The preparation of optically active α-amino 4H-[1,2,4]oxadiazol-5-ones from optically active α-amino acids
作者:John E. Mangette、Matthew R. Johnson、Van-Duc Le、Rajesh A. Shenoy、Howard Roark、Michael Stier、Thomas Belliotti、Thomas Capiris、Peter R. Guzzo
DOI:10.1016/j.tet.2009.09.045
日期:2009.11
Optically active α-amino 4H-[1,2,4]oxadiazol-5-ones (oxadiazolones) were prepared from optically active α-amino acids in five synthetic steps. The oxadiazolone moiety serves as a bioisosteric replacement for the carboxylic acid. Incorporation of an α-amino oxadiazolone into a representative dipeptide mimic is described.
在五个合成步骤中,由旋光性α-氨基酸制备旋光性α-氨基4 H- [1,2,4]恶二唑-5-酮(恶二唑酮)。恶二唑酮部分用作羧酸的生物立体替代物。描述了将α-氨基恶二唑酮掺入代表性的二肽模拟物中。