N-(tert-butoxycarbonyl)glycine → Tert-butyl 2-(4-(3-nitropyridin-4-yl)piperazin-1-yl)-2-oxoethylcarbamate
Reaction equation
[N+:1]([C:4]1[CH:5]=[N:6][CH:7]=[CH:8][C:9]=1[N:10]1[CH2:15][CH2:14][NH:13][CH2:12][CH2:11]1)([O-:3])=[O:2].[C:16]([NH:23][CH2:24][C:25](O)=[O:26])([O:18][C:19]([CH3:22])([CH3:21])[CH3:20])=[O:17]>>[N+:1]([C:4]1[CH:5]=[N:6][CH:7]=[CH:8][C:9]=1[N:10]1[CH2:15][CH2:14][N:13]([C:25](=[O:26])[CH2:24][NH:23][C:16](=[O:17])[O:18][C:19]([CH3:20])([CH3:21])[CH3:22])[CH2:12][CH2:11]1)([O-:3])=[O:2]Participants
3
Procedure
Following the method of Example 84 (Method 3), 1-(3-nitropyridin-4-yl)piperazine was coupled to N-Boc-glycine yielding tert-butyl 2-(4-(3-nitropyridin-4-yl)piperazin-1-yl)-2-oxoethylcarbamate (99% yield). LCMS (m/z): 365.8 (MH+); LC Rt=1.81 min.
Sources & evidence
- ORD record
- ord-ff1353cb7abf4fd9b1a4615066989560
- Source dataset
- uspto-grants-2014_09
- Patent number
- US08822497B2
Reaction notes
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