Jian Shang

Title: Innovations of Jian Shang in Ruthenocene Diphosphine Ligands

Introduction

Jian Shang is a notable inventor based in Shanghai, China. He has made significant contributions to the field of chemistry, particularly in the development of ruthenocene diphosphine ligands. His innovative work has implications for metallic catalysis and asymmetric reactions.

Latest Patents

Jian Shang holds a patent for "C2-symmetrical ruthenocene diphosphine ligands only with surface chirality and their manufacture." This invention provides a method for creating C-symmetrical ruthenocene diphosphine ligands that exhibit surface chirality. The process involves using (S)-(S)-1,1'-2(diphenylphosphino)-2,2′-2[(S)-4-isopropyloxazolinyl] ruthenocene as a raw material. The product is synthesized through a series of reactions, including the removal of oxazoline and subsequent ester exchange or reduction alkylation. The resulting ligands demonstrate excellent reaction activity and stereoselectivity, making them valuable in various metallic catalysis applications.

Career Highlights

Jian Shang is affiliated with Shanghai Jiao Tong University, where he continues to advance his research in chemistry. His work has garnered attention for its practical applications in catalysis and reaction optimization.

Collaborations

Jian Shang collaborates with esteemed colleagues such as Wanbin Zhang and Fang Quan Xie. Their combined expertise contributes to the innovative research being conducted at Shanghai Jiao Tong University.

Conclusion

Jian Shang's contributions to the field of chemistry, particularly through his patent on ruthenocene diphosphine ligands, highlight his role as an influential inventor. His work not only advances scientific knowledge but also has practical applications in catalysis.