Hydrazine hydrate (1:1) → HCID 69656230, compound

Participants

Reaction Steps

To a solution of the compound obtained in Step 5 (400 mg) in ethanol (8 ml) was added hydrazine monohydrate (0.38 ml) under cooling with ice. The mixture was stirred overnight at room temperature. The reaction mixture was concentrated and the resulting residue was purified by silica gel chromatography (eluent; methylene chloride:methanol=50:1–25:1) to obtain the title compound (329 mg).

Provenance & Evidence