Heterogeneous-catalytic fischer reaction. 13. Catalytic synthesis of 4-, 5-, 6-, and 7-methoxyindoles |
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Authors: | N. N. Suvorov V. N. Shkil'kova N. Ya. Podkhalyuzina |
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Affiliation: | (1) D. I. Mendeleev Moscow Institute of Chemical Technology, 125047 Moscow |
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Abstract: | Methoxy-substituted acetaldehyde phenylhydrazones were cyclized in the vapor phase on a GIPKh-115 catalyst to give 4-, 5-, 6-, and 7-methoxyindoles. 5-Methoxyindole was obtained in 50% yield, 4- and 6-methoxyindoles were obtained in 85% yield, and 7-methoxyindole was obtained in 45% yield.See [1] for Communication 12.Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 8, pp. 1054–1055, August, 1982. |
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