α(δ')-Michael Addition of Alkyl Amines to Dimethyl (E)-hex-2-en-4-ynedioate: Synthesis of α,β-Dehydroamino Acid Derivatives
作者:Arjun Chavan、Jie-Cheng Deng、Shih-Ching Chuang
DOI:10.3390/molecules18032611
日期:——
The direct nucleophilic addition of alkyl amines to the α(δ')-carbon atom of dimethyl (E)-hex-2-en-4-ynedioate to generate α,β-dehydroamino acid derivatives is reported. Herein, we have studied the reactivity of various primary and secondary alkyl amines in the α-selective nucleophilic conjugate addition to conjugated dimethyl (E)-hex-2-en-4-ynedioate. The reaction with primary alkyl amines gives only
据报道,烷基胺与 (E)-hex-2-en-4-ynedioate 的 α(δ')-碳原子直接亲核加成生成 α,β-脱氢氨基酸衍生物。在此,我们研究了各种伯和仲烷基胺在 α-选择性亲核共轭加成共轭二甲基 (E)-hex-2-en-4-ynedioate 中的反应性。与伯烷基胺反应仅产生 (2E,4E)-立体异构体,而与仲烷基胺反应产生 (2E,4E) 和 (2Z,4E)-二甲基(2-烷基氨基)-粘康酸酯的立体异构体。