6-(3-(1H-imidazol-1-yl)propyl)-9-hydroxy-4-phenylpyrrolo[3,4-c]carbazole-1,3(2H,6H)-dione → 3-(4-(2-Chloro-6-methoxyphenyl)-9-hydroxy-1,3-dioxo-2,3-dihydropyrrolo[3,4-c]carbazol-6 (1h)-yl)-n-[2-(dimethylamino)ethyl]propanamide

Participants

Reaction Steps

Reaction of methyl ether (252) prepared as described in example 212 (80 mg, 0.15 mmol) according to The procedure described in example 80, except that the reaction was performed at 0° C. for 2 hours and chromatography was performed eluting with ethyl acetate/methanol/triethylamine (1:0:0 to 3:1:trace), gave amide (260) (65 mg, 83%) as a yellow/orange powder, mp 200–205° C. 1H NMR δ [(CD3)2SO] 11.00 (br s, 1H), 9.34 (s, 1H), 8.36 (d, J=2.4 Hz, 1H), 7.87 (br s, 1H), 7.66 (s, 1H), 7.54 (d, J=8.9 Hz, 1H), 7.44 (t, J=8.2 Hz, 1H), 7.18 (dd, J=8.2, 0.7 Hz, 1H), 7.12 (m, 2H), 4.64 (t, J=6.6 Hz, 2H), 3.68 (s, 3H), 3.05 (m, 2H), 2.56 (t, J=6.6 Hz, 2H), 2.23 (v br s, 2H), 2.15 (br s, 6H). Found: C, 58.98; H, 5.12; N, 9.59. C28H27ClN4O5.2H2O requires: C, 58.90; H, 5.47; N, 9.81.

Provenance & Evidence