4-(2-(Diethylamino)ethoxy)aniline → HCID 22125105, compound
Reaction equation
[Cl:1][C:2]1[CH:7]=[C:6]([Cl:8])[CH:5]=[C:4]([Cl:9])[C:3]=1[N:10]1[CH2:19][C:18]2[C:13](=[N:14][C:15](S(C)(=O)=O)=[N:16][CH:17]=2)[N:12]([CH3:24])[C:11]1=[O:25].[CH2:26]([N:28]([CH2:39][CH3:40])[CH2:29][CH2:30][O:31][C:32]1[CH:38]=[CH:37][C:35]([NH2:36])=[CH:34][CH:33]=1)[CH3:27]>>[Cl:1][C:2]1[CH:7]=[C:6]([Cl:8])[CH:5]=[C:4]([Cl:9])[C:3]=1[N:10]1[CH2:19][C:18]2[C:13](=[N:14][C:15]([NH:36][C:35]3[CH:34]=[CH:33][C:32]([O:31][CH2:30][CH2:29][N:28]([CH2:39][CH3:40])[CH2:26][CH3:27])=[CH:38][CH:37]=3)=[N:16][CH:17]=2)[N:12]([CH3:24])[C:11]1=[O:25]Participants
Conditions
- Temperature
- 180 °C
Procedure
A mixture of 200 mg (0.48 mmol) of 3-(2,4,6-trichlorophenyl)-7-methanesulfonyl-3,4-dihydro-1-methylpyrimido[4,5-d]pyrimidin-2(1H)-one and 300 mg (1.4 mmol) of 4-[2-(diethylamino)ethoxy]aniline was heated at 180° C. for 30 minutes. The mixture was cooled and the product purified by column chromatography on silica gel using dichloromethane/methanol/acetic acid/water (240:24:3:2) for the elution. Product-containing fractions were combined, evaporated and the residue evaporated with toluene. The residue was then dissolved in 40 ml of dichloromethane, washed with 40 ml of saturated aqueous sodium bicarbonate solution, dried over magnesium sulfate, filtered and evaporated to afford 45 mg (17%) of 3-(2,4,6-trichlorophenyl)-7-[4-[2-(diethylamino)ethoxy]anilino]-3,4-dihydro-1-methylpyrimido[4,5-d]pyrimidin-2(1H)-one as a white solid of melting point 142° C.
Workup
- temperatureThe mixture was cooled
- customthe product purified by column chromatography on silica gel
- washfor the elution
- customevaporated
- customthe residue evaporated with toluene
- dissolutionThe residue was then dissolved in 40 ml of dichloromethane
- washwashed with 40 ml of saturated aqueous sodium bicarbonate solution
- dry with materialdried over magnesium sulfate
- filtrationfiltered
- customevaporated
Sources & evidence
- ORD record
- ord-82d38f4faa2245c7b934f15bfbcd73ff
- Source dataset
- uspto-grants-2000_11
- Patent number
- US06150373
Reaction notes
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