(+/-)-1-(5-methyl-3,6,7,8-tetrahydro-2H-indeno[4,5-b]furan-2-yl)methanamine 、
N,N-二异丙基乙胺 、
氯甲酸苄酯 、
(+/-)-benzyl 2,3,6,7,8,9-hexahydronaphtho[1,2-b]furan-2-ylmethylcarbamate 以gave 4.05 g (81%) of (±)-benzyl (5-methyl-3,6,7,8-tetrahydro-2H-indeno[4,5-b]furan-2-yl)methylcarbamate as a white solid的产率得到(+/-)-benzyl (5-methyl-3,6,7,8-tetrahydro-2H-indeno[4,5-b]furan-2-yl)methylcarbamate