5-(2,4-dichlorophenyl)-N-[(1R,2S)-2-ethoxy-2,3-dihydro-1H-inden-1-yl]-3,6-diethylpyrazin-2-amine → Benzyl (cis)-3-{[5-(2,4-dichlorophenyl)-3,6-diethylpyrazin-2-yl]amino}-4-ethoxypyrrolidine-1-carboxylate
Reaction equation
[Cl:1][C:2]1[CH:7]=[C:6]([Cl:8])[CH:5]=[CH:4][C:3]=1[C:9]1[N:10]=[C:11]([CH2:30][CH3:31])[C:12]([NH:17][C@@H:18]2C3C(=CC=CC=3)[CH2:20][C@@H:19]2[O:27][CH2:28][CH3:29])=[N:13][C:14]=1[CH2:15][CH3:16].ClC1C=C(Cl)C=CC=1C1N=C(CC)C(N[C@H]2[C@@H](O)C[N:51]([C:55]([O:57][CH2:58][C:59]3[CH:64]=[CH:63][CH:62]=[CH:61][CH:60]=3)=[O:56])[CH2:50]2)=NC=1CC>>[Cl:1][C:2]1[CH:7]=[C:6]([Cl:8])[CH:5]=[CH:4][C:3]=1[C:9]1[N:10]=[C:11]([CH2:30][CH3:31])[C:12]([NH:17][C@H:18]2[C@@H:19]([O:27][CH2:28][CH3:29])[CH2:20][N:51]([C:55]([O:57][CH2:58][C:59]3[CH:64]=[CH:63][CH:62]=[CH:61][CH:60]=3)=[O:56])[CH2:50]2)=[N:13][C:14]=1[CH2:15][CH3:16]Participants
3
Reactant 2
Product 1
Procedure
Following the procedure for the preparation of 5-(2,4-dichlorophenyl)-N-[(1R,2S)-2-ethoxy-2,3-dihydro-1H-inden-1-yl]-3,6-diethylpyrazin-2-amine but substituting benzyl(cis)-3-{[5-(2,4-dichlorophenyl)-3,6-diethylpyrazin-2-yl]amino}-4-hydroxypyrrolidine-1-carboxylate and making non-critical variations provided the title compound as an oil: 1H NMR (400 MHz, CDCl3) δ) 7.49, 7.40–7.25, 5.20–5.13, 4.73, 4.10, 3.98, 3.77–3.59, 3.53–3.30, 2.70, 2.46, 1.27, 1.15; HRMS (FAB) calcd for C28H32Cl2N4O3+H 543.1929, found 543.1913. Anal. Calcd for C28H32Cl2N4O3: C, 61.88; H, 5.93; N, 10.31. Found: C, 62.07; H, 6.14; N, 10.16.
Sources & evidence
- ORD record
- ord-911f2d18d93b42a1833d294a22ebbce0
- Source dataset
- uspto-grants-2006_05
- Patent number
- US07041672B2
Reaction notes
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