Hydrochloric Acid → HCID 21909294, compound

HRID 1982849Notes

Reaction equation

HRID 1982849 reaction equation
[CH2:1]([O:8][C:9]1[CH:10]=[C:11]([CH2:24][C:25]([OH:27])=O)[CH:12]=[CH:13][C:14]=1[CH2:15][C:16]1[CH:21]=[CH:20][C:19]([CH2:22][CH3:23])=[CH:18][CH:17]=1)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.C(OC(=O)OC(C)(C)C)(C)(C)C.C(=O)([O-])O.[NH4+:44].Cl>O1CCCC1.N1C=CC=CC=1>[CH2:1]([O:8][C:9]1[CH:10]=[C:11]([CH2:24][C:25]([NH2:44])=[O:27])[CH:12]=[CH:13][C:14]=1[CH2:15][C:16]1[CH:21]=[CH:20][C:19]([CH2:22][CH3:23])=[CH:18][CH:17]=1)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1

Participants

7

Reactant 4

HCID 313Hydrochloric AcidHCID 14013Ammonium BicarbonateHCID 10219638Carbonic acid, bis(1,1-dimethylethyl) esterHCID 21909312HCID 21909312, compound

Product 1

HCID 21909294HCID 21909294, compoundYield 92.9%

Reagents, catalysts & solvents 2

HCID 1049PyridineSolventHCID 8028TetrahydrofuranSolvent

Procedure

To a mixture of [3-benzyloxy-4-(4-ethylbenzyl)-phenyl]acetonitrile (0.41 g) in ethanol (5 mL) and water (10 mL) was added potassium hydroxide (0.68 g), and the mixture was heated under reflux for 4 hours. To the reaction mixture was added 2 mol/L hydrochloric acid to acidify, and the mixture was extracted with diethyl ether. The organic layer was washed with water and dried over anhydrous magnesium sulfate, and the solvent was removed under reduced pressure to give [3-benzyloxy-4-(4-ethylbenzyl)phenyl]acetic acid (0.41 g). To a solution of the obtained [3-benzyloxy-4-(4-ethylbenzyl)phenyl]acetic acid (0.41 g) in tetrahydrofuran (10 mL) were added pyridine (0.19 mL), di-tert-butylcarbonate (0.50 g) and ammonium hydrogen carbonate (0.18 g), and the mixture was stirred at room temperature for 18 hours. To the reaction mixture was added 1 mol/L hydrochloric acid, and the mixture was extracted with ethylacetate. The organic layer was washed with water and dried over anhydrous magnesium sulfate, and the solvent was removed under reduced pressure. The residue was purified by column chromatography on silica gel (eluent: dichloromethane/methanol=10/1) to give 2-[3-benzyloxy-4-(4-ethylbenzyl)phenyl]-acetoamide (0.38 g).

Workup

  1. extractionthe mixture was extracted with ethylacetate
  2. washThe organic layer was washed with water
  3. dry with materialdried over anhydrous magnesium sulfate
  4. customthe solvent was removed under reduced pressure
  5. customThe residue was purified by column chromatography on silica gel (eluent: dichloromethane/methanol=10/1)

Sources & evidence

ORD record
ord-b60e10bf61d040e0a3430bdfca11ddcc
Source dataset
uspto-grants-2009_06
Patent number
US07541341B2

Reaction notes

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