Diisopropylethylamine → N-(3-{2-[4-(2-methyl-5-quinazolinyl)-1-piperazinyl]ethyl}phenyl)methanesulfonamide

HRID 15872

Reaction equation

[CH3:1][C:2]1[N:11]=[CH:10][C:9]2[C:4](=[CH:5][CH:6]=[CH:7][C:8]=2[N:12]2[CH2:17][CH2:16][NH:15][CH2:14][CH2:13]2)[N:3]=1.CS(O[CH2:23][CH2:24][C:25]1[CH:30]=[CH:29][CH:28]=[C:27]([NH:31][S:32]([CH3:35])(=[O:34])=[O:33])[CH:26]=1)(=O)=O.C(N(C(C)C)CC)(C)C>CN(C=O)C>[CH3:1][C:2]1[N:11]=[CH:10][C:9]2[C:4](=[CH:5][CH:6]=[CH:7][C:8]=2[N:12]2[CH2:17][CH2:16][N:15]([CH2:23][CH2:24][C:25]3[CH:26]=[C:27]([NH:31][S:32]([CH3:35])(=[O:33])=[O:34])[CH:28]=[CH:29][CH:30]=3)[CH2:14][CH2:13]2)[N:3]=1

Participants

Conditions

Temperature: 100 °C

Procedure

A mixture of 2-methyl-5-(1-piperazinyl)quinazoline (50 mg), 2-{3-[(methylsulfonyl)amino]phenyl}ethyl methanesulfonate (65 mg), diisopropylethylamine (192 μL) and DMF (0.5 mL) was heated to 100° C. in a sealed tube and stirred for 24 hours. The mixture was cooled to room temperature and partitioned between aqueous ammonium chloride solution and ethyl acetate. The organic layer was washed (water, brine), dried (sodium sulfate) and concentrated in vacuo. The residue was purified by column chromatography [SiO2; DCM-MeOH: (100:0)→(95:5)] to give the title compound as a beige foam (35 mg).

Workup

temperatureThe mixture was cooled to room temperature
custompartitioned between aqueous ammonium chloride solution and ethyl acetate
washThe organic layer was washed (water, brine)
dry with materialdried (sodium sulfate)
concentrationconcentrated in vacuo
customThe residue was purified by column chromatography [SiO2; DCM-MeOH: (100:0)→(95:5)]

Sources & evidence

ORD record: ord-54de705710c246bd894c0bfe20ad94e2
Source dataset: uspto-grants-2010_06
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US07732600B2

Linked notes

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