(S)-O-methyl (3-(4-(4-(6-cyanonicotinoyl)-piperazin-1-yl)-3-fluorophenyl)-2-oxo-oxazoIidin-5-yl)-methyl-carbamothioate 在
盐酸羟胺 、
三乙胺 作用下,
以
乙醇 为溶剂,
反应 12.0h,
以75.4%的产率得到(S,E)-O-methyl (3-(3-fluoro-4-(4-(6-(N'-hydroxy-carbamimidoyl)-nicotinoyl)-piperazin-1-yl)-phenyl)-2-oxo-oxazoIidin-5-yl)-methyl-carbamothioate