The methanol extract of aerial parts of Salvia splendens afforded thre
e new diterpenes: 15,16-epoxy-1 ta-hydroxy-trans-cleroda-2,13(16),14-t
rieno-12,17; 19,18-diolide: 15,16-epoxy-11 ta-acetoxy-trans-cleroda-2,
13(16),14-trieno-12,17: 19,18-diolide and 1 beta,11 acetoxy-15-hydroxy
-trans-cleroda-2,13-dieno-12,17; 15,16; 19,18-triolide named splenolid
e A, B and C. Their structures were established on the basis of spectr
oscopic studies. (C) 1997 Elsevier Science Ltd.