Abstract: | Two new compounds,senarguines A and B,were isolated from Senecio argunensis.They were respectively identified as (Z)-3-ethylidene-9-hydroxyl-9-methyl-6,7-dioxaspiro 4.4]nonane-5,8--dione (1) and 3,6,6-trimethyl 6,7,8-tetrahydronaphtha-1,2b]furan (2) on the basis of spectral data. |