Benzylamine → Methyl 4-(benzylamino)-2-(4-fluoroanilino)benzoate

HRID 2191684Notes

Reaction equation

[F:1][C:2]1[CH:19]=[CH:18][C:5]([NH:6][C:7]2[CH:16]=[C:15](I)[CH:14]=[CH:13][C:8]=2[C:9]([O:11][CH3:12])=[O:10])=[CH:4][CH:3]=1.[CH2:20]([NH2:27])[C:21]1[CH:26]=[CH:25][CH:24]=[CH:23][CH:22]=1.C1(P(C2C=CC=CC=2)C2C=CC3C(=CC=CC=3)C=2C2C3C(=CC=CC=3)C=CC=2P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1.CC(C)([O-])C.[Na+]>C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.[Pd].[Pd].C(O)(=O)C.C1(C)C=CC=CC=1>[CH2:20]([NH:27][C:15]1[CH:14]=[CH:13][C:8]([C:9]([O:11][CH3:12])=[O:10])=[C:7]([NH:6][C:5]2[CH:18]=[CH:19][C:2]([F:1])=[CH:3][CH:4]=2)[CH:16]=1)[C:21]1[CH:26]=[CH:25][CH:24]=[CH:23][CH:22]=1

Participants

Conditions

Temperature: 80 °C

Procedure

To toluene 3.0 mL solution of methyl 2-(4-fluoroanilino)-4-iodobenzoate 0.30 g were added benzylamine 0.13 mL, rac-2,2′-bis(diphenylphosphino)-1,1′-binaphthyl 0.050 g, tris(dibenzylideneacetone)dipalladium(0) 0.022 g and sodium tert-butoxide 0.093 g at room temperature, and it was stirred under nitrogen atmosphere at 80° C. for 1 hour. After the reaction mixture was cooled to room temperature, acetic acid 1.0 mL was added to it, and the solvent was removed under reduced pressure. The obtained residue was refined by silica gel column chromatography [eluent; hexane:ethyl acetate=5:1] to give methyl 4-(benzylamino)-2-(4-fluoroanilino)benzoate 0.24 g of brown oil.

Workup

temperatureAfter the reaction mixture was cooled to room temperature
customthe solvent was removed under reduced pressure

Sources & evidence

ORD record: ord-ec1fe47e645c4442a1ac0d67f199fabd
Source dataset: uspto-grants-2012_12
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US08327467B2

Reaction notes

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