A Novel and Practical Method for the Synthesis of 3-Trifluoromethylated Pyrazoles Xiao-Qing Tang and Chang-Ming Hu* Shanghai Institute of Organic Chemistry, Academia Sinica, 345 Lingling Lu, Shanghai 200032, China ... A new building block strategy for the synthesis of a series of 3-trifluoromethyl substituted pyrazoles 4 by a two-step sequence is described. ... The development of new and efficient synthetic methodolo- gies for the selective introduction of the ...
