Methanol → 5-carboxymethyl-3-methyl-1H-pyrrole-2,4-dicarboxylic acid 2-tert-butyl ester 4-ethyl ester

反応式

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