The invention provides a new process for producing high yield of 6 - chloro - 2-hydroxy quinoxaline, using the process in the production of 6 - chloro 2 hydroxyl quinoxaline content and total yield can reach more than 95%. 6-chlorine-2 - hydroxy quinoxaline is quizalofop-p-ethyl TC synthesis of key intermediates, quizalofop-p-ethyl TC is the quality of the application of this technology will greatly improve while reducing production costs.
In recent years, fengle agrochemical active scientific and technological innovation, development of independent intellectual property rights, on the development of new products and new technology. In 2015, the company has won 3 national invention patents, as of now, the company has dozens of effective patents, in 2014, 2015 for two consecutive years, Anhui Province, the invention of the patent hundred enterprises.