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Benzoyl chloride → 6-[4-(2-Benzoylamino-ethyl)-phenoxy]-nicotinamide

HRID 228174
Notes
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Reaction equation

HRID 228174 reaction equation
[NH2:1][CH2:2][CH2:3][C:4]1[CH:19]=[CH:18][C:7]([O:8][C:9]2[CH:17]=[CH:16][C:12]([C:13]([NH2:15])=[O:14])=[CH:11][N:10]=2)=[CH:6][CH:5]=1.[C:20](Cl)(=[O:27])[C:21]1[CH:26]=[CH:25][CH:24]=[CH:23][CH:22]=1.CCN(CC)CC>C1COCC1.CN(C=O)C>[C:20]([NH:1][CH2:2][CH2:3][C:4]1[CH:19]=[CH:18][C:7]([O:8][C:9]2[CH:17]=[CH:16][C:12]([C:13]([NH2:15])=[O:14])=[CH:11][N:10]=2)=[CH:6][CH:5]=1)(=[O:27])[C:21]1[CH:26]=[CH:25][CH:24]=[CH:23][CH:22]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 3

HCID 7412Benzoyl chlorideHCID 8471TriethylamineHCID 597300176-[4-(2-Amino-ethyl)-phenoxy]-nicotinamide

Product 1

HCID 597300516-[4-(2-Benzoylamino-ethyl)-phenoxy]-nicotinamide

Reagents, catalysts & solvents 2

HCID 6228DimethylformamideSolvent
HCID 8028
Tetrahydrofuran
Solvent

Procedure

Combine amine starting material of Example 34 (100 mg, 0.39 mmol), benzoyl chloride (50 μL, 0.43 mmol) and Et3N (120 μL, 0.86 mmol) in THF (4 mL) and DMF (0.5 mL). Stir the mixture at room temperature for 3 hours. Eliminate the solvent and purify by flash chromatography on silica gel (eluent: EtOAc/hexane 75/25) to give the title compound. (90 mg, 65%). Electrospray MS M+1 ion=362, 1H-NMR (methanol-d4, 400 MHz): 8.62 (d, 1H, J=2.8 Hz), 8.24 (dd, 1H, J=2.8 and 9.0 Hz), 7.79-7.76 (m, 2H), 7.55-7.42 (m, 5H), 7.09-7.06 (m, 2H), 6.96 (d, 1H, J=9.0 Hz), 3.62 (t, 2H, J=7.3 Hz), 2.95 (t, 2H, J=7.3 Hz).

Workup

  1. customEliminate the solvent and purify by flash chromatography on silica gel (eluent: EtOAc/hexane 75/25)

Sources & evidence

ORD record
ord-4c8718eb6ac248d58ca33f1a4c5ff275
Source dataset
uspto-grants-2009_07
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07560463B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes