1-Methylpiperazine → HCID 18643654, compound
Reaction equation
[C:1]([O:5][C:6]([NH:8][C@H:9]([C:14]([OH:16])=O)[CH2:10][C:11](=[O:13])[NH2:12])=[O:7])([CH3:4])([CH3:3])[CH3:2].[CH3:17][N:18]1[CH2:23][CH2:22][NH:21][CH2:20][CH2:19]1>>[C:1]([O:5][C:6]([NH:8][C@H:9]([C:14]([N:21]1[CH2:22][CH2:23][N:18]([CH3:17])[CH2:19][CH2:20]1)=[O:16])[CH2:10][C:11](=[O:13])[NH2:12])=[O:7])([CH3:2])([CH3:3])[CH3:4]Participants
3
Procedure
In the same manner as in Reference Example 2, N-tert-butoxycarbonyl-L-asparagine (5.0 g) and 1-methylpiperazine (2.2 g) were condensed to obtain colorless crystal 1-(N-tert-butoxycarbonyl-L-asparaginyl)-4-methylpiperazine (5.5 g).
Workup
- customcondensed
Sources & evidence
- ORD record
- ord-5231b46dc2da4dd6b4807c9be4b96a4a
- Source dataset
- uspto-grants-1991_02
- Patent number
- US04990614
Reaction notes
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