Azuleno[6,5-b]furan-2(3H)-one,decahydro-5,7-dihydroxy-4a,8-dimethyl-3-methylene-, (3aR,4aS,5S,7S,7aS,8R,9aS)- 、
乙酸酐 以
吡啶 为溶剂,
生成 (8-acetyloxy-5,8a-dimethyl-1-methylidene-2-oxo-4,5,5a,6,7,8,9,9a-octahydro-3aH-azuleno[6,5-b]furan-6-yl) acetate 、
6-deoxychamissonolide