CRYSTALLINE FORM OF OREXIN RECEPTOR ANTAGONIST, PROCESSES FOR PREPARATION THEREOF AND USE THEREOF
First Claim
1. A crystalline form CS2 of E-2006, wherein the X-ray powder diffraction pattern shows characteristic peaks at 2theta values of 7.8°
- ±
0.2°
, 15.6°
±
0.2° and
11.4°
±
0.2°
using CuKα
radiation.
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Accused Products
Abstract
The present disclosure provides a novel crystalline form of Lemborexant and processes for preparation thereof. Pharmaceutical composition containing Lemborexant, and use of Lemborexant for preparing orexin receptor antagonist drug, and use of Lemborexant for preparing drugs treating insomnia and irregular sleep-wake rhythm disorder are also provided. The crystalline form of the present disclosure have one or more improved properties compared with crystalline forms of prior arts, and has significant values for future drug optimization and development.
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9 Claims
-
1. A crystalline form CS2 of E-2006, wherein the X-ray powder diffraction pattern shows characteristic peaks at 2theta values of 7.8°
- ±
0.2°
, 15.6°
±
0.2° and
11.4°
±
0.2°
using CuKα
radiation. - View Dependent Claims (2, 3, 4, 5, 6, 7, 9)
- ±
-
8. (canceled)
Specification