Highly oxygenated guaianolides and eudesman-12-oic acids from Balsamorhiza sagittata and Balsamorhiza macrophylla.
Investigation of lipophilic exudates from the aerial parts of Balsamorhiza sagittata and B. macrophylla afforded three new highly oxygenated guaianolides (1-3), in addition to known guaianolides, germacranolide and eudesmane acids. Their chemical structures were elucidated by spectroscopic methods and the data for the compounds are reported in Tables 1 and 2 and in Experimental.
El-Hamd H Mohamed
Abou
A
Department of Chemistry, Aswan-Faculty of Science, South Valley University, Egypt.
Ahmed
Ahmed A
AA
Wollenweber
Eckhard
E
Bohm
Bruce
B
Asakawa
Yoshinori
Y
D019659:Asteraceae / Q000737:chemistry*; D002855:Chromatography, Thin Layer; D018360:Crystallography, X-Ray; D009682:Magnetic Resonance Spectroscopy; D008958:Models, Molecular; D008968:Molecular Conformation; D045787:Sesquiterpenes, Eudesmane / Q000737:chemistry* / Q000302:isolation & purification; D045789:Sesquiterpenes, Guaiane / Q000737:chemistry* / Q000302:isolation & purification; D021241:Spectrometry, Mass, Electrospray Ionization
D045787:Sesquiterpenes, Eudesmane; D045789:Sesquiterpenes, Guaiane