One-Pot Synthesis of Substituted 2-Amino Isonicotinic Acids: Reminiscent of the Guareschi–Thorpe Condensation
作者:Xiangle Jin、Lidong Xing、Daniel Da Deng、Jun Yan、Yan Fu、Weitong Dong
DOI:10.1021/acs.joc.1c02483
日期:2022.1.21
manner to make a wide variety of mono- or disubstituted 2-amino isonicotinic acids via the corresponding 2,4-dioxo-carboxylic acid ethyl esters and ethyl 3-amino-3-iminopropionate hydrochloride. The reaction likely proceeds through an in situ decarboxylation process and is reminiscent of the Guareschi–Thorpe Condensation.
这项工作描述了一种通过相应的 2,4-二氧代羧酸乙酯和 3-氨基-3-亚氨基丙酸乙酯盐酸盐制备多种单取代或双取代的 2-氨基异烟酸的简明方法。该反应可能通过原位脱羧过程进行,让人联想到 Guareschi-Thorpe 缩合反应。