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Paper | Regular issue | Vol 38, No. 8, 1994, pp.1867-1880
Published online, 1st January, 1970
DOI: 10.3987/COM-94-6756
New Heterocyclic Ring Systems: The Syntheses of 2H,3H,7H-Imidazo[1‘,2‘:1,2]pyrido[4,3-b]indoles and 2H,3H,4H,8H-Pyrimido[1‘,2‘:1,2]pyrido[4,3-b]indoles

Kazuho Harada,* Hitoshi Someya, and Shonosuke Zen

*School of Pharmaceutical Sciences, Kitasato University, Shirokane, Minato-ku, Tokyo 108-8641, Japan


Heterocyclic [1,2]-annulated pyrido[4,3-b]indoles (9 and 10) were synthesized in five step sequences starting from 4-hydrazino-1H-pyrid-2-one.