Methyl acetoacetate → 4-Hydroxy-6,6-bis-[2-(4-hydroxy-3-methoxy-phenyl)-ethyl]-5,6-dihydro-pyran-2-one
Reaktionsgleichung
C([O:8][C:9]1[CH:14]=[CH:13][C:12]([CH2:15][CH2:16][C:17](=[O:36])[CH2:18][CH2:19][C:20]2[CH:25]=[CH:24][C:23]([O:26]CC3C=CC=CC=3)=[C:22](OC)[CH:21]=2)=[CH:11][C:10]=1[O:37][CH3:38])C1C=CC=CC=1.[H-].[Na+].[C:41](OC)(=[O:46])[CH2:42][C:43]([CH3:45])=[O:44].C([Li])CCC.C1C[O:57][CH2:56]C1>>[OH:44][C:43]1[CH2:45][C:17]([CH2:16][CH2:15][C:12]2[CH:13]=[CH:14][C:9]([OH:8])=[C:10]([O:37][CH3:38])[CH:11]=2)([CH2:18][CH2:19][C:20]2[CH:25]=[CH:24][C:23]([OH:26])=[C:22]([O:57][CH3:56])[CH:21]=2)[O:36][C:41](=[O:46])[CH:42]=1
