id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
eurjchem-1370	El-Badry, Yaser Abdel-Moemen; Nassar, Ekhlass; El-Hashash, Mahr Abdel-Aziz	Synthesis and characterization of some new 4-heteroaryl quinazoline and fused triazolo quinazoline derivatives	2016	7	.pdf	application/pdf	6099	330	79	In addition, 13C NMR of compound 7b showed a resonated signals at δ 159.4, 154.7, and 151.3 ppm attributed to C‐OMe, C=N of triazoloquina‐ zoline, and C=N of C2 quinazoline. Synthesis of 2‐[(E)‐2‐(furan‐2‐yl)ethenyl]‐4‐ hydrazinylquinazoline (8) A solution of compound 2 (2.57 g, 0.01 mol) and hydrazine hydrate (0.75 g, 0.015 mol) in absolute ethanol (30 mL) in the presence of a few drops of piperidine was heated under reflux at 70 °C for 6 h.	cache/eurjchem-1370.pdf	txt/eurjchem-1370.txt