226886-03-9
(3S,3aR,4S,6R,7aS)-4-hydroxy-6-<(methanesulfonyl)oxy>-3-(4-methyl-3-pentenyl)-3a,4,5,6,7,7a-hexahydrobenzofuran-2(3H)-one

162460-70-0
(1aS,2S,5aS,6aR)-6a-Methyl-3-(4-methyl-pent-3-enyl)-2-triethylsilanyloxy-1a,5a,6,6a-tetrahydro-2H-1,5-dioxa-cyclopropa[f]inden-4-one

参考文献

Amano, Seiji; Takemura, Noriaki; Ohtsuka, Masami; Ogawa, Seiichiro; Chida, Noritaka Tetrahedron, 1999, vol. 55, # 13 p. 3855 - 3870 doi: 10.1016/S0040-4020(99)00096-4