Process for the preparation of dialkyl 2,3-pyridinedicarboxylate and derivatives thereof from an alpha, beta-unsaturated oxime and an aminobutenedioate
申请人:AMERICAN CYANAMID COMPANY
公开号:EP0560019A1
公开(公告)日:1993-09-15
There is provided a convenient process for the preparation of commercially useful pyridinedicarboxylate compounds by the condensation of an α,β-unsaturated oxime and an aminomaleate or aminofumarate or mixtures thereof.