ethonam ethonam ethonam is an antifungal agent. ethonamidentifiers iupac name ethyl 3-(1,2,3,4-tetrahydronaphthalen-1-yl)imidazole-4-carboxylate cas number15037-44-2 ypubchem cid27007chemspider49010uniig84p716z93keggd04085chemblchembl25148chemical and physical dataformulac16h18n2o2molar mass270.332 g·mol−1 (verify) synthesis ethonam synthesis: 2-aminotetralin () is alkylated with ethylchloroacetate to afford the glycine derivative. heating with formic acid then affords the amide (2). this compound is then reacted with ethyl formate to yield hydroxymethylene ester (3). rxn with isothiocyanic acid gives the imidazole-2-thiol (5). desulfurization by means raney-nickel finishes the synthesis of ethnonam (6).