id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
eurjchem-168	Mahmoud, Mahmoud Refaee; El-Ziaty, Ahmed Kamel; Ismail, Mahmoud Fawzy; Shiba, Sayed Ahmed	Synthesis of novel pyrimidine and fused pyrimidine derivatives	2011	9	.pdf	application/pdf	5490	360	70	O O O 6 5 7 4 3 2 EtOH/ EtOH/ N2H4.H2O N N Ar NC H2N N H N O O N N Ar NC H2N N N MeMe Ac 2 O Ac O H CH3 CH3 O O Scheme 2 Scheme 3 2.2.8. O O N N NC Ar O NH O NH2 H H N N NC Ar O NH2 O NH2 H H NH2 B Scheme 8 The reaction was assumed to proceed via Michael addition of the C‐5 of pyrimidine nucleus to the α,β‐unsaturated nitrile 13 and subsequent 1,6‐exo‐trig cyclization through nucleophilic addition of the amino group to the carboxamido carbonyl group (Scheme 6).	cache/eurjchem-168.pdf	txt/eurjchem-168.txt