Ammonia → HCID 68284294, compound
Reaction equation
[CH3:1][N:2]1[CH2:30][CH2:29][C:5]2[N:6]([CH2:14][CH:15]([C:23]3[CH:28]=[CH:27][N:26]=[CH:25][CH:24]=3)[CH2:16][CH2:17]OS(C)(=O)=O)[C:7]3[CH:8]=[CH:9][C:10]([CH3:13])=[CH:11][C:12]=3[C:4]=2[CH2:3]1.[NH3:31]>>[CH3:1][N:2]1[CH2:30][CH2:29][C:5]2[N:6]([CH2:14][CH:15]([C:23]3[CH:28]=[CH:27][N:26]=[CH:25][CH:24]=3)[CH2:16][CH2:17][NH2:31])[C:7]3[CH:8]=[CH:9][C:10]([CH3:13])=[CH:11][C:12]=3[C:4]=2[CH2:3]1Participants
Procedure
Methanesulfonic acid-4-(2,8-dimethyl-1,2,3,4-tetrahydro-pyrido[4,3-b]indol-5-yl)-3-pyridin-4-yl-butyl ester (200 mg, 0.468 mmol) in 10 mL of aqueous ammonia was heated at 100° C. for 1 h. The progress of reaction was monitored by TLC. After consumption of starting material, the reaction mixture was dried and the crude product was purified by reverse phase chromatography to obtain 33 mg of 4-(2,8-dimethyl-1,2,3,4-tetrahydro-pyrido[4,3-b]indol-5-yl)-3-pyridin-4-yl-butylamine as the TFA salt. 1H NMR (CD3OD, TFA salt) δ (ppm): 8.5 (d, 2H), 7.5 (m, 2H), 7.25 (d, 1H), 7.24 (s, 1H), 7.05 (t, 1H), 4.6 (d, 1H), 4.5 (d, 1H), 4.3 (m, 1H), 4.23 (t, 1H), 3.8 (m, 1H), 3.5 (m, 1H), 3.08 (d, 3H), 2.8 (m, 2H), 2.7 (m, 2H), 2.4 (s, 3H), 2.25 (m, 1H), 2.2 (m, 1H). Separation by chiral HPLC provides enantiomers II-231a-b.
Workup
- customThe progress of reaction
- customAfter consumption of starting material
- customthe reaction mixture was dried
- customthe crude product was purified by reverse phase chromatography
Sources & evidence
- ORD record
- ord-a16d7aab42724fea8ecbe38fe2b0aa12
- Source dataset
- uspto-grants-2014_07
- Patent number
- US08791132B2
Reaction notes
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