抄録
The absolute configuration of C_1-methoxyl group on aconitines (e.g., aconitine, mesaconitine, hypaconitine, neoline and chasmanine etc,) have been confirmed by the method of X-ray analyses. It is well known that alkaloids having allylic alcohol or ether moiety are susceptible to hydrogenolysis on some catalytic hydrogenations. On the basis of the character of metal catalyst, we reexamined the catalytic conversions of aconitine into deoxyaconitine, mesaconitine into hypaconitine (deoxymesaconitine), and jesaconitine into deoxyjesaconitine via the corresponding anhydro-type compounds. We attempted to convert delphinine into chasmanine, as we were able to isolate chasmanine and neoline from the roots of Aconitum sachalinense Fr. Schmidt.
