Company Filing History:
Years Active: 2004
Title: Qiongzhong Jiang: Innovator in Chiral Alcohols
Introduction
Qiongzhong Jiang is a notable inventor based in Sunnyvale, CA. He has made significant contributions to the field of chemistry, particularly in the preparation of chiral alcohols. With a total of 2 patents, Jiang's work showcases his expertise and innovative approach to chemical processes.
Latest Patents
Jiang's latest patents include a process for preparing nonracemic chiral alcohols. This invention provides a catalyst system and a process for the preparation of a nonracemic chiral alcohol by hydrogenation of a ketone using a catalyst system that comprises ruthenium, a nonracemic chiral diphosphine ligand, an amino-thioether ligand, and a base. Another significant patent is for the preparation of nonracemic syn-1-(4-hydroxy-phenyl)-2-(4-hydroxy-4-phenyl-piperidin-1-yl)-1-propanol compounds. This invention outlines a process for preparing a nonracemic diastereomer of 1-(4-benzoxy-phenyl)-2-(4-hydroxy-4-phenyl-piperidin-1-yl)-1-propanol by hydrogenation of a corresponding nonracemic ketone using a catalyst system that includes ruthenium, a nonracemic diphosphine ligand, a bidentate amine ligand selected from amino-thioethers and achiral diamines, and a base.
Career Highlights
Throughout his career, Qiongzhong Jiang has worked with various companies, including Dsm N.V. His experience in the industry has allowed him to apply his innovative ideas in practical settings, contributing to advancements in chemical processes.
Collaborations
Jiang has collaborated with notable professionals, including Charles E. Tucker. These collaborations have further enriched his work and expanded the impact of his inventions.
Conclusion
Qiongzhong Jiang is a distinguished inventor whose work in the field of chiral alcohols has led to significant advancements. His innovative patents and collaborations highlight his contributions to chemistry and the importance of his research in the industry.