This inventor holds 2 USPTO granted patents. Top assignees: Nippon Chemical Industrial Co., Ltd., Shanghai Jiao Tong University. Active years: 2013-2015.
Company Filing History:
1 out of 163 
1 out of 408 
Years Active: 2013-2015
Title: Delong Liu: Innovator in Asymmetric Hydrogenation and Ruthenocene Ligands
Introduction
Delong Liu is a prominent inventor based in Shanghai, China. He has made significant contributions to the field of chemistry, particularly in the development of innovative methods for asymmetric hydrogenation and the synthesis of unique ligands.
Latest Patents
Delong Liu holds 2 patents that showcase his expertise. His first patent is an "Asymmetric hydrogenation method for ketone compound." This invention involves a process that operates under a hydrogen atmosphere, utilizing an in situ catalyst derived from a chiral ligand and a ruthenium salt. The method allows for the addition of a ketone compound and a base into a second solvent, achieving a remarkable conversion rate of 100% and an asymmetric inducement effect of 99.7%. The advantages of this invention include a simple procedure, high conversion and selectivity, good atom economy, and promising industrial application prospects.
His second patent focuses on "C2-symmetrical ruthenocene diphosphine ligands only with surface chirality and their manufacture." This invention provides a method for creating C-symmetrical ruthenocene diphosphine ligands with surface chirality. The process involves using specific raw materials and conducting reactions that yield ligands suitable for various metallic catalysis asymmetric reactions, demonstrating excellent reaction activity and stereoselectivity.
Career Highlights
Delong Liu has worked with notable organizations, including Nippon Chemical Industrial Co., Ltd. and Shanghai Jiao Tong University. His experience in these institutions has contributed to his development as an inventor and researcher in the field of chemistry.
Collaborations
Throughout his career, Delong Liu has collaborated with esteemed colleagues such as Wanbin Zhang and Hui Guo. These partnerships have likely enriched his research and innovation endeavors.
Conclusion
Delong Liu is a distinguished inventor whose work in asymmetric hydrogenation and ruthenocene ligands has made a significant impact in the field of chemistry. His innovative approaches and collaborations continue to advance the scientific community.