Process for purifying fluoromethyl...

Details Process for purifying fluoromethyl... Process for purifying fluoromethyl...

2007-06-12

2007-06-12

Keys, Rosalynd (Department: 1621)

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

Organic compounds

Oxygen containing

C568S683000

Reexamination Certificate

active

09381372

ABSTRACT:
A process for purifying fluoromethyl 1,1,1,3,3,3-hexafluoroisopropyl ether containing at least 1,1,1,3,3,3-hexafluoroisopropyl alcohol. The purifying process comprises the treatment of causing fluoromethyl 1,1,1,3,3,3-hexafluoroisopropyl ether containing at least 1,1,1,3,3,3-hexafluoroisopropyl alcohol, to contact with a basic aqueous solution. The basic aqueous solution contains a basic substance in an amount providing a chemical equivalent ratio of the basic substance to 1,1,1,3,3,3-hexafluoroisopropyl alcohol being within a range of not less than 1.

REFERENCES:
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patent: 703 450 (1996-03-01), None
patent: WO 97/25303 (1997-07-01), None
Abraham, M., Duce, P., and Prior, D. (1989) “Hydrogen Bonding, Part 9, Solute Proton Donor and Proton Acceptor Scales for Use in Drug Design”.J. Chem. Soc., Perkins Tranactions II1355-1375.

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