New trimethoxybenzamides and trimethoxyphenylureas derived from dimethylcarbazole as cytotoxic agents. Part i
A convenient synthesis of novel functionalized 1,4-dimethylcarbazole derivatives containing 3,4,5-trimethoxybenzamido-ureido or N-(3,4,5- trimethoxyphenyl)ureido group starting from their corresponding indole derivatives is reported. Three derivatives pre