Hydrazine → HCID 12690630, compound

Participants

Reaction Steps

A mixture of 4.0 g. of 5-hydroxy-dibenzo[a,d]cyclohepten-5-acetic acid ethyl ester and 8 ml. of anhydrous hydrazine is warmed with stirring at temperature of 80°-85° C. for 2 hours, and then allowed to stand at room temperature for 19 hours. The resulting mixture is evaporated to dryness in high vacuum at 100° C., the residue dissolved in hot ethanol, treated with charcoal and crystallized to obtain 5-hydroxy-dibenzo[a,d]cyclohepten-5-acetic acid hydrazide, m.p. 192°-194° C.

Provenance & Evidence