Quaternary Ammonium Catalysts and Their Application in Green Pharmaceuticals
With the enhancement of environmental awareness and the improvement of policies and regulations,Chinese pharmaceutical industry is also gradually transforming to green development.This paper mainly discusses the following aspects:firstly,it introduces the concept and characteristics of green pharmaceuticals;secondly,it elaborates the definition,classification and synthesis of quaternary ammonium catalysts.and analyses the applications of quaternary ammonium catalysts in green pharmaceuticals;finally,it looks forward to the development trend of quaternary ammonium catalysts.