Propionyl chloride → HCID 118483527, compound

HRID 58476Notes

Reaction equation

FC(F)(F)C(O)=O.[F:8][C:9]1[C:10]([C:33]([F:36])([F:35])[F:34])=[C:11]([CH:16]2[CH2:21][CH2:20][N:19]([C:22]([C:24]3[C:32]4[CH2:31][CH2:30][NH:29][CH2:28][C:27]=4[NH:26][N:25]=3)=[O:23])[CH2:18][CH2:17]2)[CH:12]=[CH:13][C:14]=1[F:15].[C:37](Cl)(=[O:40])[CH2:38][CH3:39]>>[F:8][C:9]1[C:10]([C:33]([F:34])([F:35])[F:36])=[C:11]([CH:16]2[CH2:17][CH2:18][N:19]([C:22]([C:24]3[C:32]4[CH2:31][CH2:30][N:29]([C:37](=[O:40])[CH2:38][CH3:39])[CH2:28][C:27]=4[NH:26][N:25]=3)=[O:23])[CH2:20][CH2:21]2)[CH:12]=[CH:13][C:14]=1[F:15]

Participants

Reactant 2

HCID 62324Propionyl chloride

HCID 118483456(4-(3,4-Difluoro-2-(trifluoromethyl)phenyl)piperidin-1-yl)(4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridin-3-yl)methanone Trifluoroacetic Acid Salt

Product 1

HCID 118483527HCID 118483527, compound

Procedure

Following general procedure GP-E1, (4-(3,4-difluoro-2-(trifluoromethyl)phenyl)piperidin-1-yl)(4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridin-3-yl)methanone TFA salt (34) and propionyl chloride were converted to l-(3-(4-(3,4-difluoro-2-(trifluoromethyl)phenyl)piperidine-1-carbonyl)-1,4,5,7-tetrahydro-6Hpyrazolo[3,4-c]pyridin-6-yl)propan-1-one as a white solid (35 mg, 63%): mp 182-187° C.; 1H NMR (500 MHz, DMSO-d6) δ13.15-13.10 (m, 0.25H), 12.87 (br s, 0.75H), 7.76-7.72 (m, 1H), 7.51-7.49 (m, 1H), 4.85-4.83 (m, 1H), 4.68-4.57 (m, 3H), 3.69 (s, 0.5H), 3.63 (s, 1.5H), 3.15-3.13 (m, 2H), 2.79-2.77 (m, 1H), 2.68-2.55 (m, 2H, partially merged with DMSO peak), 2.46-2.38 (m, 2H), 1.76-1.71 (m, 4H), 1.02 (t, J=7.5 Hz, 3H); ESI MS m/z 471 [M+H]+.

Sources & evidence

ORD record: ord-7babce9dd8a546cb9d6aec94d77c97fd
Source dataset: uspto-grants-2016_09
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US09434727B2

Reaction notes

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