Shirui Chang

Title: Innovations of Shirui Chang

Introduction

Shirui Chang is an accomplished inventor based in Hangzhou, China. He has made significant contributions to the field of chemistry, particularly in the development of novel compounds and ligands. With a total of two patents to his name, his work showcases the intersection of innovation and practical application in chemical processes.

Latest Patents

Shirui Chang's latest patents include the invention of 7,7′-dihalo-3,3,3′,3′-tetramethyl-1,1′-spirobiindane and its preparation method. This compound is represented by a specific formula and can be synthesized using a racemic or optically active 3,3,3′,3′-tetramethyl-1,1′-spirobiindane-6,6′-diol as a raw material through a series of reactions. The 7,7′-dihalo-3,3,3′,3′-tetramethyl-1,1′-spirobiindane serves as a key intermediate for preparing 3,3,3′,3′-tetramethyl-1,1′-spirobiindane-based phosphine ligand compounds. Another notable patent involves a 3,3,3′,3′-tetramethyl-1,1′-spirobiindane-based phosphine ligand, which is crucial for various asymmetric catalytic reactions, including asymmetric hydrogenation and asymmetric allyl alkylation.

Career Highlights

Shirui Chang is affiliated with Zhejiang University, where he continues to advance his research and innovation in chemistry. His work not only contributes to academic knowledge but also has practical implications in industrial applications.

Collaborations

Shirui Chang collaborates with notable colleagues such as Xufeng Lin and Linxi Yao, enhancing the scope and impact of his research through teamwork and shared expertise.

Conclusion

Shirui Chang's innovative work in the field of chemistry, particularly through his patents, demonstrates his commitment to advancing scientific knowledge and practical applications. His contributions are poised to have a lasting impact on the industry and academia alike.