异土木香内酯 、
2-(2,5,7-trimethyl-1H-indol-3-yl)ethanamine 以
甲醇 为溶剂,
以70%的产率得到(11R)-13-(2,5,7-trimethyltryptamino)-11,13-dihydroisoalantolactone ((3R,3aR,4aR,8aR,9aR)-3-{[2-(2,5,7-trimethyl-1H-indol-3-yl)ethylamino]methyl}-8a-methyl-5-methylidenedecahydronaphtho[2,3-b]furan-2-one)