Company Filing History:
Years Active: 2004
Title: Mitsuharu Hamanaka: Innovator in Optically Active Aminoalcohol Production
Introduction
Mitsuharu Hamanaka is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of chemistry, particularly in the production of optically active aminoalcohols. His work is essential for the synthesis of optically active medicines and pesticides.
Latest Patents
Hamanaka holds a patent for a process for producing optically active 4-amino-2-methylbutane-1-ol. This industrially advantageous process involves treating racemic 4-amino-2-methylbutane-1-ol with an optically active organic acid. The resulting diastereomeric salt is crystallized and subjected to solid-liquid separation, yielding optically active 4-amino-2-methylbutane-1-ol. The process further includes decomposing the diastereomeric salt with a solvent and an alkali, allowing for the recovery of the optically active compound.
Career Highlights
Hamanaka is associated with Mitsubishi Rayon Company, Limited, where he has applied his expertise in chemical processes. His innovative approach has led to advancements in the production of important chemical intermediates.
Collaborations
Hamanaka has collaborated with notable coworkers, including Eiji Ozaki and Takakazu Endou. Their combined efforts have contributed to the success of various projects within their field.
Conclusion
Mitsuharu Hamanaka's work in the production of optically active aminoalcohols showcases his innovative spirit and dedication to advancing chemical processes. His contributions are vital for the development of pharmaceuticals and agricultural products.