5-bromo-3,6-diethyl-N-(5-methyl-4,5,6,7-tetrahydro-1-benzothien-4-yl)pyrazin-2-amine → 5-(2,4-dichlorophenyl)-3,6-diethyl-N-[Cis-5-methyl-4,5,6,7-tetrahydro-1-benzothien-4-yl]pyrazin-2-amine
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]([CH2:28][CH3:29])[C:12]([NH:17][C@@H:18]2[C:26]3[C:21](=[CH:22][CH:23]=[CH:24][CH:25]=3)[CH2:20][C@@H:19]2O)=[N:13][C:14]=1[CH2:15][CH3:16].BrC1N=C(CC)C(NC2C3C=C[S:48]C=3CCC2C)=NC=1CC>[Pd].C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1.C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1.C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1.C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1.COCCOC>[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]([CH2:28][CH3:29])[C:12]([NH:17][C@@H:18]2[C:26]3[CH:21]=[CH:22][S:48][C:25]=3[CH2:24][CH2:23][C@@H:19]2[CH3:20])=[N:13][C:14]=1[CH2:15][CH3:16]Participants
5
Reactant 2
Product 1
Reagents, catalysts & solvents 2
Procedure
Following the procedure for the preparation of (1R,2S)-1-{[5-(2,4-dichlorophenyl)-3,6-diethylpyrazin-2-yl]amino}-2,3-dihydro-1H-inden-2-ol but substituting 5-bromo-3,6-diethyl-N-(5-methyl-4,5,6,7-tetrahydro-1-benzothien-4-yl)pyrazin-2-amine, ethylene glycol dimethyl ether and tetrakis(triphenylphosphine) palladium and making non-critical variations provided the title compound as a oil: 1H NMR (400 MHz, CDCl3) δ) 7.51, 7.33, 7.11; 6.96, 5.66, 4.52, 2.95-2.62, 2.55, 2.38, 2.05, 1.97, 1.79, 1.26, 1.20, 1.07; HRMS (FAB) calcd for C23H25Cl2N3S+H 446.1224, found 446.1224.
Sources & evidence
- ORD record
- ord-b336a511cf4c46f089646b2f3d8dd068
- Source dataset
- uspto-grants-2006_01
- Patent number
- US06992087B2
Reaction notes
Loading…