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US08258355B2 Processes for preparing 1,1,2,3-tetrachloropropene 有权
制备1,1,2,3-四氯丙烯的方法

Processes for preparing 1,1,2,3-tetrachloropropene
摘要:
Provided is a continuous process for preparing 1,1,2,3-tetrachloro-1-propene having the steps of catalytically dehydrochlorinating CH2ClCCl2CH2Cl in the gas phase to produce CHCl═CClCH2Cl; chlorinating the CHCl═CClCH2Cl to form CHCl2CCl2CH2Cl; and catalytically dehydrochlorinating the CHCl2CCl2CH2Cl in the gas phase to form CCl2═CClCH2Cl.
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