A Novel, Green and Mild Access to Azole Heteroarenes: Synthesis of Pyrazoles in Brønsted Acidic Ionic Liquid at Room Tem-perature
ZHANG Yan, JIN Hong, YOU Xin-Wen, SHANG Zhi-Cai
Chin. J. Org. Chem. . 2011, (03): 387 -391 .