* Correspondent. E-mail: pharmlab@zjut.edu.cn ... New Vilsmeier reaction for facile synthesis of 4-phenyl-2,4- dihydrochromeno[4,3-c]pyrazoles with bis(trichloromethyl) carbonate/DMF ... Zhiwei Chen, Yanyan Yang and Weike Su* Key Laboratory of Pharmaceutical Engineering of Ministry of Education, College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou 310014, PR China ... An efficient method for the synthesis of 4- ...
