Acetyl chloride → 1-(4-acetamido-2,3-dihydro-1H-inden-1-yl)-2-oxo-N-(pyridin-4-yl)-1,2-dihydropyridine-3-carboxamide

HRID 384979Notes

Reaction equation

HRID 384979 reaction equation
[NH2:1][C:2]1[CH:10]=[CH:9][CH:8]=[C:7]2[C:3]=1[CH2:4][CH2:5][CH:6]2[N:11]1[CH:16]=[CH:15][CH:14]=[C:13]([C:17]([NH:19][C:20]2[CH:25]=[CH:24][N:23]=[CH:22][CH:21]=2)=[O:18])[C:12]1=[O:26].[C:27](Cl)(=[O:29])[CH3:28].CCN(CC)CC>C(Cl)Cl>[C:27]([NH:1][C:2]1[CH:10]=[CH:9][CH:8]=[C:7]2[C:3]=1[CH2:4][CH2:5][CH:6]2[N:11]1[CH:16]=[CH:15][CH:14]=[C:13]([C:17]([NH:19][C:20]2[CH:25]=[CH:24][N:23]=[CH:22][CH:21]=2)=[O:18])[C:12]1=[O:26])(=[O:29])[CH3:28]

Participants

5

Reactant 3

HCID 6367Acetyl chlorideHCID 8471TriethylamineHCID 498038671-(4-amino-2,3-dihydro-1H-inden-1-yl)-2-oxo-N-(pyridin-4-yl)-1,2-dihydropyridine-3-carboxamide

Product 1

HCID 498041551-(4-acetamido-2,3-dihydro-1H-inden-1-yl)-2-oxo-N-(pyridin-4-yl)-1,2-dihydropyridine-3-carboxamideYield 59%

Reagents, catalysts & solvents 1

HCID 6344DichloromethaneSolvent

Procedure

To a mixture of 1-(4-amino-2,3-dihydro-1H-inden-1-yl)-2-oxo-N-(pyridin-4-yl)-1,2-dihydropyridine-3-carboxamide (140 mg, 1.0 eq) in DCM (8 mL) was added acetyl chloride (1.5 eq) and Et3N (2.0 eq), the mixture was stirred at room temperature overnight. At the end of reaction, the mixture was concentrated and water was added then extracted with ethyl acetate. The combined organic layer was washed with brine and dried over MgSO4, filtrated and evaporated until the aim product precipitated, filtrated and washed with some DCM to afford 1-(4-acetamido-2,3-dihydro-1H-inden-1-yl)-2-oxo-N-(pyridin-4-yl)-1,2-dihydropyridine-3-carboxamide (90 mg, 59%). MS (ESI) 389.1 (M+H); 1H NMR (300 MHz, DMSO-d6) δ 13.06 (s, 1H), 9.56 (s, 1H), 8.77 (d, J=3.9 Hz, 2H), 8.51 (d, J=4.2 Hz, 1H), 8.27 (d, J=3.9 Hz, 2H), 7.72 (m, 2H), 7.23 (t, J=4.5 Hz, 1H), 6.90 (d, J=4.5 Hz, 1H), 6.55 (t, J=4.2 Hz, 1H), 6.57 (t, J=4.2 Hz, 1H), 3.05-3.15 (m, 1H), 2.90-3.05 (m, 1H), 2.60-2.75 (m, 1H), 2.05-2.15 (m, 1H), 2.11 (s, 3H).

Workup

  1. customAt the end of reaction
  2. concentrationthe mixture was concentrated
  3. additionwater was added
  4. extractionthen extracted with ethyl acetate
  5. washThe combined organic layer was washed with brine
  6. dry with materialdried over MgSO4
  7. filtrationfiltrated
  8. customevaporated until the aim product
  9. customprecipitated
  10. filtrationfiltrated
  11. washwashed with some DCM

Sources & evidence

ORD record
ord-81b9c3e9344545aab0ad0153700b80ed
Source dataset
uspto-grants-2013_02
Patent number
US08367836B2

Reaction notes

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