Squamocin, a new cytotoxic bis-tetrahydrofuran containing acetogenin from Annona squamosa.

Abstract

Squamocin, a new trihydroxy-bis-tetrahydrofuran fatty acid γ-lactone (acetogenin), has been isolated from Annona squamosa L.(Annonaceae) and its structure has been elucidated on the basis of spectral evidence and chemical degradations.