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Synthesis of New Pyridinoazacrown Ethers Containing Aromatic and Heteroaromatic Proton Ionizable Substituents

✍ Scribed by Bordunov, Andrei V.; Hellier, Paul C.; Bradshaw, Jerald S.; Dalley, N. Kent; Kou, Xiaolan; Zhang, Xian Xin; Izatt, Reed M.

Book ID: 118069566
Publisher: American Chemical Society
Year: 1995
Tongue: English
Weight: 858 KB
Volume: 60
Category: Article
ISSN: 0022-3263
DOI: 10.1021/jo00124a022

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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**,