Title:
METHOD FOR PREPARING THIOMETHYLPHENOL DERIVATIVE
Document Type and Number:
WIPO Patent Application WO/2022/092655
Kind Code:
A1
Abstract:
Disclosed is a method for preparing a thiomethylphenol derivative, the method comprising steps of: (a) performing a primary reaction of a phenol derivative represented by chemical formula 2, a mercaptan derivative represented by R4SH, and paraformaldehyde at reaction temperature T1 under conditions in which both a heterocyclic base having 3 to 10 carbon atoms and an acid are present; and (b) performing a secondary reaction at reaction temperature T2, thereby preparing a thiomethylphenol derivative represented by chemical formula 1, wherein T1 < T2 is satisfied.
Inventors:
ROH KEE YOON (KR)
JANG SANG HUN (KR)
CHOI JUNG HEI (KR)
JANG SANG HUN (KR)
CHOI JUNG HEI (KR)
Application Number:
PCT/KR2021/014452
Publication Date:
May 05, 2022
Filing Date:
October 18, 2021
Export Citation:
Assignee:
KOREA KUMHO PETROCHEMICAL CO LTD (KR)
International Classes:
C07C315/02; C07C323/18
Foreign References:
| KR100813174B1 | 2008-03-17 | |||
| CN105418469A | 2016-03-23 | |||
| CN1515549A | 2004-07-28 | |||
| KR20010070468A | 2001-07-25 | |||
| CN103408475A | 2013-11-27 | |||
| KR20090091605A | 2009-08-28 | |||
| CN102491925A | 2012-06-13 | |||
| KR100813173B1 | 2008-03-17 | |||
| KR100813174B1 | 2008-03-17 | |||
| KR100926796B1 | 2009-11-12 | |||
| KR100963311B1 | 2010-06-11 |
Attorney, Agent or Firm:
HANA IP LAW FIRM (KR)
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