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:
Nov. 07, 2017
Filed:
Jul. 03, 2015
Applicant:
Shanghai Ziyuan Pharmaceutical Co., Ltd., Minhang, Shanghai, CN;
Inventors:
Assignee:
Shanghai Ziyuan Pharmaceutical Co., Ltd., Shanghai, CN;
Primary Examiner:
Int. Cl.
CPC ...
C07H 19/16 (2006.01); C07H 19/167 (2006.01);
U.S. Cl.
CPC ...
C07H 19/16 (2013.01); C07H 19/167 (2013.01);
Abstract
The present invention relates to the field of medicinal chemistry, and discloses a new crystal form of regadenoson, i.e., a crystal form E of regadenoson, as well as a method for preparing the new crystal form of regadenoson. The crystal form E of regadenoson according to the present invention has excellent performances in terms of radionuclide myocardial perfusion imaging, and has a poor toxicity, good storage stability, and can be used in the preparation of a medicament used as a stress agent for radionuclide myocardial perfusion imaging.