Chloroacetyl chloride → N'-(2-chloroacetyl)-3-cyanobenzohydrazide

Participants

Reaction Conditions

Reaction Steps

3-cyanobenzohydrazide (1.6 g, 10.0 mmol) was added to THF (40 ml) and DMF (10 ml). TEA (1.4 ml, 10.0 mmol) was added at 0° C. followed by chloroacetyl chloride (1.0 ml, 12.6 mmol) and the reaction mixture was stirred at 0° C. for 1 h and at rt for 2 h. The THF was evaporated, water was added to the remaining mixture, followed by filtratation over celite and purification with prep. HPLC to give the title compound (1.6 g, 69%). 1H NMR (DMSO-d6): 10.62 (br s, 2 H), 8.28 (m, 1 H), 8.18 (m, 1 H), 8.08 (m, 1 H), 7.75 (t, 1 H), 4.22 (s, 2 H).

Provenance & Evidence