1,1'-Carbonyldiimidazole → HCID 66752059, compound

Participants

Reaction Steps

From acid 18s with a reflux time of 48 h and a recharge with an equal amount of CDI after 24 h, and obtained as a yellow solid (81%), mp 113-114° C. (from acetonitrile). 1H NMR (CDCl3): δ 2.26 [s, 6H, N(CH3)2], 2.58 (t, J=6.5 Hz, 2H, CH2CH2NMe2), 2.77 (s, 3H, ArCH3), 3.01 (m, 2H, CH2CH2Ph), 3.67 (q, J=6.1 Hz, 2H, CH2CH2NMe2), 3.79 (s, 6H, 2×OCH3), 4.22 (m, 2H, CH2CH2Ph), 6.72-6.75 (m, 3H, H-2′, H-5′ and H-6′), 7.41 (t, J=7.6 Hz, 1H, H-8), 7.64 (d, J=6.8 Hz, 1H, H-7), 7.77 (d, J=8.2 Hz, 1H, H-9), 8.51 (s, 1H, H-3), 9.15 (s, 1H, H-10), 10.83 (br t, J=5.3 Hz, 1H, CONH).

Provenance & Evidence