Location History:
- Eugene, OR (US) (2016)
- Irvine, CA (US) (2022)
Company Filing History:
2 out of 4,550 
1 out of 15,475 
1 out of 2 Years Active: 2016-2025
Title: The Innovative Contributions of Alexander W. Sun
Introduction: Alexander W. Sun, an accomplished inventor based in Irvine, California, has made significant strides in the field of chemistry. He holds a patent that highlights his groundbreaking work in the development of gem-disubstituted pyrrolidines, piperazines, and diazepanes. His research focuses on transition metal-catalyzed reactions that enhance the efficiency of synthesizing complex molecular structures.
Latest Patents: Alexander W. Sun is the sole inventor of a patent titled "Gem-disubstituted pyrrolidines, piperazines, and diazepanes, and compositions and methods of making the same." This patent showcases innovative methods involving enantioselective arylation and vinylation reactions of α-substituted lactams. Notably, the process utilizes various electrophiles and ligands, resulting in the construction of α-quaternary centers in high yields, achieving up to 91% and impressive enantioselectivities of 97% ee.
Career Highlights: As an inventor, Alexander W. Sun has dedicated his career to advancing the field of chemical synthesis. His work at the California Institute of Technology exemplifies his commitment to innovation and excellence in research. The impact of his research is not only reflected in his patent but also in the advancement of techniques that enhance the efficiency of chemical reactions.
Collaborations: Throughout his career, Alexander has collaborated with esteemed colleagues, including Brian M. Stoltz and Stephan N. Hess. These partnerships underscore the importance of teamwork in driving scientific progress and innovation in chemistry. Together, they contribute to a collaborative environment that fosters the exchange of ideas and advancements in their research fields.
Conclusion: Alexander W. Sun stands out as a notable inventor in the realm of chemical research, with a patented invention that paves the way for new methodologies in synthesizing complex compounds. His contributions, alongside those of his collaborators, continue to push the boundaries of chemical innovation, and his work at the California Institute of Technology solidifies his legacy in the scientific community.