3,4-dihydroxy-α-aminoacetophenone hydrochloride

Noradrenalone Hydrochloride is an intermediate of Norepinephrine (N674500), an antagonist of dibutyryl cyclic AMP in the regulation of narcosis. Norepinephrine modulates human dendritic cell activation by altering cytokine release.

Preparation by demethylation of a-amino-3,4-dimethoxy-acetophenone on heating with 37% hydrochloric acid for 2.5 h at 160–165° under carbon dioxide (85%).