id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
eurjchem-596	Al-Said, Mansour Sulaiman; El-Gazzar, Marwa Galal; Ghorab, Mostafa Mohammed	In-vitro cytotoxic and radiosensitizing evaluation of novel 2-pyridone, isoquinoline, chromene and chromenopyridone derivatives	2012	7	.pdf	application/pdf	6239	305	72	The obtained product was crystallized from ethanol to give compound 3 (Scheme 2). Ethyl 4‐substituted‐2‐amino‐5‐cyano‐1‐(3‐ethyl phenyl)‐6‐oxo‐1,6‐dihydropyridine‐3‐carboxylate (4a‐j) General procedure: A mixture of compound 3 (1.88 g, 0.01 mol), appropriate aldehyde (0.01 mol) and ethyl cyanoacetate (0.113 g, 0.01 mol) in ethanol (50 mL) containing a catalytic amount of piperidine was refluxed for 4 h.	cache/eurjchem-596.pdf	txt/eurjchem-596.txt