1-(1,3-dioxolan-2-yl)-5,5-dimethyl-4-methoxyheptane-2,6-dione 在
对甲苯磺酸 作用下,
以
甲苯 为溶剂,
生成 2,3,3-trimethyl-6-oxocyclohexa-1,4-dienecarbaldehyde 、 (E)-1-(1,3-dioxolan-2-yl)-5,5-dimethylhept-3-en-2,6-dione 、 3-(1,3-dioxolan-2-yl)methyl-5-methoxy-6,6-dimethylcyclohex-2-enone