Quinazolinone scaffold has been considered as a magic moiety possessing myriad
spectrum of medicinal activities. Diversity of biological response profile has attracted …

A series of novel 1-substituted-4-(2-methylphenyl)-4H-[1, 2, 4] triazolo [4, 3-a] quinazolin-5-
ones were synthesized by the cyclization of 2-hydrazino-3-(2-methylphenyl)-3H-quinazolin …

Quinazolinone derivatives, which are known for their versatile biological activities, have
been reported to show significant antibacterial and antitubercular activities. Fourteen …

Four novel series of pyrazolyl‐4 (3H)‐quinazolinones have been prepared through the
reaction of 3‐aryl‐2‐hydrazino‐4 (3H)‐quinazolinones with antipyrylazo‐derivatives of ethyl …

Purpose: To synthesize a new series of 1-substituted-4-(pyridin-4-yl)[1, 2, 4] triazolo [4, 3-a]
quinazolin-5 (4H)-ones and evaluate them for H1-antihistaminic activity with negligible side …

Background: Quinazoline and quinazolinone scaffolds represent an important class of
biologically active nitrogen heterocyclic compounds. Many marketed drugs are based on …

A series of 1-substituted-4-(3-methoxyphenyl)-4H-[1, 2, 4] triazolo [4, 3-a] quinazolin-5-ones
were synthesized by the cyclization of 2-hydrazino-3-(3-methoxyphenyl)-3H-quinazolin-4 …

A series of novel 2-(3-substituted propyl)-3-(2-methyl phenyl) quinazolin-4-(3 H)-ones were
synthesized by the reaction of 2-(3-bromopropyl thio)-3-(2-methyl phenyl) quinazolin-4-(3 H) …

Abstract The synthesis of β‐[2‐(alkoxyethyl) oxy]‐and β‐[[2‐(N, N‐dialkylamino) ethyl] oxy]
acetamides containing an N‐heteryl moiety is reported. Three heteryl systems, 2 …

SOME QUINAZOLINONE DERIVATIVES Page 1 Bull. Pharm. Sci., Assiut University, Vol. 18, Part
2, December 1995, pp. 107-714 SYNTHESIS AND ANTIMICROBIAL, EVALUATION OF SOME …