Changfeng Li

Title: Changfeng Li: Innovator in Pharmaceutical Chemistry

Introduction

Changfeng Li is a notable inventor based in Teda, China. He has made significant contributions to the field of pharmaceutical chemistry, particularly through his innovative methods for synthesizing complex compounds. With a total of 2 patents, his work has garnered attention in the scientific community.

Latest Patents

Changfeng Li's latest patents include a method for preparing sulfobutyl ether-β-cyclodextrin and a method for preparing nilotinib. The first patent describes a process that utilizes β-cyclodextrin and 1,4-sulfobutyrolactone as raw materials. By introducing an organic solvent into an alkaline aqueous solution, the solubility of 1,4-sulfobutyrolactone is enhanced, leading to improved synthesis yields of sulfobutyl ether-β-cyclodextrin. The operations involved include ultrasonic dialysis, active carbon decoloration, and freeze-drying to obtain a powder product. The second patent outlines a method for preparing nilotinib, which involves performing an aminocarbonylation reaction on a specific compound and subsequently deprotecting an R group to yield nilotinib.

Career Highlights

Throughout his career, Changfeng Li has worked with prominent companies in the pharmaceutical industry. Notably, he has been associated with Asymchem Laboratories and Tianjin Asymchem Pharmaceutical Co., Ltd. His expertise in pharmaceutical chemistry has allowed him to contribute to various innovative projects.

Collaborations

Changfeng Li has collaborated with several professionals in his field, including Hao Hong and Gage James. These collaborations have further enriched his research and development efforts.

Conclusion

Changfeng Li's contributions to pharmaceutical chemistry through his innovative patents demonstrate his commitment to advancing the field. His work continues to influence the development of new pharmaceutical compounds, showcasing the importance of innovation in science.