Gas phase fluorination of 1230za

Details Gas phase fluorination of 1230za Gas phase fluorination of 1230za

1997-12-01

1998-09-22

Siegel, Alan

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

Organic compounds

Halogen containing

570169, C07C 1708

Patent

active

058116036

ABSTRACT:
A process for the fluorination of 1230za is provided, wherein 1230za is contacted with HF in the gas phase in the presence of an aluminum fluoride or chromium-based fluorination catalyst under conditions sufficient to produce a reaction mixture containing 1233zd, 1234ze and 245fa. 245fa is a known foam blowing agent and refrigerant, while 1233zd and 1234ze are known intermediates useful for preparing 245fa.

REFERENCES:
patent: 5171901 (1992-12-01), Gassen et al.
patent: 5616819 (1997-04-01), Boyce et al.

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