3,5-dichloro-1-methylpropyl-2(1H)-pyrazinone → 3-(7-Bromo-5-methoxy-2,3-dihydro-1H-indol-1-yl)-5-chloro-1-(1-methylpropyl)-2(1H)-pyrazinone
Reaction equation
[CH:1]([N:5]1[CH:10]=[C:9]([Cl:11])[N:8]=[C:7](Cl)[C:6]1=[O:13])([CH2:3][CH3:4])[CH3:2].Cl.[Br:15][C:16]1[CH:17]=[C:18]([O:25][CH3:26])[CH:19]=[C:20]2[C:24]=1[NH:23][CH2:22][CH2:21]2>>[Br:15][C:16]1[CH:17]=[C:18]([O:25][CH3:26])[CH:19]=[C:20]2[C:24]=1[N:23]([C:7]1[C:6](=[O:13])[N:5]([CH:1]([CH3:2])[CH2:3][CH3:4])[CH:10]=[C:9]([Cl:11])[N:8]=1)[CH2:22][CH2:21]2Participants
3
Procedure
Prepared in a similar fashion as described for Example 413 using 1-sec-butyl-3,5-dichloro-2(1H)-pyrazinone and 7-bromo-5-methoxyindoline hydrochloride as the starting materials. mp 155-157° C.; 1H NMR (300 MHz, CDCl3): δ 6.90 (d, J=2.6 Hz, 1 H), 6.78 (s, 1 H), 6.76 (d, J=2.1 Hz, 1H), 4.99-4.87 (m, 1 H), 4.34 (t, J=7.7 Hz, 2 H), 3.76 (s, 3 H), 3.08 (t, J=7.7 Hz, 2 H), 1.74-1.65 (m, 2 H), 1.34 (d, J=7.0 Hz, 3 H), 0.89 (t, J=7.5 Hz, 3H); HRMS (ESI) calcd for C20H22N3O2BrCl (M+H)+: 412.0427; found m/z 412.0448.
Workup
- customPrepared in a similar fashion
Sources & evidence
- ORD record
- ord-b9c15d67347c44efbc30761656b3209f
- Source dataset
- uspto-grants-2008_01
- Patent number
- US07319100B2
Reaction notes
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