Sodium hydride → benzyl N-(3,4-dimethoxybenzoyl)-(L)-pyroglutamate
Reaktionsgleichung
[NH:1]1[C:5](=[O:6])[CH2:4][CH2:3][C@H:2]1[C:7]([O:9][CH2:10][C:11]1[CH:16]=[CH:15][CH:14]=[CH:13][CH:12]=1)=[O:8].[H-].[Na+].[CH3:19][O:20][C:21]1[CH:22]=[C:23]([CH:27]=[CH:28][C:29]=1[O:30][CH3:31])[C:24](Cl)=[O:25]>C1C=CC=CC=1>[CH3:19][O:20][C:21]1[CH:22]=[C:23]([CH:27]=[CH:28][C:29]=1[O:30][CH3:31])[C:24]([N:1]1[C:5](=[O:6])[CH2:4][CH2:3][C@H:2]1[C:7]([O:9][CH2:10][C:11]1[CH:16]=[CH:15][CH:14]=[CH:13][CH:12]=1)=[O:8])=[O:25]Komponenten
5
Edukt 3
Produkt 1
Reagenzien, Katalysatoren, Lösungsmittel 1
Versuchsvorschrift
A solution of 24.1 g (0.11 mol) of benzyl (L)-pyroglutamate, prepared according to Example II(1), in 200 ml of benzene is added over 11/2 hours to a suspension of 5.28 g (0.11 mol) of sodium hydride in 20 ml of dry benzene. After stirring for 1 hour at ordinary temperature, a solution of 22.1 g (0.11 mol) of 3,4-dimethoxybenzoyl chloride in 180 ml of benzene is run in.