METHOD FOR PRODUCING HALOGEN COMPOUND, METHOD FOR PRODUCING POTASSIUM SALT, AND POTASSIUM SALT

WIPO Patent Application WO/2015/159672

A1

Provided is a method which is capable of efficiently producing a halogen compound that is useful as a precursor for a compound which is favorably used particularly in optical materials in general. A method for producing a halogen compound, which is characterized by comprising a step for producing a halogen compound represented by general formula (2) by reacting a compound represented by general formula (1) with a halogenation agent. (In general formula (1), R1 represents a linear or branched alkylene group; R2 represents an aromatic ring-containing group that has a carbon atom constituting the aromatic ring in the binding site with the oxygen atom expressed in the formula; and n represents 1 or 2, and in cases where n is 2, the two R1 moieties may be the same as or different from each other.) (In general formula (2), R1, R2 and n are as defined in general formula (1); and X represents a halogen atom, and in cases where n is 2, the two X moieties may be the same as or different from each other.)

TANIDA DAISUKE (JP)
KITAO KYUHEI (JP)

PCT/JP2015/059142

October 22, 2015

March 25, 2015

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DAICEL CORP (JP)

C07C41/22; C07C41/16; C07C43/225; C07C43/23; C07F1/06

WO2014120995A2

2014-08-07

JP2012526790A	2012-11-01
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JPH1171316A	1999-03-16
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GOTO, YUKIHISA (JP)
Yukihisa Goto (JP)

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