Psilostachyin B, a new sesquiterpene dilactone from Ambrosia psilostachya DC.
Tetrahedron
1966.0
Abstract
The structure of psilostachyin B, a new sesquiterpene dilactone from Ambrosia psilostachya DC., is shown to be VI. The stereochemical features shown in XV are proposed for psilostachyin B.