Jiandi Yu

Title: Jiandi Yu: Innovator in Agrochemical Preparation Methods

Introduction

Jiandi Yu is a notable inventor based in Hangzhou, China. He has made significant contributions to the field of agrochemicals, particularly through his innovative preparation methods. His work has led to advancements in the synthesis of important chemical compounds used in agriculture.

Latest Patents

Jiandi Yu holds a patent for the preparation method of carfentrazone-ethyl. This method involves a series of chemical reactions, starting with the reaction of 1-(5-amino-4-chloro-2-fluorophenyl)-4-difluoromethyl-3-methyl-1H-1,2,4-triazol-5-one with acrylic acid. This reaction produces 2-chloro-3-{2-chloro-5-[4-(difluoromethyl)-4,5-dihydro-3-methyl-5-oxo-1H-1,2,3-triazol-1-yl]-4-fluorophenyl}propionic acid. The subsequent reaction with ethanol, in the presence of an acidic catalyst, results in the formation of carfentrazone-ethyl. This patent highlights his expertise in chemical synthesis and innovation in agrochemical applications.

Career Highlights

Throughout his career, Jiandi Yu has worked with several prominent companies in the agrochemical sector. Notably, he has been associated with Zhejiang Zhuji United Chemicals Co., Ltd. and Luzhou Oriental Agrochemicals Co., Ltd. His experience in these organizations has contributed to his development as a leading inventor in his field.

Collaborations

Jiandi Yu has collaborated with several professionals in his field, including Qunzhen Guo and Guoping Cai. These collaborations have likely enhanced his research and development efforts, leading to successful innovations.

Conclusion

Jiandi Yu is a distinguished inventor whose work in the preparation of carfentrazone-ethyl showcases his innovative spirit and expertise in agrochemicals. His contributions continue to impact the industry positively.