Heterocyclic Compounds
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ChemInform Abstract: Fischer Route to Pyrido(3,2-g)indoles. A Novel Receptor for Urea Derivatives.
First published: September 11, 1990
Abstract
Cyclization of the hydrazone (III), obtained from the components (I) and (II), and subsequent aromatization of the product (IV) provides the dipyridocarbazole (V).
ChemInform Abstract
Cyclization of the hydrazone (III), obtained from the components (I) and (II), and subsequent aromatization of the product (IV) provides the dipyridocarbazole (V). Similarly, the compounds (VII) or (IX) are obtained using the synthon (II). (IX) not only solubilizes urea in CHCl3 but also forms complexes with a variety of substituted ureas, e.g. (X) or (XI) (methyl biotin).
