Synthesis of pyrazolo[4′,3′:3,4]pyrido[1,2-a]benzimidazoles and related new ring systems by tandem cyclisation of vic-alkynylpyrazole-4-carbaldehydes with (het)aryl-1,2-diamines and investigation of their optical properties

Autor: Milišiūnaitė, Vaida, Arbačiauskienė, Eglė, Bieliauskas, Aurimas, Vilkauskaitė, Gytė, Šačkus, Algirdas, Holzer, Wolfgang
Zdroj: In Tetrahedron 27 May 2015 71(21):3385-3395
Databáze: ScienceDirect