Hydrochloric Acid → HCID 86736423, compound

HRID 1759066Notes

Reaction equation

HRID 1759066 reaction equation
[CH3:1][C:2]1[NH:3][C:4]([CH:32](OCC)[O:33]CC)=[C:5]([C:27]([O:29][CH2:30][CH3:31])=[O:28])[CH:6]([C:18]2[CH:23]=[CH:22][CH:21]=[C:20]([N+:24]([O-:26])=[O:25])[CH:19]=2)[C:7]=1[C:8]([O:10][CH2:11][CH2:12][N:13]([CH2:16][CH3:17])[CH2:14][CH3:15])=[O:9].Cl.C(=O)(O)[O-].[Na+]>CC(C)=O>[CH3:1][C:2]1[NH:3][C:4]([CH:32]=[O:33])=[C:5]([C:27]([O:29][CH2:30][CH3:31])=[O:28])[CH:6]([C:18]2[CH:23]=[CH:22][CH:21]=[C:20]([N+:24]([O-:26])=[O:25])[CH:19]=2)[C:7]=1[C:8]([O:10][CH2:11][CH2:12][N:13]([CH2:16][CH3:17])[CH2:14][CH3:15])=[O:9]

Participants

5

Reactant 3

HCID 313Hydrochloric AcidHCID 516892Sodium BicarbonateHCID 20533149HCID 20533149, compound

Product 1

HCID 86736423HCID 86736423, compoundYield 85.4%

Reagents, catalysts & solvents 1

HCID 180AcetoneSolvent

Procedure

To a mixture of a brown oil (2.46 g) of 2-(N,N-diethylamino)ethyl 2-methyl-4-(3-nitrophenyl)-5-ethoxycarbonyl-6-diethoxymethyl-1,4-dihydropyridine-3-carboxylate in acetone (24.6 ml) was added 6 N hydrochloric acid (2.46 ml) and this mixture was stirred for two hours at room temperature. The reaction mixture was adjusted to pH 7 with an aqueous solution of sodium bicarbonate and the acetone was distilled off. The residue was extracted with ethyl acetate, and the extract was washed with water, dried, and concentrated to give an oil (1.81 g) of 2-(N,N-diethylamino)ethyl 2-methyl-4-(3-nitrophenyl)-5-ethoxycarbonyl-6-formyl-1,4-dihydropyridine-3-carboxylate.

Workup

  1. distillationthe acetone was distilled off
  2. extractionThe residue was extracted with ethyl acetate
  3. washthe extract was washed with water
  4. customdried
  5. concentrationconcentrated

Sources & evidence

ORD record
ord-d7e35c6c3d7a4f718aadcff3cae00a0e
Source dataset
uspto-grants-1982_07
Patent number
US04338322

Reaction notes

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