1'-Propylspiro[isoindoline-3,3'-piperidin]-one hydrochloride 、
1'-Propylspiro[isoindolin-3,3'-piperidin]-1-one hydrochloride 在
silica gel 、 ethyl acetate heptane 作用下,
以to give 830 mg 1′-propylspiro-[isoindoline-3,3′-1,2,3,6-tetrahydropyridin]-1-one as an oil的产率得到1'-propylspiro[isoindoline-3,3'-1,2,3,6-tetrahydropyridin]-1-one