Seven new amide (III-IX) derivatives of 6α,7β-di-hydroxyvouacapan-17β-oic acid I (ADV) have been synthesized. Their structures were established by spectroscopic data, including 2D-NMR methods.
6a; 7b-di-hydroxyvouacapan-17b-oic acid; furane-diterpene; amide; 1H- and 13C-NMR