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.

Date of Patent:
Oct. 26, 2021

Filed:

Feb. 03, 2019
Applicants:

Yabao Pharmaceutical Group Co., Ltd., Shanxi, CN;

Suzhou Yabao Pharmaceutical R&d Co., Ltd., Jiangsu, CN;

Inventors:

Fei Zhang, Jiangsu, CN;

Peng Wang, Jiangsu, CN;

Lin Zhu, Jiangsu, CN;

Lili Sun, Jiangsu, CN;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07H 19/23 (2006.01); C07H 1/00 (2006.01);
U.S. Cl.
CPC ...
C07H 19/23 (2013.01); C07H 1/00 (2013.01); C07B 2200/13 (2013.01);
Abstract

The present application relates to a salt of a pyranose-substituted heterocyclic compound, a preparation method therefor, and use thereof, and in particular, to an acid addition salt of a compound of formula (I) or a prodrug thereof, and further relates to D-glucuronate of a crystalline compound of formula (I) or a prodrug thereof. D-glucuronate of a crystalline compound of formula (II) has particular advantages in terms of crystallizability, subsequent purification, stability, formulation medicinal properties or quality control, and is most applicable for improving the formulation pharmaceutical properties, purity and quality control, as well as large-scale process development of such drugs.


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