Application of Nickel Complexes with 1,3-Dicarbonyl Compounds for Synthesis of Fused 4-Aminopyridine-Based Systems
摘要:
A potential of using nickel complexes with 1,3-dicarbonyl compounds for the transformation of heterocyclic aminonitriles into fused systems with a 4-aminopyridine core was evaluated. A possibility of introducing acidophobic groups into the molecules of fused compounds was shown.
Tin (IV) Chloride-Promoted One-Pot Synthesis of Novel Tacrine Analogues
作者:Huanan Hu、Liangfu Song、Qianqian Fang、Junjun Zheng、Zhiwei Meng、Yiting Luo
DOI:10.3390/molecules16021878
日期:——
A facile synthesis of potential acetylcholinesterase (AChE) inhibitors, the tacrine analogues 3a-p, has been accomplished by direct cyclocondensation of 1-aryl-4-cyano-5-aminopyrazole with β-ketoesters using tin(IV) chloride as catalyst. The structures of all the compounds have been confirmed by IR, 1H- and 13C-NMR.