Trifluoroacetic acid → Phenylmethyl 4-[(4-chloro-1H-pyrrolo[3,2-c]pyridin-2-yl)methyl]-3-oxo-1-piperazinecarboxylate
반응식
FC(F)(F)C(O)=O.C(OC([N:15]1[C:23]2[CH:22]=[CH:21][N:20]=[C:19]([Cl:24])[C:18]=2[CH:17]=[C:16]1[CH2:25][N:26]1[CH2:31][CH2:30][N:29]([C:32]([O:34][CH2:35][C:36]2[CH:41]=[CH:40][CH:39]=[CH:38][CH:37]=2)=[O:33])[CH2:28][C:27]1=[O:42])=O)(C)(C)C>C(Cl)Cl>[CH2:35]([O:34][C:32]([N:29]1[CH2:30][CH2:31][N:26]([CH2:25][C:16]2[NH:15][C:23]3[CH:22]=[CH:21][N:20]=[C:19]([Cl:24])[C:18]=3[CH:17]=2)[C:27](=[O:42])[CH2:28]1)=[O:33])[C:36]1[CH:37]=[CH:38][CH:39]=[CH:40][CH:41]=1참가 물질
실험 절차
Trifluoroacetic acid (10 mL) is added to a solution of 2-(4-benzyloxycarbonyl-2-oxo-piperazin-1-ylmethyl)-4-chloro-pyrrolo[3,2-c]pyridine-1-carboxylic acid tert-butyl ester (5.66 g, 11.3 mmol, prepared in the same manner as described previously) in CH2Cl2 (10 mL). The solution is stirred overnight then diluted with CH2Cl2 and washed with saturated NaHCO3 and brine. The organic layer is dried over MgSO4, filtered and concentrated to dryness. The crude product is chromatographed eluting with 1-5% MeOH/CH2Cl2 to yield the title product (3.81 g, 9.56 mmol) as a foamy yellow solid. 1H NMR (CDCl3, 300 MHz) δ9.43 (bs, 1H), 8.08 (d, 1H), 7.38 (s, 5H), 7.18 (d, 1H), 6.51 (s, 1H), 5.15 (s, 2H), 4.58 (s, 2H), 4.20 (s, 2H), 3.71 (m, 2H), 3.50 (m, 2H). Ion spray [M+H]+=399, 401, Cl pattern.
후처리
- customprepared in the same manner
- washwashed with saturated NaHCO3 and brine
- dry with materialThe organic layer is dried over MgSO4
- filtrationfiltered
- concentrationconcentrated to dryness
- customThe crude product is chromatographed
- washeluting with 1-5% MeOH/CH2Cl2
출처 및 근거
- ORD 기록
- ord-89c763872df94fb49082851a202ac181
- 출처 데이터셋
- uspto-grants-2009_11
- 특허 번호
- US07612075B2
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