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Showing 1 to 2 of 2 for “"Nucleophilic replacement"”.
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The synthesis and reactivity of 7-azaindolizines.
… substitution reactions occurred at C-3 position. Nucleophilic replacement of chlorine by methoxide and amino from 8-chloro-2-methyl-7-azaindolizine occurred readily. A number of simple alkyl, aryl, and carboethoxy substituted dipyrrolo[1 ,2-a;2,1-c]pyrazines have been obtained by the Chichibabin …
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The synthesis and reactivity of 6- and 8-azaindolizines.
… also occurred at C-3. Nucleophilic replacement of chlorine by methoxide from a 5-chloro-6-azaindolizine and a 7-chloro-8-azaindolizine occurred readily. Ammonolysis and hydrolysis were, however, only successful in the case of the former compound. These …