Siwei Zhang

Title: Siwei Zhang: Innovator in Pharmaceutical Chemistry

Introduction

Siwei Zhang is a notable inventor based in Westfield, NJ (US). She has made significant contributions to the field of pharmaceutical chemistry, particularly in the synthesis of complex compounds. Her innovative work has led to the development of a patented process that enhances the efficiency of chemical synthesis.

Latest Patents

Siwei Zhang holds a patent for a process for the synthesis of a phenoxy diaminopyrimidine compound. This patent discloses a novel method for preparing Compound A free base, specifically 5-((2,4-diaminopyrimidin-5-yl)oxy)-4-iso-propyl-2-methoxybenzenesulfonamide, along with its citrate salt. The process is characterized by simplified chemistry and a high overall yield, with yields exceeding 50% from the starting material 2-isopropylphenol to Compound A citrate salt, and in some embodiments, greater than 60%. Additionally, the patent includes novel salts and solvates of Compound A.

Career Highlights

Throughout her career, Siwei Zhang has worked with prominent companies in the pharmaceutical industry. She has been associated with Merck Sharp & Dohme Corporation and Werthenstein Biopharma GmbH, where she has contributed her expertise in drug development and synthesis.

Collaborations

Siwei Zhang has collaborated with several professionals in her field, including Kevin Matthew Maloney and Kallol Basu. These collaborations have further enriched her research and development efforts.

Conclusion

Siwei Zhang is a distinguished inventor whose work in pharmaceutical chemistry has led to innovative processes that improve the synthesis of important compounds. Her contributions continue to impact the field positively.