Diterpenoid Alkaloids from Aconitum racemulosum Franch var. pengzhouense

A new diterpenoid alkaloid, racemulodine (1), was isolated from the whole plants of Aconitum racemulosum Franch var. pengzhounense.

Modifications of Norditerpenoid Alkaloids:Ⅲ. Preparation of 7 ,17-seco Yunnaconitine Derivatives via Rearrangement of Chloroamine

Preparation of both 7. 17-seco yunnaconitine derivatives 6 starting from yunnaconitine 3via rearrangement of choroamine 5 is described.