Susumu Kanno

Title: Susumu Kanno: Innovator in Steroid Chemistry

Introduction

Susumu Kanno is a notable inventor based in Machida, Japan. He has made significant contributions to the field of steroid chemistry, holding a total of 3 patents. His work focuses on innovative processes for producing and separating steroid compounds.

Latest Patents

Kanno's latest patents include a process for producing 17-acetals of 3-alkoxyestra-2,5(10)-dien-17-ones. This process involves reacting 17-acetals of 3-alkoxyestra-1,3,5(10)-trien-17-ones with sodium or potassium, liquid ammonia, and a tertiary alcohol in the presence of specific solvents. The yield and selectivity of this reaction are enhanced by ensuring that the reactants are substantially dissolved in the reaction system, resulting in the formation of two liquid phases. Another significant patent involves the separation of 19-nor-.DELTA..sup.4-androstene-3,17-dione from a mixture of steroids obtained through the Birch reduction of estrone acetal ethers. This innovative method improves the hydrolysis of the reduction product, showcasing Kanno's expertise in steroid chemistry.

Career Highlights

Kanno is associated with Mitsubishi Chemical Industries Limited, where he continues to advance his research and development efforts. His work has not only contributed to the scientific community but has also had practical applications in the pharmaceutical industry.

Collaborations

Throughout his career, Kanno has collaborated with esteemed colleagues such as Ken-ichi Wakabayashi and Tadashi Oohama. These partnerships have fostered a collaborative environment that enhances innovation and research outcomes.

Conclusion

Susumu Kanno's contributions to steroid chemistry through his innovative patents and collaborations highlight his role as a significant inventor in the field. His work continues to influence advancements in pharmaceutical applications and steroid research.