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Proton-ionizable crown compounds. 4. New macrocyclic polyether ligands containing a triazole subcyclic unit

✍ Scribed by Jerald S. Bradshaw; Ralph B. Nielsen; Pui-Kwan Tse; Giuseppi Arena; Bruce E. Wilson; N. Kent Dalley; John D. Lamb; James J. Christensen; Reed M. Izatt

Book ID: 112128151
Publisher: Journal of Heterocyclic Chemistry
Year: 1986
Tongue: English
Weight: 659 KB
Volume: 23
Category: Article
ISSN: 0022-152X
DOI: 10.1002/jhet.5570230211

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## Abstract Five novel pyridono‐18‐crown‐6 (**10‐14**) and two new benzyloxy‐substituted pyridino‐18‐crown‐6 (**15** and **16**) ligands have been prepared. By the catalytic hydrogenative removal of the benzyl group from the benzyloxy moiety at position 4 of the pyridine ring of **15** and **16**,