Trifluoroacetic acid → (R)-1-(4-((6-(3-aminopiperidin-1-yl)pyridin-3-yl)amino)-6-(3,5-dichloro-4-hydroxyphenyl)-1,5-naphthyridin-3-yl)propan-1-one trihydrochloride

HRID 2178954Notes

Reaction equation

HRID 2178954 reaction equation
C(OC(=O)[NH:7][C@@H:8]1[CH2:13][CH2:12][CH2:11][N:10]([C:14]2[CH:19]=[CH:18][C:17]([NH:20][C:21]3[C:30]4[C:25](=[CH:26][CH:27]=[C:28]([C:31]5[CH:36]=[C:35]([Cl:37])[C:34]([OH:38])=[C:33]([Cl:39])[CH:32]=5)[N:29]=4)[N:24]=[CH:23][C:22]=3[C:40]([CH:42]3C[CH2:43]3)=[O:41])=[CH:16][N:15]=2)[CH2:9]1)(C)(C)C.C(O)(C(F)(F)F)=O>>[ClH:37].[ClH:37].[ClH:37].[NH2:7][C@@H:8]1[CH2:13][CH2:12][CH2:11][N:10]([C:14]2[N:15]=[CH:16][C:17]([NH:20][C:21]3[C:30]4[C:25](=[CH:26][CH:27]=[C:28]([C:31]5[CH:32]=[C:33]([Cl:39])[C:34]([OH:38])=[C:35]([Cl:37])[CH:36]=5)[N:29]=4)[N:24]=[CH:23][C:22]=3[C:40](=[O:41])[CH2:42][CH3:43])=[CH:18][CH:19]=2)[CH2:9]1

Participants

3

Reactant 2

HCID 6422Trifluoroacetic acidHCID 136981875(R)-tert-butyl [1-(5-{[3-(cyclopropanecarbonyl)-6-(3,5-dichloro-4-hydroxyphenyl)-1,5-naphthyridin-4-yl]amino}pyridin-2-yl)piperidin-3-yl]carbamate

Product 1

HCID 137231126(R)-1-(4-((6-(3-aminopiperidin-1-yl)pyridin-3-yl)amino)-6-(3,5-dichloro-4-hydroxyphenyl)-1,5-naphthyridin-3-yl)propan-1-one trihydrochlorideYield 247.4%

Procedure

Following general procedure IV-2, (R)-tert-butyl[1-(5-{[3-(cyclopropanecarbonyl)-6-(3,5-dichloro-4-hydroxyphenyl)-1,5-naphthyridin-4-yl]amino}pyridin-2-yl)piperidin-3-yl]carbamate (80 mg, 0.12 mmol) was reacted with TFA (2 mL) followed by formation of the trihydrochloride salt to afford the desired product (48 mg, 62%) as an orange solid: 1H NMR (500 MHz, CD3OD) δ 9.39 (s, 1H), 8.49 (d, J=9.5 Hz, 1H), 8.42 (d, J=9.0 Hz, 1H), 8.26 (d, J=2.0 Hz, 1H), 7.92 (dd, J=9.5, 2.0 Hz, 1H), 7.58 (s, 2H), 7.28 (d, J=9.5 Hz, 1H), 4.42-4.32 (m, 1H), 4.16-3.96 (m, 1H), 3.52-3.22 (m, 5H), 2.29-2.18 (m, 1H), 2.08-1.98 (m, 1H), 1.88-1.75 (m, 2H), 1.37-1.20 (m, 3H); ESI MS m/z 537 [M+H]+; HPLC 98.0% (AUC), tR=9.92 min

Sources & evidence

ORD record
ord-1f23649ff4e945d380052a868eef0d3a
Source dataset
uspto-grants-2015_06
Patent number
US09067937B2

Reaction notes

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