Difluoromethyl ether derivative and process for producing...

Details Difluoromethyl ether derivative and process for producing... Difluoromethyl ether derivative and process for producing...

2005-03-08

2005-03-08

Keys, Rosalynd (Department: 1621)

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

Organic compounds

Oxygen containing

C568S631000, C568S640000, C568S641000, C568S642000, C568S643000, C568S645000, C568S646000

Reexamination Certificate

active

06864397

ABSTRACT:
The present invention provides a process for producing a difluoromethyl ether derivative simple and efficient process for producing the difluoromethyl ether derivative represented by Formula (1d′) or a difluoromethyl ether derivative represented by Formula (1c′):wherein all the variables are defined in the specification.

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Abstract of JP 10204016.
Hayashi, S., et al. “Convenient Procedures for Conversion of Carbonyl Compounds togem-Difluoroolefins and Their Selective Reductions to Monofluoroolefins”, Chemistry Letters, 1979, pp. 983-986.
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Kirsch et al., “Liquid Crystals with multiple flourinated bridges in the mesogenic core structure”, Journal of Fluorine Chemistry, vol. 112, No. 1, pp. 69-72, 2001.

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