Acetic Acid Mediated Coupling of 2-Aminonicotinamides with Ortho Esters: A Convenient, Scalable Synthesis of 2,3-Substituted Pyrido[2,3-<i>d</i>]pyrimidines
作者:Johann Chan、Darin Gustin、Evan Divirgilio、Anil Guram、Margaret Faul
DOI:10.1055/s-2007-990878
日期:2007.12
Substituted pyrido[2,3-d]pyrimidines are synthesized in good to excellent yields by treatment of various 2-aminonicotinamides with triethyl orthopropionate or triethyl orthoacetate in the presence of acetic acid.
以良好至优异的产率合成了取代的
吡啶并[2,3-d]
嘧啶,其方法是通
过乙酸存在下,用各种2-
氨基烟酰胺与三乙氧基
丙烷或三
乙氧基乙酸酯反应。