Company Filing History:
Years Active: 2023-2025
Title: Innovations of Hanghang Wang in Green Chemistry
Introduction
Hanghang Wang is a notable inventor based in Suzhou, China. He has made significant contributions to the field of green chemistry through his innovative methods for preparing various chemical compounds. With a total of two patents to his name, Wang's work emphasizes environmentally friendly practices in chemical synthesis.
Latest Patents
Wang's latest patents include a method for preparing carbonyl sulfone and a method for preparing perfluoroalkyl sulfinate ester. The first patent discloses a method for preparing β-carbonyl sulfones using an α-carbonyl diazo compound and sodium arylsulfinate as reaction substrates. This method employs cheap silver nitrate as a catalyst, 1,10-phenanthroline as a ligand, and potassium persulfate as an oxidant. The advantages of this method include a wide range of reaction substrates, short reaction time, high reaction yield, and mild reaction conditions. Importantly, the reagents used are non-toxic and environmentally friendly, aligning with contemporary green chemistry principles.
The second patent outlines a method for preparing a perfluoroalkyl sulfinate ester. This method involves reacting an α-carbonyldiazo compound with sodium perfluoroalkyl sulfinate in an organic solvent, using anhydrous copper acetate as a catalyst and tert-butyl hydroperoxide (TBHP) as a green oxidant. This approach also boasts a wide range of reaction substrates, short reaction time, high yield, and mild conditions. Notably, it simplifies the reaction process by eliminating the need for pre-activation of sodium perfluoroalkyl sulfinate.
Career Highlights
Hanghang Wang is affiliated with Soochow University, where he continues to advance his research in green chemistry. His innovative methods have the potential to significantly impact the field by providing sustainable alternatives for chemical synthesis.
Collaborations
Wang collaborates with esteemed colleagues such as Xiaobing Wan and Yonggao Zheng, contributing to a dynamic research environment that fosters innovation and development in chemistry.
Conclusion
Hanghang Wang's contributions to green chemistry through his innovative patents highlight the importance of sustainable practices in chemical synthesis. His work not only advances scientific knowledge but also promotes environmental responsibility in the field.