(+/-)-1-(5-Methoxy-2,3,6,7,8,9-hexahydro-6,9-ethanonaphtho[1,2-b]furan-2-yl)methanamine 、
N,N-二异丙基乙胺 、
氯甲酸苄酯 、
(+/-)-benzyl 3,6,7,8-tetrahydro-2H-indeno[4,5-b]furan-2-ylmethylcarbamate 以provided 3.08 g (93%) of (±)-benzyl (5-methoxy-2,3,6,7,8,9-hexahydro-6,9-ethanonaphtho[1,2-b]furan-2-yl)methylcarbamate as a colorless oil的产率得到(+/-)-benzyl (5-methoxy-2,3,6,7,8,9-hexahydro-6,9-ethanonaphtho[1,2-b]furan-2-yl)methylcarbamate