Title:
METHOD FOR PREPARING DIETHYLAMINO HYDROXYBENZOYL HEXYL BENZOATE
Document Type and Number:
WIPO Patent Application WO/2021/071033
Kind Code:
A1
Abstract:
The present invention relates to a method for preparing diethylamino hydroxybenzoyl hexyl benzoate and, specifically, to: a method for preparing diethylamino hydroxybenzoyl hexyl benzoate, which has a simple preparation process and can be commercially mass produced; and crystalline diethylamino hydroxybenzoyl hexyl benzoate particles prepared thereby. According to the present invention, crystalline diethylamino hydroxybenzoyl hexyl benzoate particles having an excellent ultraviolet blocking effect can be stably obtained in a high yield.
Inventors:
YOON JONG-BAE (KR)
BAEK HYUN-WOO (KR)
CHOI EUN-HWA (KR)
BAEK HYUN-WOO (KR)
CHOI EUN-HWA (KR)
Application Number:
PCT/KR2020/002959
Publication Date:
April 15, 2021
Filing Date:
March 02, 2020
Export Citation:
Assignee:
ASTECH CO LTD (KR)
International Classes:
C07C213/06; C07C213/10; C07C219/34; C07C221/00; C07C225/22; C07C227/14; C07C229/52
Foreign References:
| KR20100017539A | 2010-02-16 | |||
| JP2005533764A | 2005-11-10 | |||
| JPH09176613A | 1997-07-08 | |||
| KR20180077198A | 2018-07-06 | |||
| KR20200002720A | 2020-01-08 |
Other References:
GRBOVIĆ GORICA, MALEV OLGA, DOLENC DARKO, KLOBUČAR ROBERTA SAUERBORN, CVETKOVIĆ ŽELIMIRA, CVETKOVIĆ BRUNO, JOVANČIĆEVIĆ BRANIMIR, : "Synthesis, characterisation and aquatic ecotoxicity of the UV filter hexyl 2-(4-diethylamino-2-hydroxybenzoyl) benzoate (DHHB) and its chlorinated by-products", ENVIRONMENTAL CHEMISTRY, vol. 13, no. 1, 2016, pages 119 - 126, XP055817754
Attorney, Agent or Firm:
HYUNMOON PATENT & LAW FIRM (KR)
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