Perchloric Acid → Methyl 1,4-Dimethyl-5-[(methylimino)phenylmethyl]-1H-pyrrole-2-acetate Perchlorate
Reaktionsgleichung
[CH3:1][N:2]=[C:3](Cl)[C:4]1[CH:9]=[CH:8][CH:7]=[CH:6][CH:5]=1.ClS(O)(=O)=O.[CH3:16][N:17]1[CH:21]=[C:20]([CH3:22])[CH:19]=[C:18]1[CH2:23][C:24]([O:26][CH3:27])=[O:25].[Cl:28]([OH:32])(=[O:31])(=[O:30])=[O:29]>>[Cl:28]([OH:32])(=[O:31])(=[O:30])=[O:29].[CH3:16][N:17]1[C:21]([C:3](=[N:2][CH3:1])[C:4]2[CH:9]=[CH:8][CH:7]=[CH:6][CH:5]=2)=[C:20]([CH3:22])[CH:19]=[C:18]1[CH2:23][C:24]([O:26][CH3:27])=[O:25]Komponenten
5
Versuchsvorschrift
The title compound was prepared as in Example X from N-methyl benzimidoyl chloride (6.87 g, 44.8 mmole), chlorosulfonic acid (0.52 g, 4.5 mmole), methyl 1,4-dimethyl-1H-pyrrole-2-acetate (7.43 g, 44.5 mmole), and 70% perchloric acid (7.0 g, 49 mmole) to yield 10.4 g (61%) as a yellow solid, m.p. 145°-147° C. (dec).