Kimihiko Sano

Title: Kimihiko Sano: Innovator in Phosphoramidite Activators and Quaternary Ammonium Salts

Introduction

Kimihiko Sano is a notable inventor based in Saitama, Japan. He has made significant contributions to the field of chemistry, particularly in the development of phosphoramidite activators and quaternary ammonium salts. With a total of 2 patents, Sano's work has implications for various chemical synthesis processes.

Latest Patents

Sano's latest patents include a phosphoramidite activator designed to enhance the solubility of 5-benzylthio-1H-tetrazole in acetonitrile without compromising the yield and purity of the target product. This invention involves a phosphoramidite activator that contains specific compounds such as piperidine, pyrrolidine, N-alkylpiperidine, and N-alkylpyrrolidine, along with 5-benzylthio-1H-tetrazole and acetonitrile. Additionally, he has developed a method for preparing a quaternary ammonium salt by reacting an alkyl halide with a pyridine compound or an N-lower alkyl imidazole at elevated temperatures. This method also includes a continuous production process for quaternary ammonium salts using a pipe reactor.

Career Highlights

Throughout his career, Kimihiko Sano has worked with prominent companies such as Wako Pure Chemical Industries, Inc. and Fujifilm Wako Pure Chemical Corporation. His experience in these organizations has allowed him to refine his expertise in chemical innovations and patent development.

Collaborations

Sano has collaborated with notable coworkers, including Yoji Urano and Takuhiro Kimura. These partnerships have contributed to the advancement of his research and the successful development of his patents.

Conclusion

Kimihiko Sano's contributions to the field of chemistry through his innovative patents highlight his role as a significant inventor. His work continues to influence chemical synthesis processes and showcases the importance of innovation in scientific research.