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A novel nine-membered intramolecular hydrogen bonding in methyl naphthoate bearing phenol moiety

✍ Scribed by Yasuharu Yoshimi; Hajime Maeda; Akira Sugimoto; Kazuhiko Mizuno

Book ID
104230253
Publisher
Elsevier Science
Year
2001
Tongue
French
Weight
77 KB
Volume
42
Category
Article
ISSN
0040-4039

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✦ Synopsis

A novel nine-membered intramolecular hydrogen bonding between ester carbonyl and phenolic hydroxyl groups was investigated based on X-ray crystallography and variable-temperature 1 H NMR spectroscopy. The 1 H NMR studies in CDCl 3 indicated that a significant downfield shift of the phenolic proton as the temperature is lowered.

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✍ Serdar Karaböcek; Ismail Degirmencioglu; Nevin Karaböcek; Mustafa Er; Kerim Serb 📂 Article 📅 2003 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 121 KB

## Abstract The synthesis and structural properties of three novel imidates, 11,13‐bis‐(2‐amino‐ethylimino)‐1,10‐dioxa‐4,7‐dithiacyclotridecane (**2**), 11,13‐bis‐(3‐aminopropylimino)‐1,10‐dioxa‐4,7‐dithiacyclotridecane, (**3**) and 2,11‐dioxa‐5,8‐dithia‐13,16,19,22‐tetraazabicyclo[10.10.1]tricosa‐