tranexamic acid 、
1-((((2,5-Dioxopyrrolidin-1-yl)oxy)carbonyl)oxy)butyl benzoate 以
MTBE acetone water 为溶剂,
以to yield the title compound 39 (150 mg, 19% yield) as a white powder的产率得到trans-4-{[1-(benzoyloxy)butoxycarbonyl]aminomethyl}-cyclohexanecarboxylic acid