Title:
METHODS RESPECTIVELY FOR PRODUCING 2,4,6-TRIS(2-HYDROXY-3-METHYL-4-ALKOXYPHENYL)-1,3,5- TRIAZINE COMPOUND AND 2,4,6-TRIS(2,4-DIHYDROXY-3-METHYLPHENYL)-1,3,5-TRIAZINE
Document Type and Number:
WIPO Patent Application WO/2017/043416
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing methods respectively for producing a 2,4,6-tris(2-hydroxy-3-methyl-4-alkoxyphenyl)-1,3,5- triazine compound and 2,4,6-tris(2,4-dihydroxy-3-methylphenyl)-1,3,5-triazine, both of which are improved in yield and quality. The methods according to the present invention are characterized in that the reaction of 2,4,6-tris(2,4-dihydroxy-3-methylphenyl)-1,3,5-triazine with an alkylating agent is carried out using a base in the presence of an alcohol or water, and is also characterized in that an ester compound is used as an additive in the reaction of cyanuric chloride with 2-methylresorcinol.
Inventors:
MACHIDA KOJI (JP)
NISHIYAMA AKIRA (JP)
NISHIYAMA AKIRA (JP)
Application Number:
PCT/JP2016/075705
Publication Date:
March 16, 2017
Filing Date:
September 01, 2016
Export Citation:
Assignee:
KANEKA CORP (JP)
International Classes:
C07D251/24; B32B7/02; G02B5/30
Domestic Patent References:
| WO2005109052A1 | 2005-11-17 | |||
| WO2009148040A1 | 2009-12-10 |
Foreign References:
| JP2004160883A | 2004-06-10 | |||
| JP2000026435A | 2000-01-25 | |||
| JP2005532273A | 2005-10-27 | |||
| US5037979A | 1991-08-06 | |||
| JP2016139027A | 2016-08-04 |
Other References:
See also references of EP 3348549A4
Attorney, Agent or Firm:
UEKI, Kyuichi et al. (JP)
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