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Synthesis of Flavin–Calix[4]arene Conjugate Derivatives

✍ Scribed by Serkan Sayin; Gülderen Uysal Akkuş; Radek Cibulka; Ivan Stibor; Mustafa Yilmaz

Publisher
John Wiley and Sons
Year
2011
Tongue
German
Weight
254 KB
Volume
94
Category
Article
ISSN
0018-019X

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✦ Synopsis

Abstract

The synthesis of two new flavin substituted calix[4]arene derivatives, 9 and 10, is described. The first flavin substituted calix[4]arene derivative 9 was synthesized by the reaction of 3‐methylalloxazine (5) with 25,27‐bis(3‐bromopropoxy)‐26,28‐dihydroxy‐5,11,17,23‐tetra(tert‐butyl)calix[4]arene (4) in high yield (92%). The other derivative 10 was prepared from 3‐methylalloxazine‐1‐acetic acid (7) and 25,27‐bis(3‐cyanopropoxy)calix[4]arene (3). All new compounds were characterized by a combination of FT‐IR and ^1^H‐NMR spectroscopy, and elemental‐analysis techniques.

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