Synthesis of long-chained oligo-α-aminopyridines by tandem Pd-catalyzed cross-coupling aminations and their helical dinuclear complexes

Autor: Hasan Hasanov, Rui-Ren Wang, Gene-Hsiang Lee, Shie-Ming Peng, Uan-Kang Tan
Rok vydání: 2004
Předmět:
Zdroj: Tetrahedron Letters. 45:7765-7769
ISSN: 0040-4039
DOI: 10.1016/j.tetlet.2004.08.066
Popis: Three novel multidentate long-chained oligo-α-aminopyridine ligands, nonapyridyloctaamine ( 1 , npoa ), decapyridylnonaamine ( 2 , dpna ), and undecapyridyldecaamine ( 3 , upda ) were synthesized successfully by tandem Pd-catalyzed cross-coupling aminations. The helical structures of protonated ligand npoa { 4 , [H4· npoa ](SO3CF3)4} and the related dinuclear complexes 5–10 were synthesized and characterized by X-ray diffractions.
Databáze: OpenAIRE