Process for the preparation of dialkyl 2,3-pyridinedi-carboxylate and derivatives thereof from an alpha, beta-unsaturated oxime and an aminobutenedioate

摘要

There is provided a convenient process for the preparation of commercially useful pyridinedicarboxylate compounds by the condensation of an alpha , beta -unsaturated oxime and an aminomaleate or aminofumarate or mixtures thereof.