作者:Vincent Leroy、George E. Lee、Jiang Lin、Sandra H. Herman、Thomas B. Lee
DOI:10.1021/op0002242
日期:2001.3.1
Pre-clinical evaluation of a potential antipsychotic agent required a convenient synthesis of 3-(1-piperazinyl)-1H-indazole derivatives. Improvements of the original preparation provided a five-step sequence to an unsubstituted piperazine intermediate, with a 67% overall yield. All intermediates were isolated by filtration.