Process for the production of chlorinated alkanes
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C07C-017/04
C07C-017/10
C07C-017/25
C07C-017/06
C07C-017/07
출원번호
US-0773833
(2014-03-07)
등록번호
US-9403741
(2016-08-02)
국제출원번호
PCT/US2014/022164
(2014-03-07)
국제공개번호
WO2014/164368
(2014-10-09)
발명자
/ 주소
Tirtowidjojo, Max M.
Laitar, David S.
Grandbois, Matthew L.
Kruper, Jr., William J.
Calverley, Edward M.
출원인 / 주소
BLUE CUBE IP LLC
대리인 / 주소
Polsinelli PC
인용정보
피인용 횟수 :
0인용 특허 :
102
초록▼
Processes for the production of chlorinated alkanes are provided. The present processes comprise dehydrochlorinating one or more trichloroalkanes having from 3-6 carbon atoms and vicinal chlorine atoms, followed by a series of sequential chlorination and/or further dehydrochlorination steps. Because
Processes for the production of chlorinated alkanes are provided. The present processes comprise dehydrochlorinating one or more trichloroalkanes having from 3-6 carbon atoms and vicinal chlorine atoms, followed by a series of sequential chlorination and/or further dehydrochlorination steps. Because the trichloroalkane is first dehydrochlorinated, rather than being first chlorinated, greater specificity to desired tetra- and pentachloroalkanes can be seen.
대표청구항▼
1. A process for the production of 1,1,1,2,2-pentachloropropane from 1,1,2-trichloropropane, the process comprising dehydrochlorinating the trichlorinated alkane and subjecting the product stream of the dehydrochlorination to sequential chlorination and/or further dehydrochlorination steps. 2. The p
1. A process for the production of 1,1,1,2,2-pentachloropropane from 1,1,2-trichloropropane, the process comprising dehydrochlorinating the trichlorinated alkane and subjecting the product stream of the dehydrochlorination to sequential chlorination and/or further dehydrochlorination steps. 2. The process of claim 1, wherein the trichlorinated alkane is dehydrochlorinated in the presence of caustic. 3. The process of claim 1, wherein the 1,1,2-trichloropropane is produced in situ by the ionic chlorination of a dichlorinated alkane. 4. The process of claim 3, wherein the dichlorinated alkane comprises 1,2-dichloropropane. 5. The process of claim 1, wherein chlorination steps and dehydrochlorination steps are alternated after the dehydrochlorination of the trichloroalkane. 6. The process of claim 5, wherein the chlorination steps are conducted in a solvent. 7. The process of claim 6, wherein the solvent comprises methylene chloride, carbon tetrachloride, and/or 1,1,2,3-tetrachloropropane. 8. The process of claim 5, wherein the chlorination steps are conducted in the presence of an ionic chlorination catalyst comprising AlCl3, I2, FeCl3, sulphur, antimony pentachloride, boron trichloride, one or more lanthanum halides, one or more metal triflates, or combinations of these. 9. The process of claim 8, wherein the ionic chlorination catalyst comprises AlCl3. 10. The process of claim 1, wherein the first and/or further dehydrochlorination(s) is/are conducted in the liquid phase using caustic, potassium hydroxide, calcium hydroxide or a combination of these. 11. The process of claim 10, wherein the first and/or further dehydrochlorination(s) is/are conducted in the presence of one or more phase transfer catalysts comprising benzyltrimethylammonium chloride.
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이 특허에 인용된 특허 (102)
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