
TY  - JOUR
A1  - Culvenor, CCJ 
A1  - Edgar, JA 
A1  - Frahn, JL 
A1  - Smith, LW 
T1  - The alkaloids of <I>Symphytum &#215; uplandicum</I> (Russian comfrey)
JF  - Australian Journal of Chemistry
JO  - Aust. J. Chem.
Y1  - 1980
VL  - 33
IS  - 5
SP  - 1105
EP  - 1113
KW  - 
UR  - https://doi.org/10.1071/CH9801105 
N2  - Eight pyrrolizidine alkaloids have been identified in the leaves of Symphytum &#215; uplandicum Nyman (Russian comfrey). They are echimidine (1), symphytine (2), lycopsamine (3), intermedine (4) and four new alkaloids, 7-acetyllycopsamine (5), 7-acetylintermedine (6), symlandine (7)(7-angelyl-9-viridiflorylretronecine) and uplandicine (8) (7-acetyl- 9-echimidinylretronecine). 
ER  -

