250 



ALKALOIDS 



6 5 



"^^i^OCCH-Q 



CH2 

 OH 



rs 31 



U , a 



•Ii ^ C H2C H2C H 2 

 H 



CHjO 



atropine (DL-hyoscyamine) 



3' 3 



comine 



V^CH2CH3 



CH3O , 



CH=CH2 



quinine 



OCH, 



emetine 



morphine 



21 reserpme 



n /==\ 



CHoOOC'^v"OC^ /0CH3 



OCH. 



OCH. 



C^s^ 



strychnine 



FIGURE 12-1: STRUCTURES AND NUMBERING 

 FOR SOME WELL-KNOWN ALKALOIDS 



