Synthesis of novel highly functionalized 2-oxo-(1,2,3,4-tetrahydropyridin-3-yl)acetic acids has been described via aza-annulation of both acyclic and cyclic α-oxo- and α-nitro-N,S- and -N,N-ketene acetals with itaconic anhydride.
已描述通过与伊托酸酐反应的非环状和环状α-氧基和α-硝基-N,S-和-N,N-
酮酯进行氮杂环化合成新型高度功能化的2-氧-(
1,2,3,4-四氢吡啶-3-基)
乙酸。