Trifluoroacetic acid → 3(R)-[3-(biphenyl-4-yl)-1H-pyrrol-1-yl]-N-[2-hydroxy-1(S)-[(1H-imidazol-4-yl)methyl]ethyl]succinamic acid benzyl ester
Reaction equation
[CH2:1]([O:8][C:9](=[O:32])[CH2:10][C@@H:11]([NH:24][C:25](OC(C)(C)C)=O)[C:12]([NH:14][C@@H:15]([CH2:18][C:19]1[N:20]=[CH:21][NH:22][CH:23]=1)[CH2:16][OH:17])=[O:13])[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.[C:33]1([C:48]2[CH:53]=[CH:52][CH:51]=[CH:50][CH:49]=2)[CH:38]=[CH:37][C:36]([CH:39]2[CH2:43]C(OC)O[CH:40]2OC)=[CH:35][CH:34]=1.FC(F)(F)C(O)=O>ClCCCl>[CH2:1]([O:8][C:9](=[O:32])[CH2:10][C@@H:11]([N:24]1[CH:25]=[CH:40][C:39]([C:36]2[CH:37]=[CH:38][C:33]([C:48]3[CH:53]=[CH:52][CH:51]=[CH:50][CH:49]=3)=[CH:34][CH:35]=2)=[CH:43]1)[C:12]([NH:14][C@@H:15]([CH2:18][C:19]1[N:20]=[CH:21][NH:22][CH:23]=1)[CH2:16][OH:17])=[O:13])[C:2]1[CH:3]=[CH:4][CH:5]=[CH:6][CH:7]=1Participants
Reactant 3
Product 1
Reagents, catalysts & solvents 1
Procedure
According to the procedure described in Example 1(c) for the preparation of N-(8-oxo-4-oxa-1,7-diaza-tricyclo-[9.6.1.012,17]-octadeca-11(18),12,14,1 6-tetraen-9S-yl)-3(R)-(3-phenyl-1H-pyrrol-1-yl)succinamic acid benzyl ester, 3(R)-(t-butoxycarbonylamino)-N-[2-hydroxy-1(S)-[(1H-imidazol-4-yl)methyl]ethyl]succinamic acid benzyl ester was deprotected, and the resultant crude amine salt was condensed with 3-(biphenyl-4-yl)-2,5-dimethoxy-tetrahydrofuran (produced as described in Example 1(a)) in 1,2-dichloroethane in the presence of trifluoroacetic acid to give in 37% yield 3(R)-[3-(biphenyl-4-yl)-1H-pyrrol-1-yl]-N-[2-hydroxy-1(S)-[(1H-imidazol-4-yl)methyl]ethyl]succinamic acid benzyl ester as a yellow solid. 1H NMR (CDCl3): δ 7.65-7.59 (m, 4H), 7.53 (d, 2H, J=8.5 Hz), 7.45 (t, 2H, J=7.4 Hz), 7.37-7.26 (m, 7H), 6.95 (s, 1H), 6.70 (t, 1H, J=2.2 Hz), 6.65 (s, 1H), 6.52 (s, 1H), 6.45 (bs, 1H), 5.10 (s, 2H), 5.06-5.02 (m, 1H), 4.13-4.11 (m, 1H), 3.69 (dd, 1H, J=3.9, 11.6 Hz), 3.56 (dd, 1H, J=4.8, 11.8 Hz), 3.42 (dd, 1H, J=5.5, 16.9 Hz), 3.06 (dd, 1H, J=8.8, 16.9 Hz), 2.84 (t, 2H, J=4.8 Hz). Anal. Calculated for C33H32N4O4•0.8 H2O•0.15 MTBE: C, 70.34; H, 6.19; N, 9.72. Found: C, 70.51; H, 6.05; N, 10.15.
Sources & evidence
- ORD record
- ord-05a17657ec3d49f193a38c02bbd82941
- Source dataset
- uspto-grants-2001_01
- Patent number
- US06174915B1
Reaction notes
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