Methanol → 3a-Methyl-6-[2-(2-methyl-[1,3]dioxolan-2-yl)-ethyl]-1,2,4,5,9a,9b-hexahydro-3aH-9-oxa-cyclopenta[a]naphthalene-3,7-dione

反応式

[CH3:1][O-:2].[CH3:31][c:32]1[cH:33][cH:34][cH:35][cH:36][cH:37]1.[CH3:4][OH:5].[CH3:6][C:7]12[CH2:8][CH2:9][C:10](=[O:30])[CH:11]([O:17][CH2:18][C:19]([CH2:20][CH2:21][CH2:22][C:23]3([CH3:28])[O:24][CH2:25][CH2:26][O:27]3)=[O:29])[CH:12]1[CH2:13][CH2:14][C:15]2=[O:16].[Na+:3]>>[CH3:6][C:7]12[CH2:8][CH2:9][C:10]3=[C:20]([CH2:21][CH2:22][C:23]4([CH3:28])[O:24][CH2:25][CH2:26][O:27]4)[C:19](=[O:29])[CH2:18][O:17][CH:11]3[CH:12]1[CH2:13][CH2:14][C:15]2=[O:16]