Structures of cathedulin alkaloids from Catha edulis(khat) of kenyan and Ethiopian origin
Abstract
The structures of cathedulins K-1, K-2, K-6, K-12, and K-15, isolated from Kenyan khat, are formulated as (4), (3), (5), (8), and (6) respectively; cathedulin E-3 (Ethiopian khat) is formulated as (7) and E-4, E-5, and E-6 can be treated similarly.