Diisopropylethylamine → HCID 57123856, compound
Reaction equation
[CH3:1][O:2][C:3]1[CH:31]=[CH:30][C:6]([CH2:7][S:8][C@@H:9]2[CH2:13][N:12]([C:14]([O:16][CH2:17][C:18]3[CH:23]=[CH:22][C:21]([N+:24]([O-:26])=[O:25])=[CH:20][CH:19]=3)=[O:15])[C@H:11]([C:27](O)=[O:28])[CH2:10]2)=[CH:5][CH:4]=1.FC(F)(F)C(O)=O.FC(F)(F)C(O)=O.[CH3:46][N:47]([CH3:54])[C:48]1[CH2:49][NH:50][CH2:51][CH2:52][N:53]=1.C(N(C(C)C)CC)(C)C>>[CH3:1][O:2][C:3]1[CH:31]=[CH:30][C:6]([CH2:7][S:8][C@@H:9]2[CH2:13][N:12]([C:14]([O:16][CH2:17][C:18]3[CH:23]=[CH:22][C:21]([N+:24]([O-:26])=[O:25])=[CH:20][CH:19]=3)=[O:15])[C@H:11]([C:27]([N:50]3[CH2:51][CH2:52][N:53]=[C:48]([N:47]([CH3:54])[CH3:46])[CH2:49]3)=[O:28])[CH2:10]2)=[CH:5][CH:4]=1Participants
4
Procedure
Following a procedure similar to that described in Preparation 1(i), but using 446 mg of (2S,4S)-4-(4-methoxybenzylthio)-1-(4-nitrobenzyloxycarbonyl)-2-pyrrolidinecarboxylic acid, 178 mg of N,N'-carbonyldiimidazole, 289 mg of 3-dimethylamino-1,2,5,6-tetrahydropyrazine bis(trifluoroacetate) and 289 μl of diisopropylethylamine, 460 mg of the title compound were obtained, as a powder.
Sources & evidence
- ORD record
- ord-cf5812ae32d842e094fa8ad67bf7e49b
- Source dataset
- uspto-grants-1999_02
- Patent number
- US05866564
Reaction notes
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