1-[2,2-diethyl-5-(2-vinyl-buta-1,3-dienyl)-[1,3]dioxolan-4-yl]-2-methyl-propenone 以
甲苯 为溶剂,
反应 3.0h,
生成 (3aS,3bR,7aS,8aS)-2,2-diethyl-7a-methyl-4-vinyl-7,7a-dihydro-3aH-indeno[1,2-d][1,3]-dioxol-8(3bH,6H,8aH)-one 、 (3aS,3bR,7aR,8aS)-2,2-diethyl-7a-methyl-4-vinyl-7,7a-dihydro-3aH-indeno[1,2-d][1,3]-dioxol-8(3bH,6H,8aH)-one 、 (1S,2S,6S,8S)-4,4-diethyl-8-methyl-11-vinyl-3,5-dioxatricyclo[6.3.1.0
2,6]dodec-10-en-7-one