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Synthesis of novel amide-crownophanes and Schiff base-crownophanes based on p-phenylene, 2,6-naphthalene, and 9,10-anthracene

✍ Scribed by Hussni A. Muathen; Nour A. M. Aloweiny; Ahmed H. M. Elwahy

Publisher
Journal of Heterocyclic Chemistry
Year
2009
Tongue
English
Weight
362 KB
Volume
46
Category
Article
ISSN
0022-152X

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✦ Synopsis

Abstract

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The novel macrocyclic diamides 11, 11a, 11b, 11c, 12, 12a, 12b, 12c, 13, 13a, 13b, 13c**,** 16, 17, 18 are obtained in 45–66% yields by the reaction of dipotassium salts 10a, 10b, 10c and 15 with each of 1,4‐di(bromomethyl)benzene 4, 2,6‐di(bromomethyl)naphthalene 6 and 9,10‐di(bromomethyl)anthracene 8, repectively, in boiling DMF. On the other hand, the new macrocyclic Schiff bases 28 and 29 are obtained in 44% and 42% yields by heating the appropriate bis‐amines 25b, 26b with the corresponding bis‐aldehydes 21, 22, respectively, in refluxing acetic acid under high‐dilution conditions. J. Heterocyclic Chem. (2009).

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ChemInform Abstract: Synthesis of Novel
ChemInform Abstract: Synthesis of Novel Amide-Crownophanes and Schiff Base-Crownophanes Based on p-Phenylene, 2,6-Naphthalene, and 9,10-Anthracene.
✍ Hussni A. Muathen; Nour A. M. Alowiny; Ahmed H. M. Elwahy 📂 Article 📅 2009 🏛 John Wiley and Sons ⚖ 15 KB

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