Oxidative nucleophilic substitution of hydrogen versus ring-opening in the reaction of 4-r-2-nitrothiophenes with amines. The crucial effect of 4-alkyl groups
... Volume: Page: Digital Object Identifier (DOI). ... The Journal of ... Table 1. Direct Amination (ONSH) of 4-Alkyl-2-nitrothiophenes 10a−c by Secondary Amines in the Presence of AgNO 3. entry, substrate, amine, product a, yield (%) b, HRMS calcd/found, mp (°C). ...
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