Structure of the product of the reaction of 6-dehydroeldelidine with sodium in liquid ammonia

Diterpenoid alkaloids

“…78 The structure (1 34) was confirmed by X-ray analysis. 79 The reaction with 6dehydrodelcorine (1 36) resulted in delcorine (1 37) and products (1 38), (1 39), and ( 140).78 It is worth noting that so far only one method for passing from lycoctonine to aconitine alkaloids has been described in the literature.,O Features of fragmentation of the derived compounds under electron impact were…”