Butyl isocyanate → HCID 178449571, compound
Reaction equation
O.[NH2:2][CH2:3][C:4]1[CH:9]=[CH:8][C:7]([NH:10][C:11]2[C:19]3[C:14](=[N:15][CH:16]=[N:17][C:18]=3[NH:20][C:21]3[CH:26]=[CH:25][CH:24]=[C:23]([Cl:27])[CH:22]=3)[NH:13][N:12]=2)=[CH:6][CH:5]=1.[CH2:28]([N:32]=[C:33]=[O:34])[CH2:29][CH2:30][CH3:31]>C1COCC1>[CH2:28]([NH:32][C:33]([NH:2][CH2:3][C:4]1[CH:9]=[CH:8][C:7]([NH:10][C:11]2[C:19]3[C:14](=[N:15][CH:16]=[N:17][C:18]=3[NH:20][C:21]3[CH:26]=[CH:25][CH:24]=[C:23]([Cl:27])[CH:22]=3)[NH:13][N:12]=2)=[CH:6][CH:5]=1)=[O:34])[CH2:29][CH2:30][CH3:31]Participants
4
Reactant 2
Product 1
Reagents, catalysts & solvents 1
Conditions
- Temperature
- 20 °C
Procedure
A mixture of 200 mg (0.521 mmol) of 3-(4-aminomethyl-phenylamino)-4-(3-chloro-phenylamino)-1H-pyrazolo[3,4-d]pyrimidine hydrate, 0.061 ml (0.548 mmol) of butyl isocyanate and 5 ml of THF is stirred at 20° C. for 15 hours and then concentrated by evaporation in vacuo. The residue is digested in 5 ml of boiling methanol, cooled to 5° C. and filtered, yielding 3-[4-(n-butylamino-carbonylamino-methyl)-phenylamino]-4-(3-chloro-phenyl-amino)-1H-pyrazolo[3,4-d]pyrimidine; m.p. 217-218° C.
Workup
- concentrationconcentrated by evaporation in vacuo
- temperaturecooled to 5° C.
- filtrationfiltered
Sources & evidence
- ORD record
- ord-e2a0ff1e2d834bc18b324eab05b2ec29
- Source dataset
- uspto-grants-2001_06
- Patent number
- US06251911B1
Reaction notes
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