Download full text in PDF Opens in a new window. Article suggestions will be shown in a dialog on return to ScienceDirect. ... Please enable JavaScript to use all the features on this page. ... Cephalotaxine (1) and its analogue (3) were stereoselectively synthesized from proline via the pyrrolobenzazepine (4) through Claisen rearrangement, cationic cyclization, and regio- and stereo-selective hydroxylation. ... Cephalotaxine (1) and its analogue (2) were ...
![(1S*,3aS*,14bS*)-1,2,3,5,6,8,9,14b-octahydro-1-hydroxy-2,2-dimethoxy-4H-cyclopenta[a]-1,3-dioxolo[4,5-h]pyrrolo[2,1-b][3]benzazepin-8-one结构式](https://image.chemsrc.com/caspic/187/107672-48-0.png)
![(1S*,3aS*,14bS*)-1,2,3,5,6,8,9,14b-octahydro-1-hydroxy-2,2-dimethoxy-4H-cyclopenta[a]-1,3-dioxolo[4,5-h]pyrrolo[2,1-b][3]benzazepine结构式](https://image.chemsrc.com/caspic/149/107672-49-1.png)
![(3aS*,14bS*)-1,2,3,5,6,8,9,14b-octahydro-4H-cyclopenta[a]-1,3-dioxolo[4,5-h]pyrrolo[2,1-b][3]benzazepin-2,8-dione结构式](https://image.chemsrc.com/caspic/235/107672-47-9.png)