Method of producing difluoromethyl ethers and esters and ethers

Details Method of producing difluoromethyl ethers and esters and ethers Method of producing difluoromethyl ethers and esters and ethers

1993-06-15

1995-10-03

Richter, Johann

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

Organic compounds

Carboxylic acid esters

560227, 560266, 568677, 568684, C07C 6976, C07C 4300

Patent

active

054553717

ABSTRACT:
A process for producing difluoromethyl ethers and esters by reacting an ether or an acid with a cadmium, zinc or bismuth compound containing the CF.sub.3 group and selected from the group consisting of Cd(CF.sub.3).sub.2, Zn(CF.sub.3).sub.2,Bi(CF.sub.3).sub.3, CdHal(CF.sub.3), ZnHal(CF.sub.3), BiHal(CF.sub.3).sub.2 and BiHal.sub.2 (CF.sub.3) in the presence of a Lewis acid.

REFERENCES:
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Chemical Abstracts, 110:(13) 114999c (1985).
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Lange et al., J. Fluorine Chem., 26:1-18 (1984).
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Hine et al., J. Am. Chem. Soc. 79:5493-96 (1957).
Mitsch et al., J. Heterocyclic Chem. 2:152-56 (1965).
Bagnall et al. J. Fluorine Chem. 13:123-40 (1979).
Naumann et al., J. Organomet. Chem. 334:323-28 (1987).
Chen et al., J. Org. Chem. 54:3023-27 (1989).
Langlois, Tet. Lett. 32:3691-94 (1991).

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