%0 Journal Article %T Novel Coumarin Derivatives with Expected Biological Activity %A Z. M. Nofal %A M. I. El-Zahar %A S. S. Abd El-Karim %J Molecules %D 2000 %I MDPI AG %R 10.3390/50200099 %X A number of novel 3-bromo-4-methyl-7-methoxy-8-amino substituted coumarins and 2-substituted 7-bromo-6-methyl-8H-pyrano-benzimidazoles, benzoxazoles and/or benzoxazine-8-ones were synthesized for the purpose of pharmacological evaluation. Some representative compounds showed antitumor activity in vitro on Ehrlich ascites carcinoma in the preliminary testing. %K Substituted coumarins %K nitro reduction %K benzylidinyl amino coumarins %U http://www.mdpi.com/1420-3049/5/2/99