Title:
METHOD FOR SYNTHESIZING KETO-ISOPHORONE
Document Type and Number:
WIPO Patent Application WO/2020/108186
Kind Code:
A1
Abstract:
Provided is a method for synthesizing keto-isophorone. The method comprising: using 3,5,5-trimethyl-4-hydroxy-2-cyclohexene-1-one (HIP) as a raw material; using a benzoquinone compound (II) as an oxidizing agent and a catalyst; introducing oxygen or air; oxidizing an inert solvent to generate a keto-isophorone (KIP) and a hydroquinone compound (III);
Inventors:
HANG JIAO (CN)
LI WEIMING (CN)
LIU XIANGHONG (CN)
ZENG QINGYU (CN)
LI WEIMING (CN)
LIU XIANGHONG (CN)
ZENG QINGYU (CN)
Application Number:
PCT/CN2019/113085
Publication Date:
June 04, 2020
Filing Date:
October 24, 2019
Export Citation:
Assignee:
SHANGYU NHU BIO CHEM CO LTD (CN)
ZHEJIANG NHU PHARMACEUTICAL CO LTD (CN)
ZHEJIANG NHU PHARMACEUTICAL CO LTD (CN)
International Classes:
C07C45/37; C07C45/78; C07C49/603
Foreign References:
| CN109456153A | 2019-03-12 | |||
| CN101417935A | 2009-04-29 | |||
| CN101417936A | 2009-04-29 | |||
| US4898985A | 1990-02-06 |
Other References:
O ISLER ET AL: "237. Synthesen in der Carotinoid-Reihe 7. Totalsynthese von Zeaxanthin und Physalien", HELVETICA CHIMICA ACTA, vol. 39, no. 7, 1 January 1956 (1956-01-01), pages 2041 - 2053, XP055711961, DOI: 10.1002/hlca.19560390717
Attorney, Agent or Firm:
HANGZHOU ZHIXIAN PATENT AGENCY (CN)
Download PDF: