Company Filing History:
Years Active: 2008
Title: **Stéphane Frein: Innovator in Asymmetric Reduction Chemistry**
Introduction
Stéphane Frein is a notable inventor based in Saint-Aubin-de-Luigné, France, recognized for his contributions to the field of asymmetric reduction reactions. With a keen focus on the development of chiral compounds, Frein has secured one patent that exemplifies his innovative approach to chemistry.
Latest Patents
Frein's patent, titled "Method for the in situ preparation of chiral compounds derived from oxazaborolidine-borane complexes," describes a significant process for preparing chiral compounds. The method involves the combination of a metal borohydride, a Lewis base, and an inorganic acid ester, followed by the addition of an optically active amino alcohol and optionally a halide. The resulting complex plays a crucial role as a catalyst in asymmetric reduction reactions, which is particularly valuable for synthesizing chiral alcohols or chiral amines from prochiral ketones or ether oximes.
Career Highlights
Frein is currently employed at Zach System S.p.A., where he leverages his expertise in chemistry to drive innovation in his field. His work has a distinct focus on enhancing chemical processes, contributing to the advancement of synthesis techniques used in various applications.
Collaborations
Throughout his career, Frein has collaborated with talented coworkers such as Alain Burgos and Blandine Bertrand. These partnerships have allowed for a synergistic approach to research and development, facilitating innovative solutions in the domain of asymmetric synthesis.
Conclusion
Stéphane Frein stands out as an innovative inventor in the field of chemistry, particularly in the synthesis of chiral compounds. His patent on the preparation of oxazaborolidine-borane complex derivatives showcases his dedication to advancing scientific knowledge and practical applications in asymmetric reduction reactions. As Frein continues his work at Zach System S.p.A., he remains a key figure in the landscape of chemical innovation.