Page 77 - Pharmd general phytochemistry I-Final2024_LEUCTERS
P. 77
II- Hetero-Dianthrones:
Sennidin C and Sennidin D (Genin), is formed of rhein anthrones and
aloe-emodin anthrones moieties, condensed through the C-10 atoms.
they are optical isomers.
Their respective glycosides,
Sennoside C and Sennoside D
They are the 8,8'-diglucosides of these isomeric genins.
R = CH OH R = CH OH
2 2
Sennidin C Sennidin D
75
