N**FORMYLANATABINE* AND FLAVOR IMPROVER FOR TOBACCO COMPRISING IT

摘要

NEW MATERIAL:N'-Formylanatabine of the formula. USE:A flavor improver for tobacco, which is a colorless oily substance and has a green flavor with an amine odor. The improver is added to a material for manu- facturing tobacco, e.g. rolled paper for ciganettes or filters for filter cigarettes, in an amount of about 0.00001-0.01% (w/w), preferably 0,00002-0,0005%, based on the final tobacco. PROCESS:1,1'-Carbonyldiimidazole is reacted with formic acid to give N'-formylimidazole, which is reacted with anatabine to afford N'-formylanatabine.