(4aS,10bS)-7-Methoxymethoxy-2,2,10b-trimethyl-4-[1-piperidin-1-yl-meth-(Z)-ylidene]-4a,10b-dihydro-4H,5H-naphtho[1,2-d][1,3]dioxin-6-one 、
2-(4-nitro-2-tetrahydropyran-2-yloxymethyl-phenyl)-4H-oxazol-5-one 生成
4-(7-methoxymethoxy-2,2,10b-trimethyl-6-oxo-(4ar,10bc)-4a,5,6,10b-tetrahydro-4H-naphtho[1,2-d][1,3]dioxin-4c-ylmethylene)-2-(4-nitro-2-tetrahydropyran-2-yloxymethyl-phenyl)-4H-oxazol-5-one