Synthesis of 3, 4-Dimethoxy-4’-hydroxychalcone by ultrasound
YANG Jie1, LI Lizhong1, SHEN Fengshan2, LI Xiangdan1*
Chinese Journal of Applied Chemistry . 2012, (06): 724 -726 .  DOI: 10.3724/SP.J.1095.2012.00385