[F:1][C:2]1[CH:3]=[C:4]([CH2:8][CH2:9][CH2:10][NH2:11])[CH:5]=[CH:6][CH:7]=1.C[O:13][C:14](=O)[C:15]1[CH:20]=[CH:19][CH:18]=[CH:17][C:16]=1[CH2:21]Br.C([O-])([O-])=O.[K+].[K+].C(OCC)(=O)C>C1(C)C=CC=CC=1>[F:1][C:2]1[CH:3]=[C:4]([CH2:8][CH2:9][CH2:10][N:11]2[CH2:21][C:16]3[C:15](=[CH:20][CH:19]=[CH:18][CH:17]=3)[C:14]2=[O:13])[CH:5]=[CH:6][CH:7]=1A mixture of 3-(3-fluorophenyl)-propylamine (306 mg, 2 mmol), 2-bromomethyl-benzoic acid methyl ester (458 mg, 2 mmol), and K2CO3 (200 mg, 1.45 mmol) in toluene (10 mL) was heated with stirring at 100° C. for 16 h. Workup and silica gel column chromatography using a gradient of hexanes to 50% ethyl acetate in hexanes afforded 2-[3-(3-fluorophenyl)-propyl]-2,3-dihydroisoindol-1-one (391 mg, 73%). GC/MS gave: m/z (rel.int.) 269 (M+, 32), 147 (100), 146 (100), 119 (37), 109 (26) and 91 (45).
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