Nobuo Matsumoto

Title: Nobuo Matsumoto: Innovator in Chemical Processes

Introduction

Nobuo Matsumoto is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of chemical processes, particularly in the production of cephem derivatives. With a total of 6 patents to his name, Matsumoto's work has had a notable impact on the industry.

Latest Patents

Matsumoto's latest patents include a process for producing 3-chloromethyl-3-cephem derivatives. This industrially advantageous process involves several steps, starting with the reaction of a thiazolineazetidinone derivative with a sulfonyl halide in the presence of an acid. The subsequent steps involve chlorination and the reaction with an alcoholate to recover the 3-chloromethyl-3-cephem derivative in crystalline form. Another patent focuses on preparing crystalline 3-chloromethyl-3-cephem derivatives through a similar reaction process, emphasizing the importance of pH control and solvent choice.

Career Highlights

Throughout his career, Nobuo Matsumoto has worked with notable companies such as Nippon Chemical Industrial Co., Ltd. and Seicho Kogyo Co., Ltd. His expertise in chemical processes has been instrumental in advancing the production techniques within these organizations.

Collaborations

Matsumoto has collaborated with esteemed colleagues, including Hiroshi Kawakabe and Yasuko Manabe. These partnerships have fostered innovation and contributed to the successful development of his patented processes.

Conclusion

Nobuo Matsumoto's contributions to the field of chemical processes, particularly in the production of cephem derivatives, highlight his role as a significant inventor. His innovative approaches and collaborations have paved the way for advancements in the industry.