Triethylamine → 4-[3-(4-t-Butylbenzoylamino)propylthio]pyridine hydrochloride

HRID 6107

Reaction equation

HRID 6107 reaction equation
Cl.Cl.[NH2:3][CH2:4][CH2:5][CH2:6][S:7][C:8]1[CH:13]=[CH:12][N:11]=[CH:10][CH:9]=1.C(N(CC)CC)C.[C:21]([C:25]1[CH:33]=[CH:32][C:28]([C:29]([Cl:31])=[O:30])=[CH:27][CH:26]=1)([CH3:24])([CH3:23])[CH3:22]>C(Cl)Cl>[ClH:31].[C:21]([C:25]1[CH:26]=[CH:27][C:28]([C:29]([NH:3][CH2:4][CH2:5][CH2:6][S:7][C:8]2[CH:13]=[CH:12][N:11]=[CH:10][CH:9]=2)=[O:30])=[CH:32][CH:33]=1)([CH3:24])([CH3:22])[CH3:23]

Participants

5

Reactant 3

HCID 8471TriethylamineHCID 743724-tert-Butylbenzoyl chlorideHCID 190792594-(3-Aminopropylthio)pyridine dihydrochloride

Product 1

HCID 190791484-[3-(4-t-Butylbenzoylamino)propylthio]pyridine hydrochlorideYield 88%

Reagents, catalysts & solvents 1

HCID 6344DichloromethaneSolvent

Procedure

To a solution of 1.00 g (4.15 mmol) of 4-(3-aminopropylthio)pyridine dihydrochloride and 2.77 ml (19.8 mmol) of triethylamine in 40 ml of methylene chloride was added 0.48 ml (4.96 mmol) of 4-t-butylbenzoyl chloride under ice-cooling with stirring and the mixture was stirred at room temperature for 30 minutes. The reaction mixture was washed with an aqueous saturated sodium bicarbonate solution and water and dried. The solvent was distilled off. The residue was purified by column chromatography (eluent: ethyl acetate) to obtain 1.20 g of the desired compound (free base) (88.0%, yellow powder).

Workup

  1. temperaturecooling
  2. stirringthe mixture was stirred at room temperature for 30 minutes
  3. washThe reaction mixture was washed with an aqueous saturated sodium bicarbonate solution and water
  4. customdried
  5. distillationThe solvent was distilled off
  6. customThe residue was purified by column chromatography (eluent: ethyl acetate)

Sources & evidence

ORD record
ord-afad64aa4b6845c1aa72f4e04ffcbd0e
Source dataset
uspto-grants-1993_09
Patent number
US05246948

Linked notes

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