Hydrazine → HCID 86681365, compound

Participants

Reaction Steps

Synthesized according to General Procedure C: 6{25} (5.74 g, 18.4 mmol, 1 equiv.), anhydrous hydrazine (1.7 mL, 55.2 mmol, 3 equiv.), ethanol (37.2 mL). Purification by silica gel column chromatography (4:1 EtOAc:MeOH) afforded 1{25} (4.49 g, 82%) as a white solid. 1H-NMR (500 MHz, CDCl3): δ 8.17 (br s, 1H), 7.82-7.78 (m, 3H), 7.71 (s, 1H), 7.47-7.42 (m, 3H), 3.86 (br s, 2H), 3.64 (s, 2H), 3.06 (s, 2H), 2.53 (br s, 8H). 13C-NMR (125 MHz, CDCl3): δ 170.4, 135.4, 133.1, 132.6, 127.8, 127.5, 127.5, 127.2, 125.9, 125.5, 62.9, 60.5, 53.5, 53.0.

Provenance & Evidence