Juncheng Zheng

Title: Juncheng Zheng: Innovator in Pharmaceutical Chemistry

Introduction

Juncheng Zheng is a prominent inventor based in Shanghai, China. He has made significant contributions to the field of pharmaceutical chemistry, particularly in the synthesis of various compounds that are crucial for drug development. With a total of 2 patents, Zheng's work is recognized for its innovative approaches and practical applications.

Latest Patents

Zheng's latest patents include an efficient process for the manufacture of (E)-4-N,N-dialkylamino crotonic acid in HX salt form. This invention focuses on producing high-quality compounds where R and R denote C-alkyl groups, and X represents an acid anion, such as chloride or bromide. Additionally, he has developed a process for synthesizing EGFR tyrosine kinase inhibitors featuring heterocyclic quinazoline, quinoline, or pyrimidopyrimidine core structures. This process utilizes the acid addition salt and activated derivatives as intermediates. Another notable patent involves a method for synthesizing N-H or N-alkyl 2-propynamides, which serve as intermediates in the manufacture of pharmaceutically active ingredients.

Career Highlights

Juncheng Zheng is currently employed at Boehringer Ingelheim International GmbH, where he continues to advance his research and development efforts. His work at this esteemed company has allowed him to collaborate with other talented professionals in the field.

Collaborations

Some of Zheng's notable coworkers include Da Deng and Guanghua Lv. Their collaborative efforts contribute to the innovative environment at Boehringer Ingelheim, fostering advancements in pharmaceutical research.

Conclusion

Juncheng Zheng's contributions to pharmaceutical chemistry through his patents and work at Boehringer Ingelheim highlight his role as an influential inventor. His innovative processes and methods are paving the way for new developments in drug synthesis and pharmaceutical applications.