Kohichi Maruo

Title: Kohichi Maruo: Innovator in Optical Resolution Processes

Introduction

Kohichi Maruo is a notable inventor based in Akashi, Japan. He has made significant contributions to the field of chemistry, particularly in the area of optical resolution processes. His work has implications for the pharmaceutical industry, where the purity of compounds is crucial.

Latest Patents

Maruo holds a patent for a process titled "Process for optically resolving 2-(3-benzoylphenyl) propionic acid." This innovative process allows for the separation of (S)- or (R)-2-(3-benzoylphenyl)propionic acid from a mixture, achieving high optical purity of 99% or more. The method involves reacting the mixture with (S)- or (R)-3-methyl-2-phenylbutylamine in a suitable solvent, followed by the separation and liberation of the diastereomer salt. This process simplifies purification steps and is applicable for industrial production.

Career Highlights

Kohichi Maruo is associated with Nagase & Company, Ltd., where he has been able to apply his expertise in chemical processes. His work has not only advanced the field but has also contributed to the efficiency of industrial applications.

Collaborations

Maruo has collaborated with notable coworkers such as Hiroyuki Nohira and Shigeya Saijo. These collaborations have likely enhanced the development and application of his innovative processes.

Conclusion

Kohichi Maruo's contributions to the field of optical resolution are significant, showcasing his ability to innovate in chemical processes. His patent reflects a practical approach to achieving high purity in compounds, which is essential for various applications in the pharmaceutical industry.