Dimethylformamide → 2-[1-(5-Ethyl-pyrimidin-2-yl)-piperidin-4-yl]-5-(2-fluoro-4-methanesulfonyl-phenyl)-furo[2,3-c]pyridine

HRID 1471788Notes

Reaction equation

[F:1][C:2]1[CH:7]=[C:6]([S:8]([CH3:11])(=[O:10])=[O:9])[CH:5]=[CH:4][C:3]=1[C:12]1[CH:13]=[C:14]2[CH:20]=[C:19]([CH:21]3[CH2:26][CH2:25][NH:24][CH2:23][CH2:22]3)[O:18][C:15]2=[CH:16][N:17]=1.Cl[C:28]1[N:33]=[CH:32][C:31]([CH2:34][CH3:35])=[CH:30][N:29]=1.C(N(CC)C(C)C)(C)C.CN(C)C=O>O>[CH2:34]([C:31]1[CH:30]=[N:29][C:28]([N:24]2[CH2:25][CH2:26][CH:21]([C:19]3[O:18][C:15]4=[CH:16][N:17]=[C:12]([C:3]5[CH:4]=[CH:5][C:6]([S:8]([CH3:11])(=[O:10])=[O:9])=[CH:7][C:2]=5[F:1])[CH:13]=[C:14]4[CH:20]=3)[CH2:22][CH2:23]2)=[N:33][CH:32]=1)[CH3:35]

Participants

Conditions

Temperature: 120 °C

Procedure

A mixture of 5-(2-fluoro-4-methanesulfonyl-phenyl)-2-piperidin-4-yl-furo[2,3-c]pyridine (70 mg), 2-chloro-5-ethyl-pyrimidine (25 mg), N,N-diisopropyl-ethylamine (67 μL), and N,N-dimethylformamide (1 mL) is stirred at 120° C. for 4 h and then at 100° C. overnight. After cooling to room temperature, water is added and the resulting mixture is extracted with ethyl acetate. The combined extracts are washed with brine, dried (Na2SO4), and concentrated. The residue is chromatographed on silica gel (cyclohexane/ethyl acetate 4:1→1:1) to give the title compound. LC (method 1): tR=1.18 min; Mass spectrum (ESI+): m/z=481 [M+H]+.

Workup

customat 100° C.
customovernight
temperatureAfter cooling to room temperature
extractionthe resulting mixture is extracted with ethyl acetate
washThe combined extracts are washed with brine
dry with materialdried (Na2SO4)
concentrationconcentrated
customThe residue is chromatographed on silica gel (cyclohexane/ethyl acetate 4:1→1:1)

Sources & evidence

ORD record: ord-0bfd503cdfcd4477812882eb938be839
Source dataset: uspto-grants-2015_04
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US09012456B2

Reaction notes

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