2,6-Lutidine → HCID 136286772, compound

HRID 1476867Notes

Reaction equation

[F:1][C:2]1[CH:11]=[C:10]2[C:5]([CH:6]=[C:7]([C:18]3[NH:22][C:21](=[O:23])[NH:20][N:19]=3)[N:8]=[C:9]2[O:12][C@H:13]2[CH2:17][CH2:16][NH:15][CH2:14]2)=[CH:4][CH:3]=1.CC1C=CC=C(C)N=1.[C:32](Cl)(=[O:35])[CH:33]=[CH2:34]>C(Cl)Cl>[C:32]([N:15]1[CH2:16][CH2:17][C@H:13]([O:12][C:9]2[C:10]3[C:5](=[CH:4][CH:3]=[C:2]([F:1])[CH:11]=3)[CH:6]=[C:7]([C:18]3[NH:22][C:21](=[O:23])[NH:20][N:19]=3)[N:8]=2)[CH2:14]1)(=[O:35])[CH:33]=[CH2:34]

Participants

Conditions

Temperature: -40 °C

Procedure

To (S)-3-(7-fluoro-1-(pyrrolidin-3-yloxy)isoquinolin-3-yl)-1H-1,2,4-triazol-5 (4H)-one (60 mg, 1.61 mmol) in DCM (10 mL) was added 2,6-dimethylpyridine (51 mg, 0.475 mmol). The mixture was cooled to −40° C. Acryloyl chloride (17 mg, 0.20 mmol) was added and the mixture was warmed to 0° C. over a 30 minute period. The reaction was subsequently quenched with MeOH (5 mL) and the mixture concentrated in vacuo. The crude product was purified by preparative HPLC to give the title compound (16.4 mg, 27%). 1H NMR (400 MHz, DMSO-d6) δ ppm 12.06 (s, 1H), 11.82 (s, 1H), 8.17-8.13 (t, J=8 Hz, 1H), 8.05 (s, 1H), 7.88-7.85 (d, J=12 Hz, 1H), 7.78-7.76 (t, J=8 Hz, 1H), 6.50-6.70 (m, 1H), 6.19-6.13 (m, 2H), 5.73-5.67 (dd, J1=12 Hz, J2=4 Hz, 1H), 4.11-4.08 (m, 0.5H), 3.87-3.82 (m, 2H), 3.69-3.65 (m, 1.5H), 2.38-2.25 (m, 2H); ESI-MS m/z [M+H]+ 370.

Workup

temperaturethe mixture was warmed to 0° C. over a 30 minute period
customThe reaction was subsequently quenched with MeOH (5 mL)
concentrationthe mixture concentrated in vacuo
customThe crude product was purified by preparative HPLC

Sources & evidence

ORD record: ord-309200d17f564008ba4e734f11f2f82d
Source dataset: uspto-grants-2016_08
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US09402841B2

Reaction notes

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