This research was supported by the National Natural Science Foundation of China (No. 20872081), Natural Science Foundation of Shandong (No. Y2006C31) and Shandong Science and Technology Promotion Proj
<正>Alum(KAl(SO_4)_2·12H_2O) is an inexpensive,efficient,non-toxic and mild catalyst for the one-pot synthesis ofα-aminophosphonates. A three component re