1H-Indazol-6-amine → HCID 10270538, compound
Reaction equation
Cl[C:2]1[N:7]=[C:6]([Cl:8])[N:5]=[C:4]([C:9]2[CH:14]=[C:13]([Cl:15])[CH:12]=[CH:11][C:10]=2[CH3:16])[N:3]=1.[NH2:17][C:18]1[CH:26]=[C:25]2[C:21]([CH:22]=[N:23][NH:24]2)=[CH:20][CH:19]=1.C(N(C(C)C)CC)(C)C>O1CCCC1>[Cl:8][C:6]1[N:5]=[C:4]([C:9]2[CH:14]=[C:13]([Cl:15])[CH:12]=[CH:11][C:10]=2[CH3:16])[N:3]=[C:2]([NH:17][C:18]2[CH:26]=[C:25]3[C:21]([CH:22]=[N:23][NH:24]3)=[CH:20][CH:19]=2)[N:7]=1Participants
Procedure
A mixture of 2,4-dichloro-6-(5-chloro-2-methyl-phenyl)-[1,3,5]triazine (1 g, 3.6 mmol), 6-aminoindazole (0.5 g, 3.7 mmol), tetrahydrofuran (10 ml), and diisopropylethylamine (0.65 ml, 3.7 mmol) was stirred for 1 hour. After concentrating under reduced pressure, the residue was treated with water (25 ml) and stirred for 10 minutes. The solid was filtered, treated with hydrochloric acid (1 M, 10 ml), stirred vigorously for 10 minutes, and filtered. The solid was purified by flash chromatography on silica eluting with 5% methanol-dichloromethane to yield the title compound (600 mg, 45% yield). 1H NMR (DMSO-d6) 13.04 (br s, 1H), 10.90-10.97 (m, 1H), 8.12 (s, 1H), 8.02 (s, 1H), 7.71 (m, 2H), 7.53 (m, 1H), 7.41 (m, 1H), 7.34 (m, 1H), 2.50-2.54 (m, 3H).
Workup
- concentrationAfter concentrating under reduced pressure
- additionthe residue was treated with water (25 ml)
- stirringstirred for 10 minutes
- filtrationThe solid was filtered
- additiontreated with hydrochloric acid (1 M, 10 ml)
- stirringstirred vigorously for 10 minutes
- filtrationfiltered
- customThe solid was purified by flash chromatography on silica eluting with 5% methanol-dichloromethane
Sources & evidence
- ORD record
- ord-262c2eceb7bc4763962df6ad83241889
- Source dataset
- uspto-grants-2009_11
- Patent number
- US07618968B2
Reaction notes
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