Clean Synthesis of 3-Methyl-6-amino-5-cyano-4-aryl-1-phenyl-1,4- dihydropyrano[2,3-c]pyrazole in Water
Shi Daqing;Zhang Shu;Zhang Qiya;Tu Shujiang;Hu Hongwen
Chin. J. Org. Chem. . 2003, (11): 1314 -1316 .