It was found that TBD, a cheap and commercially available guanidine, easily catalysed the synthesis of biologically important 3,5-diarylpyrazolines from chalcones and acylhydrazines via a selective secondary amine alkylation.
研究发现,TBD(一种便宜且可商业获得的
胍类化合物)能够通过选择性二级胺烷基化,轻松催化从查尔孔和酰
肼合成
生物重要的3,5-二芳基
吡唑啉。