Process for reductive dehalogenation

Details Process for reductive dehalogenation Process for reductive dehalogenation

2007-04-03

2007-04-03

Page, Thurman (Department: 1621)

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

Organic compounds

Carboxylic acid esters

Reexamination Certificate

active

10541204

ABSTRACT:
A method of producing 2-fluorocyclopropane-1-carboxylic acid ester, which comprise by allowing a compound represented by the following formula (1):wherein X represents a chlorine atom, a bromine atom or an iodine atom; and R1represents an alkyl group having 1 to 8 carbon atoms, an aryl group having 6 to 12 carbon atoms, an alkenyl group having 2 to 8 carbon atoms, or an aralkyl group composed of an aryl group having 6 to 12 carbon atoms and an alkylene group having 1 to 6 carbon atoms; to react with a reducing agent in the presence of a phase transfer catalyst.According to the production method of the present invention, the reaction time of dehalogenation can be greatly shortened.

REFERENCES:
patent: 1 594 224 (1981-07-01), None
patent: 06-157418 (1994-06-01), None
patent: 06157418 (1994-06-01), None
patent: 95/04712 (1995-02-01), None
Rolla et al., Sodium Borohydride Reactions under Phase-Transfer Conditions: Conversion of Halides and Sulphonate Esters to Alkanes; J. Org. Chem., 1981, 46. 3909-3911.
Kirk-Othmer Encyclopedia of Chemical Technology Copyright © 1993 by John Wiley & Sons, Inc. pp. 1-10.
Franco Rolla, J. Org. Chem 1981, 46, 3909-3911 Sodium Borohydride Reductions under Phase-Transfer Conditions: Conversation of Halides and Sulfonate Esters to Alkanes.

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