3-isothiocyanatoisoquinoline 、 (3S*,4S*)-3-(aminomethyl)-1-azabicyclo[2.2.1]heptan-3-ol dihydrochloride 以to afford (3R*,4S*)-N-(isoquinolin-3-yl)-4′H-1-azaspiro[bicyclo[2.2.1]heptane-3,5′-oxazol]-2′-amine (80 mg, 0.27 mmol, 26% yield)的产率得到(1R,3R,4S)-N-(isoquinolin-3-yl)-4'H-1-azaspiro[bicyclo[2.2.1]heptane-3,5'-oxazol]-2'-amine