Hydrochloric Acid → (E)-N-(4-(2-(dimethylamino)ethoxy)phenyl)-3-cyclopropyl-2-(4-hydroxyphenyl)-3-phenylacrylamide

HRID 884067Notes

Reaction equation

HRID 884067 reaction equation
[CH3:1][N:2]([CH3:36])[CH2:3][CH2:4][O:5][C:6]1[CH:11]=[CH:10][C:9]([NH:12][C:13](=[O:35])/[C:14](/[C:25]2[CH:30]=[CH:29][C:28]([O:31]COC)=[CH:27][CH:26]=2)=[C:15](\[CH:22]2[CH2:24][CH2:23]2)/[C:16]2[CH:21]=[CH:20][CH:19]=[CH:18][CH:17]=2)=[CH:8][CH:7]=1.Cl.C([O-])(O)=O.[Na+]>CO.O1CCOCC1.O>[CH3:36][N:2]([CH3:1])[CH2:3][CH2:4][O:5][C:6]1[CH:7]=[CH:8][C:9]([NH:12][C:13](=[O:35])/[C:14](/[C:25]2[CH:26]=[CH:27][C:28]([OH:31])=[CH:29][CH:30]=2)=[C:15](\[CH:22]2[CH2:24][CH2:23]2)/[C:16]2[CH:21]=[CH:20][CH:19]=[CH:18][CH:17]=2)=[CH:10][CH:11]=1

Participants

7

Reactant 3

HCID 313Hydrochloric AcidHCID 516892Sodium BicarbonateHCID 68732008(E)-N-(4-(2-(dimethylamino)ethoxy)phenyl)-3-cyclopropyl-2-(4-(methoxymethoxy)phenyl)-3-phenylacrylamide

Product 1

HCID 42603087(E)-N-(4-(2-(dimethylamino)ethoxy)phenyl)-3-cyclopropyl-2-(4-hydroxyphenyl)-3-phenylacrylamideYield 88%

Reagents, catalysts & solvents 3

HCID 887MethanolSolventHCID 962WaterSolventHCID 312751,4-DioxaneSolvent

Procedure

To a solution of 8 (70 mg, 0.144 mmol) in MeOH (3 ml) was added 4N HCl in 1,4-dioxane (0.4 ml) under ice cooling, and the mixture was stirred at room temperature for 3 h. A solution of NaHCO3 in H2O was poured into the reaction mixture under ice cooling, and the whole was extracted with AcOEt. The organic layer was washed with brine, dried over Na2SO4, and then concentrated. The residual solid was crystallized with Et2O to give 9 (88%). 9: colorless powder; 1H-NMR (CD3OD) δ 0.42 (2H, m), 0.73 (2H, m), 1.99 (1H, m), 2.35 (6H, s), 2.77 (2H, t, J=5.4 Hz), 4.10 (2H, t, J=5.4 Hz), 6.47 (2H, d, J=8.8 Hz), 6.91 (2H, d, J=8.8 Hz), 6.94 (2H, d, J=9.1 Hz), 7.06 (2H, m), 7.13-7.23 (3H, m), 7.56 (2H, d, J=9.3 Hz). HRMS calcd for C28H31N2O3 [M+H]+: 443.2335. Found: 443.2353.

Workup

  1. extractionthe whole was extracted with AcOEt
  2. washThe organic layer was washed with brine
  3. dry with materialdried over Na2SO4
  4. concentrationconcentrated
  5. customThe residual solid was crystallized with Et2O

Sources & evidence

ORD record
ord-a51ddd4754e34089823b1e602bf866d8
Source dataset
uspto-grants-2012_08
Patent number
US08236987B2

Reaction notes

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