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1,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochloride → N-[1-(3-methoxyphenyl)ethyl]-3-[5-(4-chlorophenyl)-4-isoxazolyl]propionamide

HRID 1794379
Notes
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Reaction equation

HRID 1794379 reaction equation
[CH3:1][O:2][C:3]1[CH:4]=[C:5]([CH:9]([NH2:11])[CH3:10])[CH:6]=[CH:7][CH:8]=1.[Cl:12][C:13]1[CH:18]=[CH:17][C:16]([C:19]2[O:23][N:22]=[CH:21][C:20]=2[CH2:24][CH2:25][C:26](O)=[O:27])=[CH:15][CH:14]=1.O.ON1C2C=CC=CC=2N=N1.Cl.C(N=C=NCCCN(C)C)C>O.CN(C)C=O>[CH3:1][O:2][C:3]1[CH:4]=[C:5]([CH:9]([NH:11][C:26](=[O:27])[CH2:25][CH2:24][C:20]2[CH:21]=[N:22][O:23][C:19]=2[C:16]2[CH:17]=[CH:18][C:13]([Cl:12])=[CH:14][CH:15]=2)[CH3:10])[CH:6]=[CH:7][CH:8]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

7

Reactant 4

HCID 27239391,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochlorideHCID 27960291-Hydroxybenzotriazole hydrateHCID 46120581-(3-Methoxyphenyl)ethanamineHCID 222212913-(5-(4-Chlorophenyl)-4-isoxazolyl]propionic acid

Product 1

HCID 22221399N-[1-(3-methoxyphenyl)ethyl]-3-[5-(4-chlorophenyl)-4-isoxazolyl]propionamide
Yield 88.6%

Reagents, catalysts & solvents 2

HCID 962WaterSolventHCID 6228DimethylformamideSolvent

Procedure

A mixture of 1-(3-methoxyphenyl)ethylamine (0.32 g), 3-[5-(4-chlorophenyl)-4-isoxazolyl]propionic acid (0.45 g), 1-hydroxy-1H-1,2,3-benzotriazole hydrate (0.33 g), 1-ethyl-3-(3-dimethylaminopropyl)carbodiimide hydrochloride (0.40 g) and N,N-dimethylformamide (15 ml) was stirred at room temperature overnight. The reaction mixture was poured into water and the mixture was extracted with ethyl acetate. The ethyl acetate layer was washed with dilute hydrochloric acid, saturated aqueous sodium hydrogencarbonate and then saturated brine, dried (MgSO4) and concentrated. The residue was subjected to silica gel column chromatography, and N-[1-(3-methoxyphenyl)ethyl]-3-[5-(4-chlorophenyl)-4-isoxazolyl]propionamide (0.61 g, yield 88%) was obtained as colorless crystals from a fraction eluted with ethyl acetate-hexane (1:1, volume ratio). The crystals were recrystallized from ethyl acetate-hexane. melting point: 89–90° C.

Workup

  1. extractionthe mixture was extracted with ethyl acetate
  2. washThe ethyl acetate layer was washed with dilute hydrochloric acid, saturated aqueous sodium hydrogencarbonate
  3. dry with materialsaturated brine, dried (MgSO4)
  4. concentrationconcentrated

Sources & evidence

ORD record
ord-eb2f53762b0b40639cf6f852da447d64
Source dataset
uspto-grants-2006_04
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07022725B2

Reaction notes

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