Transition-metal-free, atom-economical cascade synthesis of novel 2-sulfonated-benzo[f][1,7]naphthyridines and their cytotoxic activities
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- Title
- Transition-metal-free, atom-economical cascade synthesis of novel 2-sulfonated-benzo[f][1,7]naphthyridines and their cytotoxic activities
- Author(s)
- S K Arepalli; Y Choi; K Lee; Jong Soon Kang; J K Jung; H Lee
- Bibliographic Citation
- Tetrahedron, vol. 74, pp. 1646-1654
- Publication Year
- 2018
- Abstract
- An efficient, transition-metal-free cascade synthetic method has been developed for new 2-aryl/heteroaryl sulfonated benzo[f][1,7]naphthyridines. It is tert-butyl hydroperoxide (TBHP) mediated highly regioselective sulfonylation-cyclization-aromatization process between N-(3-aryl/heteroarylprop-2-yn-1-yl)quinolin-3-amines and aryl/heteroaryl sulfonylhydrazides. This synthetic protocol offers one-step strategy for C-S and C-C bond formations with a broad range of functional group tolerance. It is a simple, mild, and atom-economical route for the synthesis of various valuable functionalized 1, 2-aryl/heteroaryl sulfonated benzo[f][1,7]naphthyridines in moderate yields. Since the core motif of 2-sulfonated benzo[f][1,7]naphthyridines are biologically and pharmaceutically important (TLR activity 7, 8 modulators). Additionally, the synthesized derivatives were evaluated for their in vitro cytotoxic activities against six human cancer cell lines including lung (NCIH23), colon (HCT15), gastric (NUCG-3), renal (ACHN), prostate (PC-3), and breast (MDA-MB-231) cell lines. These compounds displayed significant cytotoxic activities against all tested human cancer cell lines
- Keyword
- Cytotoxic agentsOne-pot C-S & C-C bonds formationSulfonated benzo[f][1,7]naphthyridinesTransition-metal-freeAtom-economy
- ISSN
- 0040-4020
- Publisher
- Elsevier
- DOI
- http://dx.doi.org/10.1016/j.tet.2018.02.023
- Type
- Article
- Appears in Collections:
- Ochang Branch Institute > Division of National Bio-Infrastructure > Laboratory Animal Resource & Research Center > 1. Journal Articles
- Files in This Item:
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