1994～2003年,催化不对称合成领域的SCI论文共计15249篇。从论文的年代分布来看呈现从少到多,逐年增长的发展态势(见图1)。2003年与1994年相比,论文数量翻了一番。在10年的全部论文中,共涉及73个国家和地区,而近5年论文数量最多的TOP20国占了当期全部论文的92．7％,可见,催化不对称合成领域的研究工作主要集中在TOP20国。 From 1994 to 2003, a total of 15249 SCI papers were prepared in the field of catalytic asymmetric synthesis. According to the dissertation’s age distribution, it appears from less to more, increasing year by year (Figure 1). The number of papers doubled in 2003 compared to 1994. In all 10-year papers, a total of 73 countries and regions were involved, while the TOP20 countries with the largest number of papers in the recent 5 years accounted for 92.7% of all the papers published in the current period. Therefore, the research work in the field of catalytic asymmetric synthesis mainly focuses on TOP20 countries.