ChemInform Abstract: Synthesis of 2,4-Disubstituted Pyrimido(4,5-b)indoles, Pyrano(4′,3′:4, 5)pyrrolo(2,3-d)pyrimidines and Some Conversions of Pyrimido(4,5-b) indoles.
Abstract
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ChemInform Abstract
New methods for the synthesis of the fused title pyrimidines (IV), (V), and (VII) and their further conversion into azolopyrimidines (XII) and (XIII) are described.