Terpenoids from Guarea guidonia

Author(s): Joao HGL, Brochini CB, Nidia FR


The volatile oil and the methanol extract from the leaves of Guarea guidonia, Meliaceae, were individually submitted to chromatographic separation. A sesquiterpene (2S*)-eudesma-5,7-dien-2-ol, together with six known ones, were isolated from the volatile oil. The methanolic extract afforded two known and two new triterpenes (23S*)-cycloart-24-ene-3 beta,23-diol and (23R*)-cycloart-24-ene-3 beta,23-diol, besides three known sesquiterpenes, one known diterpene and two steroids. Their structures were established on the basis of spectrocopic data, mainly by 1H and 13C NMR spectroscopic analyses.

Similar Articles

Flora costaricensis

Author(s): Burger W, Barringer Kerry Alan, Gentry, Alwyn H, Gómez P, Luis D

Antiproliferative and antioxidant constituents from Tecoma stans

Author(s): Marzouk M, Gamal El-Deen A, Mohamed M, El-Sayed M

Triterpenoids from the flower of Campsis grandiflora K

Author(s): Kim DH, Han KM, Chung IS, Kim SH, Kwon BM, et al.

Flavonoid glycosides and pharmacological activity of Amphilophium paniculatum

Author(s): Nassar MI, Abutabl EA, Eskander DM, Grace M, El-Khrisy EAM, et al.

Eudesmane derivatives from Iva frutescens

Author(s): Ahmed AA, Balboul BA, Scott AI, Williams HH, Miao B, et al.