The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 22, 2024
Filed:
Aug. 26, 2019
Brightgene Bio-medical Technology Co., Ltd., Suzhou, CN;
Jiandong Yuan, Suzhou, CN;
Xinliang Fu, Suzhou, CN;
Zhanli Sun, Suzhou, CN;
Xiaopei Xing, Suzhou, CN;
Jingcheng Hui, Suzhou, CN;
Qilei Cong, Suzhou, CN;
BRIGHTGENE BIO-MEDICAL TECHNOLOGY CO., LTD., Jiangsu, CN;
Abstract
The present invention provides a method for preparing an ecteinascidin compound and an intermediate thereof, and specifically provides a preparation method for a novel compound QT9, and a method of using QT9 to prepare an ecteinascidin compound. The method provided by the present invention has high reaction selectivity and high yield, the obtained compound is easy to purify, and defects in the prior art that multiple intermediates are oily substances, and the reaction selectivity is poor are solved. The method of the present invention is particularly applicable to industrial production.