10.24.2 Product Subclass 2: Pyrimido[1,2-a]indoles and Related Benzo-Fused Ring Systems

AbstractMethods for the synthesis of pyrimido[1,2-a]indoles and the related indolo[1,2-a]quinazoline and indolo[2,1-b]quinazoline ring systems are reviewed in this chapter. Although limited reports have been published to date, a variety of differing approaches to these heterocycles have been described.