PROCESS FOR PREPARING CIN-OLINE DERIVATIVES

摘要

Cinnolin-3-yl carboxylic acids and esters, amides and like derivatives, processes for the preparation of these compounds, and pharmaceutical compositions comprising any one of these compounds. A representative compound is ethyl 6-ethylcinnolin-3-yl carboxylate. The compounds are active as inhibitors of effects following the combination of reagin-like antibodies and their antigens.