Hydrochloric Acid → HCID 67842554, compound

Participants

Reaction Steps

To a solution of the ester (D28) (0.53 g, 3.6 mM) in ethanol (20 ml) was added 4-nitrophenylhydrazine (0.56 g, 3.6 mM) and the suspension stirred for 0.5 h. Concentrated hydrochloric acid (2 ml) was added to give a brown solution. After stirring for 0.5 h the solution was cooled in ice and the precipitated title compound filtered off (0.72 g; 69%).

Provenance & Evidence