, wherein at least one of the one or more mono- and/or dichlorinated alkanes comprises a vicinal dichloroalkane. 3. The process of claim 1, wherein the dichloroalkane comprises 1,2-dichloropropane. 4. The process of claim 3, wherein the tri-, tetra- and/or pentachlorinated alkane comprises a 1,1,2-trichloroalkane. 5. The process of claim 4, wherein the tri-, tetra- and/or pentachlorinated alkane comprises 1,1,2-trichloropropane. 6. The process of claim 5, wherein selectivity of the process to 1,1,2-trichloropropane is at least 20:1. 7. The process of claim 6, wherein selectivity of the process to 1,1,2-trichloropropane is at least 40:1. 8. The process of claim 3, wherein the tri-, tetra- and/or pentachlorinated alkane comprises a 1,2,2,3-tetrachloroalkane. 9. The process of claim 8, wherein the tri-, tetra- and/or pentachlorinated alkane comprises 1,2,2,3-tetrachloropropane. 10. The process of claim 3, wherein the tri-, tetra- and/or pentachlorinated alkane comprises a 1,1,2,2,3-pentachloroalkane. 11. The process of claim 10, wherein the tri-, tetra- and/or pentachlorinated alkane comprises 1,1,2,2,3-pentachloropropane. 12. The process of claim 1, wherein the process is conducted at a temperature of from 40° C. to 70° C. 13. The process of claim 1, wherein the process is conducted at ambient pressure. 14. The process of claim 1, wherein the process is carried out in a liquid phase reactor, and the reactor residence time is less than 1 hour.
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