Ｔｒｏｓｔ在 1991年首先提出了原子经济性 (Ａｔｏｍｅｃｏｎｏ ｍｙ)的概念 ,即原料分子中究竟有百分之几的原子转化成了产物。理想的原子经济反应是原料中的原子百分之百地转变成了产物 ,不产生副产物或废物 ,实现废物的零排放 (Ｚｅｒｏｅｍｉｓｓｉｏｎ)“原子经济”反应@ Trost first proposed in 1991 the concept of atomic economy (Atomecono my), that is, what percentage of atoms in the raw material molecules into the product. The ideal atomic economic response is that the atomic weight of the raw material is converted into a product by 100%, without by-products or waste, resulting in Zeroemission “atomic economy” reaction;