Synthesis of Methyl 5-and 6-Nitroindole-2-carboxylates by Nitration of Indoline-2-carboxylic Acid

SN Lavrenov, SA Lakatosh, LN Lysenkova…

Index: Synthesis, , # 3 p. 320 - 322

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Citation Number: 3

Abstract

... A new method for the synthesis of methyl 5-nitroindole-2-carboxylate was also developed. ... Additional amounts of 3 and methyl 5-nitroindoline-2-carboxylate (6) were obtained from the extract (a) after evaporation and stirring in MeOH with p-toluenesulfonic acid ...