Honigman Miller Schwartz and Cohn LLP
Crystal form of regadenoson and preparation method thereof
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.
Shanghai Ziyuan Pharmaceutical Co., Ltd.
C C
C07H C07H
inventional inventional
Zhigang Qin Wei
Zhang Bao Liu