Benzodiazepines has drawn much attention since they have been found to exhibit a wide spectrum of biological activities on centre nervous system (CNS).

• 苯并二氮杂卓类化合物有显著的中枢神经系统（CNS）活性，目前，人们对这类化合物的合成与活性已有了深入的研究，研究表明当卓环上再并合一个五员杂环后，其代谢稳定性和活性都有显著增强。