A One-Pot Synthesis of 2,5-Disubstituted-1,3,4-thiadiazoles and N-Substituted Dihydrazides under Ultrasonic Irradiation and Solid-Liquid Phase Transfer Catalysis
LI Ying-Jun* ,a, HOU Ni-Bo a, JIN Kun b, SUN Shu-Qin a
SUN Xiao-Xiao a, LIU Jun a, DING Wan-Gang a
Chin. J. Org. Chem. . 2008, (01): 131 -136 .