1-(2-Hydroxyethyl)piperazine → HCID 54426903, compound

HRID 565891Notes

Reaction equation

HRID 565891 reaction equation
Cl[CH2:2][C:3]1[CH:8]=[CH:7][C:6]([NH:9][C:10]([C:12]2[CH2:21][CH2:20][C:19]3[C:14](=[CH:15][C:16]([C:22]4[CH:27]=[CH:26][C:25]([CH3:28])=[CH:24][CH:23]=4)=[CH:17][CH:18]=3)[CH:13]=2)=[O:11])=[CH:5][CH:4]=1.[OH:29][CH2:30][CH2:31][N:32]1[CH2:37][CH2:36][NH:35][CH2:34][CH2:33]1.C(=O)([O-])O.[Na+]>C1COCC1>[OH:29][CH2:30][CH2:31][N:32]1[CH2:37][CH2:36][N:35]([CH2:2][C:3]2[CH:8]=[CH:7][C:6]([NH:9][C:10]([C:12]3[CH2:21][CH2:20][C:19]4[C:14](=[CH:15][C:16]([C:22]5[CH:27]=[CH:26][C:25]([CH3:28])=[CH:24][CH:23]=5)=[CH:17][CH:18]=4)[CH:13]=3)=[O:11])=[CH:5][CH:4]=2)[CH2:34][CH2:33]1

Participants

5

Reactant 3

HCID 76771-(2-Hydroxyethyl)piperazineHCID 516892Sodium BicarbonateHCID 18472361N-[4-(chloromethyl)phenyl]-7-(4-methylphenyl)-3,4-dihydronaphthalene-2-carboxamide

Product 1

HCID 54426903HCID 54426903, compound

Reagents, catalysts & solvents 1

HCID 8028TetrahydrofuranSolvent

Procedure

In THF (7ml) was dissolved N-[4-(chloromethyl)-phenyl]-7-(4-methylphenyl)-3,4-dihydronaphthalene-2-carboxamide (150mg), and to the mixture was added 1-(2-hydroxyethyl)piperazine (142 μl). The mixture was refluxed for 22 hours. The reaction mixture was cooled to room temperature, and to the mixture was added 5% sodium hydrogen carbonate solution (50ml). The mixture was extracted with ethyl acetate. The organic layer was washed with saturated sodium chloride solution, dried with anhydrous sodium sulfate, and concentrated under reduced pressure. The residue was recrystallized from ethyl acetate-hexane to give N-[4-[1-(2-hydroxyethyl)-4-piperazinylmethyl]phenyl]-7-(4-methylphenyl)-3,4-dihydronaphthalene-2-carboxamide (Compound 46) (158mg) as colorless crystals.

Workup

  1. temperatureThe mixture was refluxed for 22 hours
  2. extractionThe mixture was extracted with ethyl acetate
  3. washThe organic layer was washed with saturated sodium chloride solution
  4. dry with materialdried with anhydrous sodium sulfate
  5. concentrationconcentrated under reduced pressure
  6. customThe residue was recrystallized from ethyl acetate-hexane

Sources & evidence

ORD record
ord-41bda64196a2438a83455b7da4fbb25c
Source dataset
uspto-grants-2001_01
Patent number
US06172061B2

Reaction notes

Loading…