Trifluoroacetic acid → HCID 178485761, compound
Reaction equation
[CH:1]1[C:10]2[C:5](=[CH:6][CH:7]=[CH:8][CH:9]=2)[CH:4]=[CH:3][C:2]=1[NH:11][C:12](=[O:55])[C@H:13]([CH2:34][CH2:35][CH2:36][NH:37][C:38](=[N:47]C(OC(C)(C)C)=O)[NH:39]C(OC(C)(C)C)=O)[N:14]([C:16](=[O:33])[C@H:17]([CH2:26][C:27]1[CH:32]=[CH:31][CH:30]=[CH:29][CH:28]=1)[NH:18]C(OC(C)(C)C)=O)[CH3:15].[F:56][C:57]([F:62])([F:61])[C:58]([OH:60])=[O:59]>>[F:56][C:57]([F:62])([F:61])[C:58]([OH:60])=[O:59].[CH:1]1[C:10]2[C:5](=[CH:6][CH:7]=[CH:8][CH:9]=2)[CH:4]=[CH:3][C:2]=1[NH:11][C:12](=[O:55])[C@H:13]([CH2:34][CH2:35][CH2:36][NH:37][C:38](=[NH:39])[NH2:47])[N:14]([C:16](=[O:33])[C@H:17]([CH2:26][C:27]1[CH:32]=[CH:31][CH:30]=[CH:29][CH:28]=1)[NH2:18])[CH3:15]Participants
3
Procedure
Boc-Phenylalanyl-Nω,Nω′-bis-Boc-Nα-methylarginine β-naphthylamide was treated with trifluoroacetic acid (Procedure E), followed by HPLC purification (Method A) to afford a white solid (45 mg): 1H NMR (400 MHz, D2O) δ1.70 (m, 2H), 1.92 (m, 1H), 2.15 (m, 1H), 2.82 (s, 3H), 3.42 (m, 4H), 4.83 (HOD with proton hidden), 5.19 (m, 1H), 7.18 (m, 2H), 7.31 (m, 1H), 7.68 (m, 4H), 8.15 (m, 4H), and 8.20 (s, 1H).
Workup
- customfollowed by HPLC purification (Method A)
Sources & evidence
- ORD record
- ord-bd6c2cf59ff641ac8931df06da04b8ed
- Source dataset
- uspto-grants-2001_06
- Patent number
- US06245746B1
Reaction notes
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