Hydrazine hydrate (1:1) → HCID 21064953, compound

Participants

Reaction Conditions

Reaction Steps

To a solution of 32.3 g of 1-chloro-4-methyl-9,10-dihydro-9,10-anthracenedione prepared in Example 25-a in 150 ml pyridine was added 15 ml of hydrazine monohydrate [CAS No. 7803-57-8], followed by stirring at 90° C. overnight. After removing the solvent, to the resulting residue was added 65 ml of ethanol to give crystals. The crystals were collected by filtration, sequentially washed with moisture ethanol and ethanol, and dried in vacuo, to give 26.6 g of the title compound as ocher yellow needles.

Provenance & Evidence