360 PRACTICAL ORGANIC AND BIO-CHEMISTRY 



Narcotine yields cotarnine and meconin on hydrolysis : 

 CHsO CHOH 



CH 



Cotarnine. 



Meconin. 



-co ^ 



N(CH 3 ) 2 HOOCf > 



CH 



Narceine. 



looclj 



OCH 



Berberine. C 20 H 19 O 3 N. 



Berberine is an alkaloid found in Berberis vulgaris and in other 1 plants. 

 It has a still more complicated structure : 



)-CH 2 



The details of the determination of the structure of the alkaloids can be found 

 in the special books dealing with alkaloids. 



