Hydrazine hydrate (1:1) → HCID 178426518, compound

Participants

Reaction Steps

To 1 g of compound of Example 24 dissolved in 30 ml of ethanol is added 0.6 ml of hydrazine monohydrate and the mixture is left stirring for 30 minutes at room temperature. The reaction medium is then poured into ice-water. It is stirred vigorously for 20 minutes. The mixture is filtered and dried and the residue is recrystallized from isopropyl ether.

Provenance & Evidence