[CH:1]([O:4][C:5](=[O:14])[C:6]1[CH:11]=[CH:10][CH:9]=[C:8]([C:12]#[CH:13])[CH:7]=1)([CH3:3])[CH3:2].[CH2:15]([O:17][C:18](=[O:28])[CH2:19][C:20]1[CH:25]=[CH:24][C:23](I)=[CH:22][C:21]=1[F:27])[CH3:16].C(N(CC)CC)C.C(OCC)(=O)C>CCCCCC.[Cu]I.Cl[Pd](Cl)([P](C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1)[P](C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1>[CH:1]([O:4][C:5](=[O:14])[C:6]1[CH:11]=[CH:10][CH:9]=[C:8]([C:12]#[C:13][C:23]2[CH:24]=[CH:25][C:20]([CH2:19][C:18]([O:17][CH2:15][CH3:16])=[O:28])=[C:21]([F:27])[CH:22]=2)[CH:7]=1)([CH3:3])[CH3:2]Following General Procedure B and using 3-ethynyl-benzoic acid isopropyl ester (Intermediate 137, 0.099 g, 0.53 mmol), 2-fluoro-4-iodo phenyl acetic acid ethyl ester (0.164 g, 0.53 mmol), triethyl amine (3 mL), copper(I)iodide (0.01 g, 0.05 mmol) and dichlorobis(triphenylphosphine)palladium(II) (0.035 g, 0.5 mmol) followed by flash column chromatography over silica gel (230–400 mesh) using 7–10% ethyl acetate in hexane as the eluent, the title compound was obtained as a light orange oil (0.08 g, 92%).
Wird geladen…