Synthesis of Phosphonic Acid Analogues of Sialic Acids (Neu5Ac and KDN) as Potential Sialidase Inhibitors
作者:Tak-Hang Chan、Yan-Chao Xin、Mark von Itzstein
DOI:10.1021/jo961891p
日期:1997.5.1
Five phosphonic acid analogues of N-acetylneuraminic acid (Neu5Ac) and 3-deoxy-D-glycero-D-galacto-2-nonulosonic acid (KDN) have been synthesized. The synthesis was accomplished using an indium-mediated coupling of N-acetylmannosamine or mannose with dimethyl (3-bromopropen-2-yl)phosphonate in aqueous media, The potential of these phosphonate acid analogues of sialic acids as sialidase inhibitors was evaluated and found to show moderate biological acitivities.