Cesium carbonate → 2'-Fluoro-4'-methyl-5-tetrazol-1-yl-biphenyl-3-carboxylic acid (1-furan-2-yl-ethyl)-amide

HRID 84740Notes

Reaction equation

[O:1]1[CH:5]=[CH:4][CH:3]=[C:2]1[CH:6]([NH:8][C:9](=[O:22])[C:10]1[CH:15]=[C:14]([N:16]2[CH:20]=[N:19][N:18]=[N:17]2)[CH:13]=[C:12](I)[CH:11]=1)[CH3:7].[F:23][C:24]1[CH:29]=[C:28]([CH3:30])[CH:27]=[CH:26][C:25]=1B(O)O.C([O-])([O-])=O.[Cs+].[Cs+]>C1(C)C=CC=CC=1.C1COCC1.C1C=CC([P]([Pd]([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)[P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1>[O:1]1[CH:5]=[CH:4][CH:3]=[C:2]1[CH:6]([NH:8][C:9]([C:10]1[CH:11]=[C:12]([C:25]2[CH:26]=[CH:27][C:28]([CH3:30])=[CH:29][C:24]=2[F:23])[CH:13]=[C:14]([N:16]2[CH:20]=[N:19][N:18]=[N:17]2)[CH:15]=1)=[O:22])[CH3:7]

Participants

Conditions

Temperature: 130 °C

Procedure

A mixture of N-(1-Furan-2-yl-ethyl)-3-iodo-5-tetrazol-1-yl-benzamide (60 mg, 0.146 mmol), 2-fluoro-4-methyl-phenylboronic acid (27.1 mg, 0.176 mmol), Cs2CO3 (0.35 mL, 0.5 N, 0.176 mmol) and Pd(Ph3P)4 (8.5 mg, 0.00735 mmol) in toluene (1.5 mL) and THF (1.5 mL) was stirred under microwave heating for 30 minutes at 130° C. After reaction mixture was cooled down, the solvent was removed under vacuum and the residue was purified by column chromatography (hexane/EtOAc=1:2) to afford 2′-Fluoro-4′-methyl-5-tetrazol-1-yl-biphenyl-3-carboxylic acid (1-furan-2-yl-ethyl)-amide as a white solid (57 mg, 98%). MS (M+H)=392.

Workup

customAfter reaction mixture
temperaturewas cooled down
customthe solvent was removed under vacuum
customthe residue was purified by column chromatography (hexane/EtOAc=1:2)

Sources & evidence

ORD record: ord-c16720d91b8f4f88ba786e9269928f62
Source dataset: uspto-grants-2014_09
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US08846945B2

Reaction notes

Loading…