Title:
METHOD OF CONSISTENTLY PRODUCING DIALLYLBISPHENOLS
Document Type and Number:
WIPO Patent Application WO/2013/114987
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide a method of consistently producing high-quality diallylbisphenols with high yields from bisphenols. This method involves steps (1) through (3) below, and enables the consistent production of diallylbisphenols from bisphenols.
(1) A step for reacting allyl halides and bisphenols or alkali metal salts thereof in a cellosolve solvent in the presence or absence of basic alkali metal salts,
(2) a step for separating inorganic salt by-products from a reaction solution obtained in step (1), and
(3) a step for heating and subjecting to a rearrangement reaction the reaction solution obtained in step (2).
Inventors:
KATAYAMA NAOKI (JP)
Application Number:
PCT/JP2013/051040
Publication Date:
August 08, 2013
Filing Date:
January 21, 2013
Export Citation:
Assignee:
KONISHI CHEM IND (JP)
International Classes:
C07C37/18; C07C39/21; C07C315/04; C07C317/22
Foreign References:
| JP2002193865A | 2002-07-10 | |||
| JPS60169456A | 1985-09-02 | |||
| JPS6253957A | 1987-03-09 | |||
| JPH02282343A | 1990-11-19 | |||
| JP2008110945A | 2008-05-15 | |||
| JP2002114757A | 2002-04-16 | |||
| JP2008255015A | 2008-10-23 |
Attorney, Agent or Firm:
SAEGUSA & PARTNERS (JP)
Patent business corporation 3 Edakuni [Hajime] patent firm (JP)
Patent business corporation 3 Edakuni [Hajime] patent firm (JP)
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Claims: