Catalyzed liquid phase fluorination of 1230za

Details Catalyzed liquid phase fluorination of 1230za Catalyzed liquid phase fluorination of 1230za

1999-12-15

2000-12-26

Siegel, Alan

Organic compounds -- part of the class 532-570 series

Organic compounds

Halogen containing

C07C 1720

Patent

active

061662747

ABSTRACT:
A liquid phase process is provided for the preparation of 1233zd with reduced oligomer formation via the fluorination of 1230za with HF in the presence of a catalyst selected from TFA and triflic acid. The 1233zd is a known intermediate useful for preparing 245fa.

REFERENCES:
patent: 5214223 (1993-05-01), Eicher et al.
patent: 5616819 (1997-04-01), Boyce et al.
patent: 5811603 (1998-09-01), Elsheikh
patent: 5877359 (1999-03-01), Elsheikh

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