2-{4-[(Tert-butoxy)carbonyl]piperazin-1-yl}acetic acid → HCID 58714564, compound
Reaction equation
[C:1]1([C:21]2[CH:26]=[CH:25][CH:24]=[CH:23][CH:22]=2)[CH:6]=[CH:5][C:4]([C:7]([N:9]2[CH2:13][C:12](=[N:14][O:15][CH3:16])[CH2:11][C@H:10]2[C:17](=[N:19][OH:20])[NH2:18])=[O:8])=[CH:3][CH:2]=1.[C:27]([O:31][C:32]([N:34]1[CH2:39][CH2:38][N:37]([CH2:40][C:41](O)=O)[CH2:36][CH2:35]1)=[O:33])([CH3:30])([CH3:29])[CH3:28]>>[C:1]1([C:21]2[CH:26]=[CH:25][CH:24]=[CH:23][CH:22]=2)[CH:2]=[CH:3][C:4]([C:7]([N:9]2[CH2:13][C:12](=[N:14][O:15][CH3:16])[CH2:11][C@H:10]2[C:17]2[N:18]=[C:41]([CH2:40][N:37]3[CH2:38][CH2:39][N:34]([C:32]([O:31][C:27]([CH3:28])([CH3:30])[CH3:29])=[O:33])[CH2:35][CH2:36]3)[O:20][N:19]=2)=[O:8])=[CH:5][CH:6]=1Participants
3
Procedure
Following the general method as outlined in Example 15, starting from (2S,4EZ)-1-([1,1′-biphenyl]-4-ylcarbonyl)-N′-hydroxy-4-(methoxyimino)-2-pyrrolidinecarboximidamide (Intermediate 8) and [4-(tert-butoxycarbonyl)-1-piperazinyl]acetic acid, the title compound, tert-butyl 4-({3-[(2S,4EZ)-1-([1,1′-biphenyl]-4-ylcarbonyl)-4-(methoxyimino)pyrrolidinyl]-1,2,4-oxadiazol-5-yl}methyl)-1-piperazinecarboxylate, was obtained in 75% yield (88% purity by HPLC).
Sources & evidence
- ORD record
- ord-4482cec2a8c64c29866e374b5ca49528
- Source dataset
- uspto-grants-2006_10
- Patent number
- US07115639B2
Reaction notes
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