Pucha Yan

Title: Pucha Yan: Innovator in Organic Chemistry

Introduction

Pucha Yan is a notable inventor based in Taizhou, China. He has made significant contributions to the field of organic chemistry, particularly through his innovative patents. With a total of 2 patents, Yan has demonstrated his expertise and creativity in developing new chemical processes.

Latest Patents

Pucha Yan's latest patents include groundbreaking work in the asymmetrical hydrogenation reaction of ketonic acid compounds. This invention relates to the technical field of organic chemistry, specifically focusing on the asymmetrical hydrogenation of a β-ketonic acid compound. The technical proposal involves a chiral spiro-pyridyl amido phosphine ligand iridium complex, which enhances the efficiency of the reaction.

Another significant patent is related to the silodosin intermediate and its preparation method. This invention provides a high-purity optically pure silodosin, achieving an optical purity above 99%. The method involves specific structural components that facilitate the synthesis of this important pharmaceutical intermediate.

Career Highlights

Throughout his career, Pucha Yan has worked with various companies, including Zhejiang Jiuzhou Pharmaceutical Co., Ltd. His experience in the pharmaceutical industry has allowed him to apply his innovative ideas to practical applications, contributing to advancements in drug development.

Collaborations

Pucha Yan has collaborated with notable professionals in his field, including Yuanqiang Li and Daqing Che. These collaborations have further enriched his research and development efforts, leading to successful innovations.

Conclusion

Pucha Yan is a distinguished inventor whose work in organic chemistry has led to significant advancements in the field. His innovative patents and collaborations highlight his commitment to improving chemical processes and pharmaceutical development.