Junji Negishi

Title: Junji Negishi: Innovator in Fluorinated Compounds

Introduction

Junji Negishi is a prominent inventor based in Saitama, Japan. He has made significant contributions to the field of chemistry, particularly in the development of fluorinated compounds. With a total of seven patents to his name, Negishi's work has had a notable impact on various industries.

Latest Patents

Negishi's latest patents include the invention of the 3-hydroxypropyl ester of 2-trifluoromethylacrylic acid. This novel compound is represented by a specific chemical formula and involves a process for its production. The process entails reacting 2-trifluoromethylacrylic halide with 1,3-propanediol in the presence of a base. Another significant patent is for the process of producing 1,1,1-trifluoroacetone. This compound serves as an important intermediate in pharmaceuticals and agricultural chemicals. The production process involves hydrogenolysis of a halogenated trifluoroacetone in a liquid phase containing water, utilizing a transition metal catalyst.

Career Highlights

Throughout his career, Junji Negishi has worked with notable companies, including Central Glass Company, Limited. His expertise in chemistry has allowed him to develop innovative processes and compounds that are valuable in various applications.

Collaborations

Negishi has collaborated with esteemed colleagues such as Toshikazu Kawai and Yutaka Maruyama. These partnerships have contributed to the advancement of his research and the successful development of his patented inventions.

Conclusion

Junji Negishi's contributions to the field of chemistry, particularly in the area of fluorinated compounds, highlight his innovative spirit and dedication to research. His patents reflect a commitment to advancing chemical processes that benefit multiple industries.