Ingenol type diterpenes

Ingenol Type Diterpenes from Euphorbia lathyris... 

The major stmctural types known are the phorbol esters [e.g., a tigliane from Sapium japonicum (17)] Croton, Sap-ium, Aleurites, Mancinella, Baliospermum, and Euphorbia), ingenol esters [e.g., ingenane (18)] Euphorbia), and daph-nanes [e.g., daphnetoxin (19)] Euphorbia, Hura, Hip-pomane, Excoecaria, Baliospermum, Thymelaeaceae) (Fig. 22.7) most of the plants that contain these diterpenes are in subfamilies Crotonoideae and Euphorbioideae (Kinghom, 1979 Webster, 1975). 

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