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Title:
A METHOD FOR PREPARING NOVEL CRYSTALLINE FORMS OF 1-(4-BENZYLOXY-BENZYL)-3-METHYL-THIOUREA
Document Type and Number:
WIPO Patent Application WO/2021/107478
Kind Code:
A1
Abstract:
The present invention relates to a method for preparing 1-(4-benzyloxy-benzyl)-3-methyl-thiourea and a method for preparing a novel stable crystalline form A of 1-(4-benzyloxy-benzyl)-3-methyl-thiourea.

Inventors:
KWAK WOO YOUNG (KR)
SEO SUNGKI (KR)
KIM HEUNG JAE (KR)
Application Number:
PCT/KR2020/016086
Publication Date:
June 03, 2021
Filing Date:
November 16, 2020
Export Citation:
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Assignee:
THERASID BIOSCIENCE INC (KR)
International Classes:
C07C335/08
Foreign References:
KR20120130678A2012-12-03
US20180235912A12018-08-23
US20180065904A12018-03-08
Other References:
YOHAN PARK; SUCKCHANG HONG; MYUNGMO LEE; HYOJUN JUNG; WON-JEA CHO; EUN-JIN KIM; HO-YOUNG SON; MI-OCK LEE; HYEUNG-GEUN PARK: "N-methylthioureas as new agonists of retinoic acid receptor-related orphan receptor", ARCHIVES OF PHARMACAL RESEARCH, PHARMACEUTICAL SOCIETY OF KOREA, HEIDELBERG, vol. 35, no. 8, 1 September 2012 (2012-09-01), Heidelberg, pages 1393 - 1401, XP035106374, ISSN: 1976-3786, DOI: 10.1007/s12272-012-0809-0
ARMSTRONG, J.D. III WOLFE, C.N. KELLER, J.L. LYNCH, J. BHUPATHY, M. VOLANTE, R.P. DEVITA, R.J.: "A Novel Synthesis of Disubstituted Ureas Using Titanium(IV) Isopropoxide and Sodium Borohydride", TETRAHEDRON LETTERS, ELSEVIER, AMSTERDAM , NL, vol. 38, no. 9, 3 March 1997 (1997-03-03), Amsterdam , NL, pages 1531 - 1532, XP004053218, ISSN: 0040-4039, DOI: 10.1016/S0040-4039(97)00149-4
See also references of EP 4065557A4
Attorney, Agent or Firm:
CHOI, Eun Sun (KR)
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