Fused pyrimidine derivativesFused pyrimidine derivatives R 0515 Synthesis and Antimicrobial Activity of Some Pyrazoline Derivatives of 4(3H)-Quinazolinones. -New compounds incorporating both the quinazolinone and pyrazolinone ring system are synthesized by reaction of hydrazides (IV) with acetoacetate (V). Some of the compounds obtained show good antibacterial and moderate antifungal activity. -(PANDA, J.; SRINIVAS, S. V.; RAO, M. E. B.; PANDA*, C. S.; J. Indian Chem. Soc. 79 (2002) 9, 770-771; Dep. Chem., Berhampur Univ., Berhampur 760 007, India; Eng.) -M. Kowall 26-174