Synthesis of Fluorescent 1,7-Dipyridyl-bis-pyrazolo[3,4-b:4′,3′-e]pyridines: Design of Reversible Chemosensors for Nanomolar Detection of Cu2+
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DOI: 10.1021/acsomega.9b00226
Abstract: An efficient access toward novel tridentate ligands based on 1,7-dipyridinyl-substituted bis-pyrazolo[3,4-b:4′,3′-e]pyridines (BPs) and their usefulness as fluorescent probes for cation detection is reported. The synthesis proceeds by a three-step sequence starting from 2-chloropyridine (1), all… read more here.
Keywords: fluorescent; pyrazolo pyridines; bis pyrazolo; detection ... See more keywords
I 2 -Catalyzed Access to Bis(pyrazolo[1,5- a ]pyrimidinyl)sulfanes and Sulfenylated Pyrazolo[1,5- a ]pyrimidines via C–H Functionalization
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DOI: 10.1055/a-2705-9249
Abstract: We have demonstrated a new route to bis(pyrazolo[1,5- a ]pyrimidinyl)sulfanes from pyrazolo[1,5- a ]pyrimidines through I 2 -catalyzed C–H functionalization employing thiourea as the sulfur source. 3-Iodopyrazolo[1,5- a ]pyrimidines acted as the active intermediates for… read more here.
Keywords: bis pyrazolo; bis; sulfenylated pyrazolo; pyrazolo pyrimidines ... See more keywords