Author/Authors :
Pinto، نويسنده , , Shaft Corrêa and Leitمo، نويسنده , , Gilda Guimarمes and Bizzo، نويسنده , , Humberto Ribeiro and Martinez، نويسنده , , Natalia and Dellacassa، نويسنده , , Eduardo and dos Santos Jr.، نويسنده , , Fernando Martins and Costa، نويسنده , , Fabio Luiz Paranhos and Amorim، نويسنده , , Mauro Barbosa de and Leitمo، نويسنده , , Suzana Guimarمes، نويسنده ,
Abstract :
(−)-epi-Presilphiperfolan-1-ol, (1), a new triquinane sesquiterpene, was isolated from the essential oil of Anemia tomentosa var. anthriscifolia by column chromatography. Its structure elucidation was accomplished by extensive 1D- and 2D-NMR analyses, as well as by GC–MS, chiral bidimensional GC, dehydration reactions, and a comparative (GIAO/DFT) theoretical study of the 13C NMR chemical shifts of 1 and its known isomers (presilphiperfolan-1-ol (1a), presilphiperfolan-8-ol (3), and presilphiperfolan-9-ol (4)).
