Four diterpenoid alkaloids, two of them being the known compounds lycoctoni
ne and ajaconine, were isolated from the aerial parts of Consolida hohenack
eri. The two new compounds were C-19 alkaloids, hoheconsoline and consolini
ne. The structures of the compounds were elucidated by I-D and 2-D NMR tech
niques. (C) 1999 Elsevier Science Ltd. All rights reserved.