Aiying Guan

Title: Aiying Guan: Innovator in Uracil Compound Synthesis

Introduction

Aiying Guan is a notable inventor based in Shenyang, China. He has made significant contributions to the field of chemical synthesis, particularly in the development of methods for preparing uracil compounds. With a total of 2 patents, his work has garnered attention for its innovative approaches and practical applications.

Latest Patents

Aiying Guan's latest patents include a method for preparing an intermediate of a uracil compound containing isoxazoline. This method involves making 3-amino-4,4,4-trifluorocrotonic acid methyl ester react with substituted aryl carbamate. The process emphasizes the continuous evaporation of water and byproduct alcohol, which enhances the selectivity of the reaction and improves the utilization rate of raw materials. The method also reduces hydrolysis products, impurities, and tar, significantly shortening the reaction time and increasing productivity. After recrystallization, an intermediate product with a purity of over 97% can be obtained, achieving a quantitative yield of more than 85%. Another patent focuses on the preparation method of a phenylisoxazoline compound, utilizing 2-fluoro-4-chloro-5-methylaniline as the starting material. This synthesis method successfully combines the uracil and isooxazoline rings to produce the target compound.

Career Highlights

Aiying Guan has worked with prominent companies in the chemical industry, including Shenyang Sinochem Agrochemicals R&D Co., Ltd. and Jiangsu Yangnong Chemical Co., Ltd. His experience in these organizations has contributed to his expertise in chemical synthesis and innovation.

Collaborations

Throughout his career, Aiying has collaborated with talented individuals such as Jichun Yang and Qiao Wu, who have contributed to his research and development efforts.

Conclusion

Aiying Guan's innovative methods in the synthesis of uracil compounds highlight his significant contributions to the field of chemistry. His patents reflect a commitment to improving chemical processes and enhancing productivity in the industry.