Reaktionsschritte
The named compound was synthesised from 3-(4-Chlorophenyl)-3-hydroxy-2-(4-nitrobenzyl)-2,3-dihydroisoindol-1-one (400 mg, 1.01 mmol, 1 equiv.) and butynediol (435 mg, 5.05 mmol, 5 equiv.) using General Procedure A and obtained as a yellow solid (271 mg, 58%). 1H NMR (300 MHz, CDCl3): 8.05-7.93 (m, 3H, O2N—C—CH and C(O)═C═CH), 7.61-7.54 (m, 2H, Ar—H), 7.36-7.33 (m, 2H, Ar—H), 7.24-7.16 (m, 5H, Ar—H), 4.60 and 4.52 (d: AB, J=15.0 Hz, 2H, N—CH2), 4.20-4.18 (m, 2H, HO—CH2), 3.83 and 3.52 (dt: AB, J=1.8, 15.3 Hz, 2H, O—CH2), 2.42 (t, J=6.0 Hz, 1H, OH). 13C NMR (75 MHz, CDCl3): 169.24, 148.20, 145.18, 137.24, 135.88, 133.78, 132.49, 131.29, 130.78, 129.43, 128.79, 124.81, 124.43, 124.14, 95.88, 86.01, 81.28, 54.04, 52.97, 51.55, 43.60. m/z (ES): 463 [M+H]+. Anal.: calc. for C25H19ClN2O5+0.2 H2O: C, 64.36; H, 4.20; N, 6.01. Found: C, 64.11; H, 3.72; N, 5.53.
