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Encyclopedia Britannica - Main :: ECG-EMS |
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ECGONINE , in chemistry , C9H15NO3, a cycloheptane derivative with a nitrogen bridge
alcohol
caustic
tropine
phosphorus pentachloride 'is converted into anhydroecgonine, C9H13NO2, which, when heated to 28o C. with hydrochloric acid, splits out carbon dioxide and yields tropidine, C8H13N. Anhydroecgonine melts at 235 C., and has an acid and a basic character . It is an unsaturated compound, and on oxidation with potassium permanganate gives succinic acid. It is apparently a tropidine monocarboxylic acid, for on exhaustive methylation it yields cycloheptatriene-1.3.5-carboxylic acid-7.Sodium in amyl alcohol
ring in these compounds is shown by the production of suberone by the exhaustive methylation, &c., of hydroecgonidine ethyl
TROPINE
CH;.CHCI H COON CH2CHCH'COOH CH2CHC H'COOH N'CH3 CH'OH NCH3 (H NCH3 CI H2 CH2CHc1I2 CH2CH---CH CH2CHCH2 Ecgonine Anhydroecgonine Hydroecgonidine End of Article: ECGONINE If you wish, you can link directly to this article.
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