Page 49 - phytochemistry II -pharmD general
P. 49
Alkaloids of Opium phenylethylamine structure
Narceine
O Me
N
O
MeO Me
C=O
COOH
OMe
OMe
• It is optically inactive, weakly basic
• Narceine contains carboxylic group, so it is
➢ Soluble in alkali hydroxides
➢ Forms esters with alcohol.
Opium alkaloids of the phenanthrene group
• This group includes mainly morphine, codeine and thebaine.
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