Pivaloyl chloride → [(3S)-5-(2,2-Dimethyl-propionyl)-1-methyl-2-oxo-2,3,4,5-tetrahydro-1H-benzo[b][1,4]diazepin-3-yl]-carbamic acid tert-butyl ester
Reaction equation
[C:1]([O:5][C:6](=[O:21])[NH:7][C@@H:8]1[C:14](=[O:15])[N:13]([CH3:16])[C:12]2[CH:17]=[CH:18][CH:19]=[CH:20][C:11]=2[NH:10][CH2:9]1)([CH3:4])([CH3:3])[CH3:2].[C:22](Cl)(=[O:27])[C:23]([CH3:26])([CH3:25])[CH3:24]>>[C:1]([O:5][C:6](=[O:21])[NH:7][C@@H:8]1[C:14](=[O:15])[N:13]([CH3:16])[C:12]2[CH:17]=[CH:18][CH:19]=[CH:20][C:11]=2[N:10]([C:22](=[O:27])[C:23]([CH3:26])([CH3:25])[CH3:24])[CH2:9]1)([CH3:4])([CH3:2])[CH3:3]Participants
3
Procedure
In an analogous manner to that described in Example 103b), the acylation of (S)-(1-methyl-2-oxo-2,3,4,5-tetrahydro-1H-benzo[b][1,4]diazepin-3-yl)-carbamic acid tert-butyl ester with pivaloyl chloride yielded the title compound as a white solid; MS: m/e=376 (M+H)+.
Sources & evidence
- ORD record