Quinolizidines. XVII. A new access to 9, 10-dimethoxy-and 8-hydroxy-9, 10-dimethoxybenzo (a) quinolizidine-type Alangium alkaloids from 3-acetylpyridine.

~%

~%

~93%

~%

~%

~%

~82%

~84%

~%

~%

~%

~%

~%

~%

~%

~%

~%

~%

~81%

~82%

~79%