Tert-butyl 7-amino-4,5-dihydro-1H-benzo[D]azepine-3(2H)-carboxylate → 7-[5-(2-Methoxy-4-trifluoromethyl-phenyl)-[1,2,4]triazolo[1,5-a]pyridin-2-yl-amino]-1,2,4,5-tetrahydro-3-benzazepine-3-carboxylic acid tert-butyl ester
Reaction equation
Cl[C:2]1[N:22]=[C:5]2[CH:6]=[CH:7][CH:8]=[C:9]([C:10]3[CH:15]=[CH:14][C:13]([C:16]([F:19])([F:18])[F:17])=[CH:12][C:11]=3[O:20][CH3:21])[N:4]2[N:3]=1.[C:23]([O:27][C:28]([N:30]1[CH2:36][CH2:35][C:34]2[CH:37]=[CH:38][C:39]([NH2:41])=[CH:40][C:33]=2[CH2:32][CH2:31]1)=[O:29])([CH3:26])([CH3:25])[CH3:24]>>[C:23]([O:27][C:28]([N:30]1[CH2:36][CH2:35][C:34]2[CH:37]=[CH:38][C:39]([NH:41][C:2]3[N:22]=[C:5]4[CH:6]=[CH:7][CH:8]=[C:9]([C:10]5[CH:15]=[CH:14][C:13]([C:16]([F:19])([F:18])[F:17])=[CH:12][C:11]=5[O:20][CH3:21])[N:4]4[N:3]=3)=[CH:40][C:33]=2[CH2:32][CH2:31]1)=[O:29])([CH3:26])([CH3:24])[CH3:25]Participants
Reactant 2
Product 1
Procedure
2-Chloro-5-(2-methoxy-4-trifluoromethyl-phenyl)-[1,2,4]triazolo[1,5-a]pyridine was prepared from 8-bromo-2-chloro[1,2,4]triazolo[1,5-a]pyridine (0.5 g, 2.15 m mol) and 2-methoxy-4-trifluoromethylbenzeneboronic acid (0.71 g, 3.23 mmol), in a manner analogous to Example 2c. Product was isolated as a foam (0.5 g, 70%). 1H NMR (400 MHz, CDCl3, δ, ppm): 7.73 (m, 1H), 7.67 (d, J=7.3 Hz, 1H), 7.61 (d, J=8.1 HZ, 1H), 7.40 (d, J=8.1 Hz, 1H), 7.303 (s, 1H), 7.10 (d, J=7.3 Hz, 1H), 3.87 (s, 3H). MS=328 (MH)+. 236b) 7-[5-(2-Methoxy-4-trifluoromethyl-phenyl)-[1,2,4]triazolo[1,5-a]pyridin-2-yl-amino]-1,2,4,5-tetrahydro-3-benzazepine-3-carboxylic acid tert-butyl ester was prepared from 2-chloro-5-(2-Methoxy-4-trifluoromethyl-phenyl)-[1,2,4]triazolo[1,5-a]pyridine (0.5 g, 1.5 mmol), and 7-amino-1,2,4,5-tetrahydro-3-benzazepine-3-carboxylic acid tert-butyl ester (0.6 g, 2.0 mmol). Product was isolated as a foam (0.27 g, 32%). 1H NMR (400 MHz, CDCl3, δ, ppm): 7.69 (d, J=7.99 Hz, 1H), 7.56-7.51 (m, 2H), 7.41 (d, J=7.99 Hz, 1H), 7.32-7.28 (m, 2H), 7.06-7.02 (m, 1H), 6.97-6.93 (m, 1H), 6.75 (brs, 1H), 3.86 (s, 3H), 3.62-3.48 (m, 4H), 2.91-2.77 (m, 4H) 1.52 (s, 9H). MS=554 (MH)+. 236c) [5-(2-Methoxy-4-trifluoromethyl-phenyl)-[1,2,4]triazolo[1,5-a]pyridin-2-yl-amino]-1,2,4,5-tetrahydro-3-benzazepin-7-yl)-amine was prepared from 7-[5-(2-methoxy-4-trifluoromethyl-phenyl)-[1,2,4]triazolo[1,5-a]pyridin-2-yl-amino]-1,2,4,5-tetrahydro-3-bezazepine-3-carboxylic acid tert-butyl ester (0.27 g, 0.490 mol) in a manner analogous to Example 234c. Product was isolated as a foam (0.20 g, 90%). 1H NMR (400 MHz, CDCl3, δ, ppm): 7.70 (d, J=7.9 Hz, 1H), 7.56-7.50 (m, 2H), 7.40 (d, J=7.9 Hz, 1H), 7.32-7.23 (m, 2H), 7.03 (d, J=7.9 Hz 1H), 6.96-6.92 (m, 2H), 6.80 (brs, 1H), 3.86 (s, 3H), 3.03-2.92 (m, 4H), 2.91-2.84 (m, 4H). MS=454 (MH)+.
Sources & evidence
- ORD record
- ord-230a75b9f9b2453ab5c70453473fb812
- Source dataset
- uspto-grants-2013_08
- Patent number
- US08501936B2
Reaction notes
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