Derivatives of 1-aryl-5-methoxyindoles |
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Authors: | A N Grinev V I Shvedov E K Panisheva |
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Institution: | (1) Ordzhonikidze All-Union Chemical and Pharmaceutical Scientific Research Institute, Moscow |
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Abstract: | By fusion with potassium hydroxide, derivatives of 1-aryl-3-ethoxycarbonyl-5-methoxy-2-methylindole are converted into the corresponding indole-3-carboxylic acids. When the indole-3-carboxylic acids are heated to their melting points, they are readily converted into derivatives of 1-arylindoles with unsubstituted -positions. A similar cycle of conversions has been carried out for 3-ethoxycarbonyl-5-methoxy-2-methyl-1-phenylbenzoindole. The reactions of derivatives of 1-aryl-5-methoxy-2-methylindoles with formaldehyde and dimethylamine hydrochloride gives Mannich bases. |
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