4-(2-Methoxyethoxy)aniline → Tert-butyl (3-((5-fluoro-2-((4-(2-methoxyethoxy)phenyl)amino)pyrimidin-4-yl)amino)phenyl)carbamate
Reaction equation
Cl[C:2]1[N:7]=[C:6]([NH:8][C:9]2[CH:10]=[C:11]([NH:15][C:16](=[O:22])[O:17][C:18]([CH3:21])([CH3:20])[CH3:19])[CH:12]=[CH:13][CH:14]=2)[C:5]([F:23])=[CH:4][N:3]=1.[CH3:24][O:25][CH2:26][CH2:27][O:28][C:29]1[CH:35]=[CH:34][C:32]([NH2:33])=[CH:31][CH:30]=1>C(O)(CC)(C)C.C(O)(=O)C>[F:23][C:5]1[C:6]([NH:8][C:9]2[CH:10]=[C:11]([NH:15][C:16](=[O:22])[O:17][C:18]([CH3:21])([CH3:20])[CH3:19])[CH:12]=[CH:13][CH:14]=2)=[N:7][C:2]([NH:33][C:32]2[CH:31]=[CH:30][C:29]([O:28][CH2:27][CH2:26][O:25][CH3:24])=[CH:35][CH:34]=2)=[N:3][CH:4]=1Participants
5
Reactant 2
Product 1
Reagents, catalysts & solvents 2
Procedure
tert-Butyl (3-((2-chloro-5-fluoropyrimidin-4-yl)amino)phenyl)carbamate (800 mg, 2.37 mmoL) and 4-(2-methoxyethoxy)aniline (576 mg, 2.84 mmoL) were suspended in tert-amyl alcohol (14 mL) and acetic acid (5 drops). Heated to reflux for 4 h. After cooling, solvent was removed via rotary evaporation. The dark oil was partitioned between water/brine and THF (10 mL each), agitated, and separated layers and dried organic phase over sodium sulfate. The solvent was removed via rotary evaporation to afford a purple solid, 0.55 g. LC/MS (RT=2.997/(M+1)) 470.2. Additional 150 mg of product minus the (BOC) protecting group crystallized from the aqueous layer
Workup
- temperatureHeated
- temperatureto reflux for 4 h
- temperatureAfter cooling
- customsolvent was removed via rotary evaporation
- customThe dark oil was partitioned between water/brine and THF (10 mL each)
- customseparated layers and dried organic phase over sodium sulfate
- customThe solvent was removed via rotary evaporation
- customto afford a purple solid, 0.55 g
- customLC/MS (RT=2.997/(M+1)) 470.2
- customcrystallized from the aqueous layer
Sources & evidence
- ORD record
- ord-db82cdbf297a4caa9c1f43e174a15ab5
- Source dataset
- uspto-grants-2015_09
- Patent number
- US09126950B2
Reaction notes
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