N-(2-Aminoethyl)piperidine → 7-methyl-4-oxo-N-[2-(piperidin-1-yl)ethyl]-1-(tetrahydro-2H-pyran-4-yl)-4,5-dihydro-1H-pyrazolo[4,3-c]quinoline-8-carboxamide

HRID 69131

Reaction equation

HRID 69131 reaction equation
[CH3:1][C:2]1[C:3]([C:22](O)=[O:23])=[CH:4][C:5]2[C:6]3[N:15]([CH:16]4[CH2:21][CH2:20][O:19][CH2:18][CH2:17]4)[N:14]=[CH:13][C:7]=3[C:8](=[O:12])[NH:9][C:10]=2[CH:11]=1.[NH2:25][CH2:26][CH2:27][N:28]1[CH2:33][CH2:32][CH2:31][CH2:30][CH2:29]1.CCN(C(C)C)C(C)C.CN(C(ON1N=NC2C=CC=NC1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F>CN(C=O)C>[CH3:1][C:2]1[C:3]([C:22]([NH:25][CH2:26][CH2:27][N:28]2[CH2:33][CH2:32][CH2:31][CH2:30][CH2:29]2)=[O:23])=[CH:4][C:5]2[C:6]3[N:15]([CH:16]4[CH2:21][CH2:20][O:19][CH2:18][CH2:17]4)[N:14]=[CH:13][C:7]=3[C:8](=[O:12])[NH:9][C:10]=2[CH:11]=1

Participants

6

Procedure

To a mixture of 8.2 mg of 7-methyl-4-oxo-1-(tetrahydro-2H-pyran-4-yl)-4,5-dihydro-1H-pyrazolo[4,3-c]quinoline-8-carboxylic acid, 3.8 mg of 1-(2-aminoethyl)piperidine, 13.1 μL of DIPEA, and 0.4 mL of DMF was added a mixture of 9.8 mg of HATU and 0.1 mL of DMF, followed by stirring at room temperature overnight. The reaction mixture was purified by preparative HPLC (methanol/0.1% aqueous formic acid solution) to obtain 3.6 mg of 7-methyl-4-oxo-N-[2-(piperidin-1-yl)ethyl]-1-(tetrahydro-2H-pyran-4-yl)-4,5-dihydro-1H-pyrazolo[4,3-c]quinoline-8-carboxamide.

Workup

  1. additionwas added
  2. customThe reaction mixture was purified by preparative HPLC (methanol/0.1% aqueous formic acid solution)

Sources & evidence

ORD record
ord-2ba3deb513e642d98cbf40b78e3620ce
Source dataset
uspto-grants-2014_09
Patent number
US08822448B2

Linked notes

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