Reaction Steps
The named compound was synthesised from 3-(4-chloro-phenyl)-2-[1-(4-chloro-phenyl)-ethyl]-3-hydroxy-2,3-dihydro-isoindol-1-one (498 mg, 1.37 mmol, 1 equiv.) and 1,4-butanediol (616 mg, 6.85 mmol, 5 equiv.) using General Procedure B and obtained as a clear oil (304 mg, 64%). 1H NMR (300 MHz, CDCl3): 7.87-7.84 (m, 1H, C(O)═C═CH), 7.53-7.46 (m, 2H, Ar—H), 7.07-7.00 (m, 9H, Ar—H), 4.41 (q, J=7.2 Hz, 1H, N—CH), 3.70 (m, 2H, HO—CH2), 3.31-3.24 and 3.02-2.95 (m, 2H, OCH2), 1.86 (d, J=7.2 Hz, 3H, CH3), 1.76-1.66 (m, 4H, CH2). 13C NMR (75 MHz, CDCl3): 168.32, 145.27, 141.48, 137.77, 134.80, 133.15, 133.06, 132.84, 130.20, 129.67, 128.74, 128.41, 123.72, 123.27, 95.45, 63.36, 62.88, 52.49, 29.96, 26.48, 20.08. m/z (ES): 470 [M+H]+. Anal.: calc. for C26H25Cl2NO3+0.3 H2O: C, 65.62; H, 5.43; N, 2.94. Found: C, 65.58; H, 5.77; N, 2.45.
