Abstract
This article reports the ortho-substituent effect on the cleavage of the amide C–N bond. In the structure of Nα-Phth-N-pyridinyl-amide, when the hydrogen atom in the 3-position of pyridine ring was replaced by alkoxy group, the amide C–N cleavage can take place in the 2-position of the pyridine ring. This transformation can proceed rapidly in methylamine ethanol solution under mild conditions to afford 2-amino-3-alkoxy pyridines.
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