Company Filing History:
Years Active: 2020
Title: Innovations of Junlong Gao in Chemical Synthesis
Introduction
Junlong Gao is a notable inventor based in Zhejiang, China. He has made significant contributions to the field of chemical synthesis, particularly through his innovative methods for preparing complex chemical compounds. His work is characterized by a focus on efficiency and the use of novel catalysts.
Latest Patents
Junlong Gao holds a patent for a method of preparing 5-(4-bromophenyl)-4,6-dichloropyrimidine. This method involves several key steps, including the catalytic esterification of p-bromophenylacetic acid to produce methyl p-bromophenylacetate. Following this, the compound is reacted with dimethyl carbonate to synthesize 2-(4-bromophenyl)-malonic acid-1,3-dimethyl ester. The process continues with cyclization using formamidine hydrochloride to yield 5-(4-bromophenyl)-4,6-dihydroxypyrimidine, which is then chlorinated to produce the final product. Notably, a solid acid is utilized as a catalyst in the preparation of Intermediate 1, and sodium methoxide is employed as a base in the preparation of Intermediate 2, replacing traditional bases like sodium hydride or sodium amide.
Career Highlights
Junlong Gao is associated with Zhejiang Xianfeng Technologies Co., Ltd., where he applies his expertise in chemical synthesis. His innovative approaches have not only advanced his career but have also contributed to the company's reputation in the industry. His patent reflects a commitment to improving chemical processes and enhancing product yields.
Collaborations
Junlong Gao has collaborated with colleagues such as Feifei Gao and Minliang Zhu. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and the development of new methodologies in chemical synthesis.
Conclusion
Junlong Gao's contributions to the field of chemical synthesis through his innovative patent demonstrate his expertise and commitment to advancing scientific knowledge. His work continues to influence the industry and inspire future innovations.