p-Toluidine → 3-(4-Methylanilino)-4,5-dimethyl-6-(pyridin-4-yl)methylpyridazine
Reaction equation
Cl[C:2]1[N:3]=[N:4][C:5]([CH2:10][C:11]2[CH:16]=[CH:15][N:14]=[CH:13][CH:12]=2)=[C:6]([CH3:9])[C:7]=1[CH3:8].[CH3:17][C:18]1[CH:24]=[CH:23][C:21]([NH2:22])=[CH:20][CH:19]=1>CO>[CH3:17][C:18]1[CH:24]=[CH:23][C:21]([NH:22][C:2]2[N:3]=[N:4][C:5]([CH2:10][C:11]3[CH:16]=[CH:15][N:14]=[CH:13][CH:12]=3)=[C:6]([CH3:9])[C:7]=2[CH3:8])=[CH:20][CH:19]=1Participants
4
Reactant 2
Product 1
Reagents, catalysts & solvents 1
Procedure
The compound is prepared from 0.070 g 3-chloro-4,5-dimethyl-6-(pyridin-4-yl)methylpyridazine and 0.129 g para-methylaniline in the manner described in Example 82A. Title compound is obtained after FC in CH2Cl/Methanol 19/1; m.p. 68-70° C. 1H-NMR (250 MHz, CDCl3): δ=8.45 (s, wide, 2H); 7.45 (d, 2H); 7.10 (“d”, wide, 4H); 6.10 (s, wide, 1H); 4.25 (s, 2H); 2.30 (s, 3H); 2.15 (s, 3H); 2.10 (s, 3H). ES-MS 305 (M+H).
Sources & evidence
- ORD record
- ord-490404542a264d5d989e2e57034ad032
- Source dataset
- uspto-grants-2004_03
- Patent number
- US06710047B2
Reaction notes
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