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Green synthesis of 5-aryl-(1H,3H,5H,10H)-pyrimido[4,5-b]quinoline-2,4-diones catalysed by 1,4-diazabicyclo[2.2.2]octane in water

✍ Scribed by Mosslemin, Mohammad Hossein; Zarenezhad, Elham; Shams, Nasim; Rad, Mohammad Navid Soltani; Anarakiardakani, Hossein; Fayazipoor, Rassol

Book ID: 121649329
Publisher: SAGE Publications
Year: 2014
Tongue: English
Weight: 807 KB
Volume: 38
Category: Article
ISSN: 1747-5198
DOI: 10.3184/174751914X13917105358323

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## Abstract (__R__)‐5‐(diallylamino)‐5,6‐dihydro‐4__H__‐imidazo[4,5,1‐__ij__]quinolin‐2(1__H__)‐one (__12b__) was prepared in 9% overall yield from 3‐aminoquinoline. Reaction of __12b__ in ethyl acetate with tritium gas in presence of a 5% platinum on carbon catalyst afforded a mixture of (__R__)‐5