5-O-tert-butyldimethylsilyl-1,4-dideoxy-1,4-imino-2,3-O-isopropylidene-N-(4-aminobenzyl)-D-ribitol 、 1-[(tert-butyloxycarbonylamino)-(tert-butyloxycarbonylimino)-methyl]-1H-pyrazole 以
氯仿 为溶剂,
反应 48.0h,
以11%的产率得到tert-butyl N-[N'-[4-[[(3aR,4R,6aS)-4-[[tert-butyl(dimethyl)silyl]oxymethyl]-2,2-dimethyl-3a,4,6,6a-tetrahydro-[1,3]dioxolo[4,5-c]pyrrol-5-yl]methyl]phenyl]-N-[(2-methylpropan-2-yl)oxycarbonyl]carbamimidoyl]carbamate