1-Phenethylpiperazine → 3-[Chloro(difluoro)methyl]-6-[4-(2-phenylethyl)piperazin-1-yl][1,2,4]triazolo[4,3-b]pyridazine
Reaction equation
[CH2:1]([N:9]1[CH2:14][CH2:13][NH:12][CH2:11][CH2:10]1)[CH2:2][C:3]1[CH:8]=[CH:7][CH:6]=[CH:5][CH:4]=1.Cl[C:16]1[CH:17]=[CH:18][C:19]2[N:20]([C:22]([C:25]([Cl:28])([F:27])[F:26])=[N:23][N:24]=2)[N:21]=1>>[Cl:28][C:25]([F:26])([F:27])[C:22]1[N:20]2[N:21]=[C:16]([N:12]3[CH2:11][CH2:10][N:9]([CH2:1][CH2:2][C:3]4[CH:4]=[CH:5][CH:6]=[CH:7][CH:8]=4)[CH2:14][CH2:13]3)[CH:17]=[CH:18][C:19]2=[N:24][N:23]=1Participants
3
Procedure
A mixture of 1-phenethylpiperazine and 6-chloro-3-[chloro(difluoro)methyl]-[1,2,4]triazolo[4,3-b]pyridazine was allowed to react by an analogous method to Example 339 to give 3-[chloro(difluoro)methyl]-6-[4-(2-phenylethyl)piperazin-1-yl][1,2,4]triazolo[4,3-b]pyridazine in 71% yield.
Workup
- customto react by an analogous method to Example 339
Sources & evidence
- ORD record
- ord-4eb05b6fdc0b4db08412f5ed84ea7ff1
- Source dataset
- uspto-grants-2011_08
- Patent number
- US08003649B2
Reaction notes
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