3-Amino-5-bromopyridine → HCID 86608090, compound
Reaction equation
[C:1]([C:3]1[CH:4]=[N:5][N:6]2[C:11]([C:12]([F:15])([F:14])[F:13])=[CH:10][C:9]([C:16]3[CH:21]=[CH:20][C:19]([C:22]([F:25])([F:24])[F:23])=[CH:18][CH:17]=3)=[N:8][C:7]=12)#[CH:2].Br[C:27]1[CH:28]=[C:29]([NH2:33])[CH:30]=[N:31][CH:32]=1>>[F:15][C:12]([F:14])([F:13])[C:11]1[N:6]2[N:5]=[CH:4][C:3]([C:1]#[C:2][C:27]3[CH:28]=[C:29]([NH2:33])[CH:30]=[N:31][CH:32]=3)=[C:7]2[N:8]=[C:9]([C:16]2[CH:21]=[CH:20][C:19]([C:22]([F:25])([F:24])[F:23])=[CH:18][CH:17]=2)[CH:10]=1Participants
3
Procedure
The title compound was prepared from 3-ethynyl-7-trifluoromethyl-5-(4-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidine (example C.1) (355 g, 1.0 mmol) and 5-bromo-pyridin-3-ylamine (example B.44) (156 mg, 0.9 mmol) according to general procedure II. Obtained as a light brown solid (40 mg, 9%). MS (ISN) 506.1 [(M+OAc)−]; mp 216-217° C.
Sources & evidence
- ORD record
- ord-96106c326bb44c488e7a3caf24ad3000
- Source dataset
- uspto-grants-2008_11
- Patent number
- US07446113B2
Reaction notes
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