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US4745237A Preparation of 1-chloro-1,2,2,2-tetrafluoroethane 失效
制备1-氯-1,2,2,2-四氟乙烷

Preparation of 1-chloro-1,2,2,2-tetrafluoroethane
摘要:
A method for the preparation of 1-chloro-1,2,2,2-tetrafluoroethane which comprises treating 1,1-dichloro-1,2,2,2-tetrafluoroethane, optionally in the form of an isomer mixture, with an alkali metal amalgam in an active hydrogen containing liquid medium which includes a solvent for the dichlorotetrafluoroethane.
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