Acetic Anhydride → HCID 22488246, compound

HRID 1760406Notes

Reaction equation

HRID 1760406 reaction equation
[O:1]1[C:5]2[CH:6]=[CH:7][C:8]([CH2:10][NH:11][CH2:12][CH2:13][CH:14]3[CH2:19][CH2:18][CH2:17][CH2:16][N:15]3[C:20]3[CH:25]=[CH:24][N:23]=[C:22]([N:26]4[CH:30]=[CH:29][N:28]=[CH:27]4)[N:21]=3)=[CH:9][C:4]=2[O:3][CH2:2]1.CCN(C(C)C)C(C)C.[C:40](OC(=O)C)(=[O:42])[CH3:41]>C1COCC1>[C:40]([N:11]([CH2:10][C:8]1[CH:7]=[CH:6][C:5]2[O:1][CH2:2][O:3][C:4]=2[CH:9]=1)[CH2:12][CH2:13][CH:14]1[CH2:19][CH2:18][CH2:17][CH2:16][N:15]1[C:20]1[CH:25]=[CH:24][N:23]=[C:22]([N:26]2[CH:30]=[CH:29][N:28]=[CH:27]2)[N:21]=1)(=[O:42])[CH3:41]

Participants

5

Reactant 3

HCID 7918Acetic AnhydrideHCID 81531DiisopropylethylamineHCID 22488352N-[(1,3-benzodioxol-5-yl)methyl]-1-[2-(1H-imidazol-1-yl)pyrimidin-4-yl)piperidine-2-ethanamine

Product 1

HCID 22488246HCID 22488246, compoundYield 60%

Reagents, catalysts & solvents 1

HCID 8028TetrahydrofuranSolvent

Procedure

To THF (3 mL) was added N-[(1,3-benzodioxol-5-yl)methyl]-1-[2-(1H-imidazol-1-yl)pyrimidin-4-yl]piperidine-2-ethanamine (8 mg, 0.03 mmol), Hünig's base (8 mg, 0.06 mmol), and acetic anhydride (4 mg, 0.04 mmol). After stirring for 16 hours, the solvent was removed in vacuo and the residue was chromatographed (CH2Cl2/MeOH. 19/1) to give 8 mg (60%) of N-acetyl-N-[(1,3-benzodioxol-5-yl)methyl]-1-[2-(1H-imidazol-1-yl)pyrimidin-4-yl]piperidine-2-ethanamine (the compound of formula (Igg)): 1H NMR (CDCl3) δ 8.48 (s, 1), 8.08 (d, 1), 7.76 (s, 1), 7.09 (s, 1), 6.66 (m, 3), 6.33 (m, 1), 5.94 (s, 1), 5.91 (s, 1), 4.43 (m, 3), 3.40 (m, 2), 2.11 (d, 3), 1.14 (m); MS: 450.0 (M+H)+.

Workup

  1. customthe solvent was removed in vacuo
  2. customthe residue was chromatographed (CH2Cl2/MeOH. 19/1)

Sources & evidence

ORD record
ord-8067b8749bb04abaa9491c05ebf22d5f
Source dataset
uspto-grants-2005_01
Patent number
US06841674B2

Reaction notes

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