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A caveat on the oxidation of 2,8-diphenyl-1,9,10- anthyridine to 2,8-diphenyl-5(10H)-1,9,10-anthyridone

✍ Scribed by N. N. Laxmi Madhavi; Paramasivam Senthivel; Ashwini Nangia

Publisher: John Wiley and Sons
Year: 1999
Tongue: English
Weight: 41 KB
Volume: 12
Category: Article
ISSN: 0894-3230
DOI: 10.1002/(sici)1099-1395(199909)12:9<665::aid-poc172>3.0.co;2-u

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✦ Synopsis

Crystallization of 2,8-diphenyl-1,9,10-anthyridine (1a) from various organic solvents afforded the corresponding anthyridone (2a). The conversion of anthyridine to anthyridone was monitored by 1 H NMR spectroscopy in deuterated solvents. It is found that the transformation is facile at ambient temperature and this could be relevant in triply hydrogen-bonded complexes of 1a with neutral and cationic molecules.

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