Description
This steroidal alkaloid, isolated from species of Schoenocaulon, is epimeric with
Cevine (q.v.). In highly concentrated solutions, the base exhibits a positive
Cotton effect and it has been shown that ring A exists in a twist form. In ethanol
solution, the alkaloid exists in the ketol form to the extent of 0.4-0.6 per cent.
Definition
ChEBI: A cyclic hemiketal that is cevane that has an oxygen bridge from the 4alpha to the 9 position and is substituted by hydroxy groups at the 3beta, 4beta, 12, 14, 16beta, 17, and 20 positions
References
Auterhoff, Ehrhardt., Arch. Pharm., 302, 748 (1969)
