N-(2,2-dimethyl-1(S)-(methylcarbamoyl)propyl)-3(R)-(3-phenyl-1H-pyrrol-1-yl)succinamic acid benzyl ester → N-[2,2-dimethyl-1(S)-(methylcarbamoyl)propyl]-3(R)-(3-phenyl-1H-pyrrol-1-yl)succinamic acid
Reaction equation
C([O:8][C:9](=[O:35])[CH2:10][C@@H:11]([N:24]1[CH:28]=[CH:27][C:26]([C:29]2[CH:34]=[CH:33][CH:32]=[CH:31][CH:30]=2)=[CH:25]1)[C:12]([NH:14][C@H:15]([C:20](=[O:23])[NH:21][CH3:22])[C:16]([CH3:19])([CH3:18])[CH3:17])=[O:13])C1C=CC=CC=1>CO>[CH3:17][C:16]([CH3:19])([CH3:18])[C@H:15]([NH:14][C:12](=[O:13])[C@H:11]([N:24]1[CH:28]=[CH:27][C:26]([C:29]2[CH:34]=[CH:33][CH:32]=[CH:31][CH:30]=2)=[CH:25]1)[CH2:10][C:9]([OH:35])=[O:8])[C:20](=[O:23])[NH:21][CH3:22]Participants
Reactant 1
Product 1
Reagents, catalysts & solvents 1
Procedure
According to the procedure described in Example 1(a), N-[2,2-dimethyl-1(S)-(methylcarbamoyl)propyl]-3(R)-(3-phenyl-1H-pyrrol-1-yl)succinamic acid benzyl ester (371 mg, 0.781 mmol) in MeOH (15 mL) was hydrogenolyzed to provide 301 mg (100%) of N-[2,2-dimethyl-1(S)-(methylcarbamoyl)propyl]-3(R)-(3-phenyl-1H-pyrrol-1-yl)succinarnic acid as a yellow foam. 1H NMR (CDCl3): δ 7.50-7.20 (m, 4H), 7.15 (tt, 1H, J=1.2, 7.3 Hz), 7.06 (dd, 1H, J=2.0, 2.0 Hz), 6.78 (dd, 1H, J=2.5, 2.5 Hz), 6.48 (dd, 1H, J=1.6, 2.8 Hz), 5.20 (t, 1H, J=6.9 Hz), 4.20 (d, 1H, J=9.3 Hz), 3.34 (dd, 1H, J=6.9, 17.4 Hz), 3.06 (dd, 1H, J=7.2, 17.4 Hz), 2.69 (d, 3H, J=4.7 Hz), 0.93 (s, 9H); IR (KBr): 3318, 2966, 1718, 1654, 1559, 1542, 1202, 745 cm−1. HRFABMS: Calcd for C21H27N3O4Cs (M+Cs+): 518.1056. Found: 518.1037. Anal. Calculated for C21H27N3O4•0.3 CHCl3: C, 60.73; H, 6.53; N, 9.97. Found: C, 60.70; H, 6.58; N, 9.84.
Sources & evidence
- ORD record
- ord-1e3415d0cc064ced870b93864e059570
- Source dataset
- uspto-grants-2001_01
- Patent number
- US06174915B1
Reaction notes
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