Cyclocuneatol and Cuneatannin, New Cycloartane Triterpenoid and Ellagitannin Glycoside from Euphorbia cuneata

Phytochemical investigation of the aerial parts of Euphorbia cuneata Vahl. (Euphorbiaceae) revealed new cycloartane triterpenoid, cyclocuneatol ( 2 ) and new ellagitannin glycoside, cuneatannin ( 11 ), along with nine known metabolites: β‐sitosterol ( 1 ), 3β‐hydroxycycloart‐25‐ene‐24‐one ( 3 ), cycloart‐25‐ene‐3β,24β‐diol ( 4 ), cycloart‐23 Z ‐ene‐3β,25‐diol ( 5 ), 2 R ‐naringenin ( 6 ), β‐sitosterol‐3‐ O ‐β‐D‐glucopyranoside ( 7 ), quercetin (...