Constituents of Solidago Species. Part IV. Solidagoic Acids A and B, Diterpenoids from Solidago gigantea var. serotina

Abstract

Solidagoic acids A and B, two new diterpenoids from Solidago gigantea Ait. var. serotina (Kuntze) Cronqu., are formulated (absolute configuration tentative) as 1a and b on the basis of chemical, spectroscopic, and optical evidence.