p-Toluenesulfonic acid monohydrate → HCID 18637511, Verbindung
Reaktionsgleichung
[C:1]([NH:11][C@H:12]([C:18](=[O:20])[NH2:19])[CH2:13][CH2:14][C:15]([OH:17])=[O:16])([O:3][CH2:4][C:5]1[CH:10]=[CH:9][CH:8]=[CH:7][CH:6]=1)=[O:2].O.[C:22]1(C)C=CC(S(O)(=O)=O)=C[CH:23]=1.CC(O)=O.[H][H].CC#N>C(O)C>[CH2:22]([O:16][C:15](=[O:17])[CH2:14][CH2:13][C@@H:12]([C:18](=[O:20])[NH2:19])[NH:11][C:1]([O:3][CH2:4][C:5]1[CH:10]=[CH:9][CH:8]=[CH:7][CH:6]=1)=[O:2])[CH3:23]Komponenten
5
Edukt 3
Produkt 1
Reagenzien, Katalysatoren, Lösungsmittel 1
Versuchsvorschrift
A stirred suspension of carbobenzyloxyisoglutamine (28 g, 100 mmol) and p-toluenesulfonic acid monohydrate (1.9 g, 10 mmol) in 560 mL of absolute ethanol was gently refluxed for 12-14 hours or until TLC (1:5:94 HOAc/H2 /CH3CN) indicated that the reaction was complete.