Ethyl isocyanate → 1-[5-(2,4-Diamino-pyrimidin-5-yloxy)-4-isopropyl-2-methoxy-phenyl]-3-ethyl-urea
Reaction equation
[NH2:1][C:2]1[C:3]([O:20][CH3:21])=[CH:4][C:5]([CH:17]([CH3:19])[CH3:18])=[C:6]([CH:16]=1)[O:7][C:8]1[C:9]([NH2:15])=[N:10][C:11]([NH2:14])=[N:12][CH:13]=1.[CH2:22]([N:24]=[C:25]=[O:26])[CH3:23]>C1(C)C=CC=CC=1>[NH2:14][C:11]1[N:10]=[C:9]([NH2:15])[C:8]([O:7][C:6]2[C:5]([CH:17]([CH3:19])[CH3:18])=[CH:4][C:3]([O:20][CH3:21])=[C:2]([NH:1][C:25]([NH:24][CH2:22][CH3:23])=[O:26])[CH:16]=2)=[CH:13][N:12]=1Participants
4
Procedure
A solution of 5-(5-amino-2-Isopropyl-4-methoxy-phenoxy)-pyrimidine-2,4-diamine (0.117 g, 0.4 mmol) and ethyl isocyanate (0.034 g, 0.5 mmol) in 4 mL of toluene was heated to 100° C. in a sealed tube. After 5 h the solution was cooled and concentrated in vacuo gave a brown solid. Purification via flash chromatography (CH2Cl2/MeOH 97:3) afforded 1-[5-(2,4-diamino-pyrimidin-5-yloxy)-4-isopropyl-2-methoxy-phenyl]-3-ethyl-urea (0.120 g, 83%) as a white solid; (M+H)=361.
Workup
- temperatureAfter 5 h the solution was cooled
- concentrationconcentrated in vacuo
- customgave a brown solid
- customPurification via flash chromatography (CH2Cl2/MeOH 97:3)
Sources & evidence
- ORD record
- ord-c29f9c75a3644fd4b37729b949efc8d1
- Source dataset
- uspto-grants-2010_12
- Patent number
- US07858632B2
Reaction notes
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