3-Pyridinecarboxaldehyde → 6-[(2S,5R)-2,5-dimethyl-4-(pyridin-3-ylmethyl)piperazin-1-yl]-3-(trifluoromethyl)[1,2,4]triazolo[4,3-b]pyridazine

HRID 1674979Notes

Reaction equation

HRID 1674979 reaction equation
[N:1]1[CH:6]=[CH:5][CH:4]=[C:3]([CH:7]=O)[CH:2]=1.[CH3:9][C@H:10]1[CH2:15][NH:14][C@H:13]([CH3:16])[CH2:12][N:11]1[C:17]1[CH:18]=[CH:19][C:20]2[N:21]([C:23]([C:26]([F:29])([F:28])[F:27])=[N:24][N:25]=2)[N:22]=1>>[CH3:9][C@H:10]1[CH2:15][N:14]([CH2:7][C:3]2[CH:2]=[N:1][CH:6]=[CH:5][CH:4]=2)[C@H:13]([CH3:16])[CH2:12][N:11]1[C:17]1[CH:18]=[CH:19][C:20]2[N:21]([C:23]([C:26]([F:29])([F:28])[F:27])=[N:24][N:25]=2)[N:22]=1

Participants

3

Reactant 2

HCID 103713-PyridinecarboxaldehydeHCID 673408626-[(2S,5R)-2,5-dimethylpiperazin-1-yl]-3-(trifluoromethyl)-[1,2,4]triazolo[4,3-b]pyridazine

Product 1

HCID 591498396-[(2S,5R)-2,5-dimethyl-4-(pyridin-3-ylmethyl)piperazin-1-yl]-3-(trifluoromethyl)[1,2,4]triazolo[4,3-b]pyridazineYield 84%

Procedure

A mixture of pyridine-3-carboxaldehyde and 6-[(2S,5R)-2,5-dimethylpiperazin-1-yl]-3-(trifluoromethyl)-[1,2,4]triazolo[4,3-b]pyridazine was allowed to react by General Synthetic Method 5 to give 6-[(2S,5R)-2,5-dimethyl-4-(pyridin-3-ylmethyl)piperazin-1-yl]-3-(trifluoromethyl)[1,2,4]triazolo[4,3-b]pyridazine in 84% yield.

Workup

  1. customto react by General Synthetic Method 5

Sources & evidence

ORD record
ord-c32568227aa04d798a29fe1f3c045c78
Source dataset
uspto-grants-2011_08
Patent number
US08003649B2

Reaction notes

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