Ribin Qian

Title: Ribin Qian and a Macrocyclic Compound Crystal Form Patent.

Introduction

Ribin Qian is an inventor based in Guangzhou, China, and is associated with Hitgen, Inc. His patent work includes a drug-synthesis invention concerning the crystal form of a macrocyclic compound, its preparation, and its use.

Latest Patents

Qian is credited with 1 patent: “Crystal Form of Macrocyclic Compound, and Preparation Method Therefor and Use Thereof.” The patent describes a crystal form of the macrocyclic compound (6R,16R)-9-fluoro-16-methyl-13-oxa-2,17,21,25-tetraazapentane[16.6.2.0⁰⁰]dihexadecane-1(25),7,9,11,18(26),19,21,23-octane-19-carbonitrile.

The disclosed form is identified by characteristic X-ray diffraction peaks at 2θ values of 9.49±0.2, 10.60±0.2, 11.54±0.2, 14.10±0.2, 17.09±0.2, 19.15±0.2, 20.30±0.2, 22.85±0.2, 23.89±0.2, and 27.74±0.2. According to the supplied patent description, the crystal form is non-hygroscopic and has good stability and pharmacokinetic properties.

Career Highlights

Qian’s listed patent reflects work in pharmaceutical research and drug synthesis. The invention focuses on characterizing a compound’s crystal form and describing its preparation and potential use.

Collaborations

Ruizhi Guo and Fei Qin are identified as Qian’s coworkers. The supplied information does not specify their roles in the patent or the nature of their collaboration.

Conclusion

Ribin Qian’s patent activity highlights an invention focused on a stable, non-hygroscopic crystal form of a macrocyclic compound and its preparation and use.