An Efficient Chemoselective Synthesis of Pyrido[2,3-d]pyrimidine Derivatives under Microwave Irradiation
Shujiang Tu*, Chunmei Li, Feng Shi, Dianxiang Zhou, Qingqing Shao, Longji Cao, Bo Jiang School of Chemistry and Chemical Engineering, Key Laboratory of Biotechnology for Medicinal Plant, Xuzhou Normal University, Xuzhou, Jiangsu 221116, P. R. of China Fax: +86(516)83500065; e-Mail: laotu@xznu.edu.cn;