Company Filing History:
1 out of 41 
1 out of 8 Years Active: 2017
Title: Lirong Yue: Innovator in Pharmaceutical Chemistry
Introduction
Lirong Yue is a notable inventor based in Xinchang County, China. He has made significant contributions to the field of pharmaceutical chemistry, particularly in the development of methods for synthesizing important pharmaceutical intermediates. His work is characterized by innovative approaches that enhance efficiency and reduce costs in drug production.
Latest Patents
Lirong Yue holds a patent for a method for preparing a sitagliptin intermediate. The patent describes a process that involves dissolving a compound in an organic solvent and utilizing fatty acid catalysis along with chlorosilane to perform a reduction reaction of carbon-carbon double bonds. This method avoids the use of precious metals as catalysts, resulting in lower costs and simpler post-treatment processes. The product achieved through this method boasts a high yield, chemical purity, and optical purity, with a de % greater than 99.6%. This preparation method is not only effective for synthesizing sitagliptin but is also suitable for industrial production.
Career Highlights
Throughout his career, Lirong Yue has worked with prominent organizations such as the Shanghai Institute of Pharmaceutical Industry and Zhejiang Medicine Co., Ltd. His experience in these institutions has allowed him to refine his skills and contribute to significant advancements in pharmaceutical research and development.
Collaborations
Lirong Yue has collaborated with several professionals in his field, including Kuaile Lin and Zhengyan Cai. These collaborations have fostered a productive environment for innovation and have led to the successful development of new methodologies in pharmaceutical chemistry.
Conclusion
Lirong Yue's contributions to the field of pharmaceutical chemistry, particularly through his innovative patent for synthesizing sitagliptin intermediates, highlight his role as a key inventor in the industry. His work not only advances scientific knowledge but also has practical implications for industrial production.