2-[5'-aminomethyl-5-(5-carbamimidoyl-1H-benzoimidazol-2-yl)-6,2'-dihydroxybiphenyl-3-yl]isobutyramide dihydrochloride 、
lithium salt (2S,3R)-2,3-O-isopropylidene-2,3-dihydroxybutyric acid 在
吡啶 、
N,N-二异丙基乙胺 、
Methanaminium,N-[(dimethylamino)(3H-1,2,3-triazolo[4,5-b]pyridin-3-yloxy)methylene]-N-methyl-, hexafluorophosphate(1-) 、
氨 作用下,
以
二甲胺 、
水 为溶剂,
反应 8.0h,
生成 (4S,5R)-2,2,5-trimethyl-[1,3]dioxolane-4-carboxylic acid [3'-(5-carbamimidoyl-1H-benzoimidazol-2-yl)-5'-(1-carbamoyl-1-methylethyl)-6,2'-dihydroxybiphenyl-3-ylmethyl]amide hydrochloride