Reaction equation
CN(C)[CH:3]=[CH:4][C:5]([C:7]1[C:8]([CH3:16])=[C:9]([C:14]#[N:15])[S:10][C:11]=1[S:12][CH3:13])=O.[C:18]1([NH:24][C:25]([NH2:27])=[NH:26])[CH:23]=[CH:22][CH:21]=[CH:20][CH:19]=1>C(#N)C.CO>[CH3:16][C:8]1[C:7]([C:5]2[CH:4]=[CH:3][N:27]=[C:25]([NH:24][C:18]3[CH:23]=[CH:22][CH:21]=[CH:20][CH:19]=3)[N:26]=2)=[C:11]([S:12][CH3:13])[S:10][C:9]=1[C:14]#[N:15]Participants
5
Reactant 2
Product 1
Reagents, catalysts & solvents 2
Procedure
To a solution of 4-(3-dimethylamino-acryloyl)-3-methyl-5-methylsulfanyl-thiophene-2-carbonitrile (0.2 mmol) in acetonitrile (0.25 mL) was added N-phenyl guanidine (1 equivalent, 0.2 mmol) and the reaction heated at reflux for 24 hours. The resulting mixture was cooled to room temperature then diluted with methanol (3 mL). The resulting slurry was filtered washed with methanol to afford IIb-7.
Workup
- temperaturethe reaction heated
- temperatureat reflux for 24 hours
- filtrationThe resulting slurry was filtered
- washwashed with methanol
- customto afford IIb-7
Sources & evidence
- ORD record
- ord-2810a450ddcc4664936267dcc3b490d2
- Source dataset
- uspto-grants-2006_08
- Patent number
- US07084159B2
Linked notes
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