supported by the National Natural Sciences Foundation of China(No.20021001,20372029 and 20475057).
Two new eremophilane sesquiterpene lactones, 1β-angeloyloxy-6β, 10β-dihydroxy-8β- methoxyeremophila-7(ll)en-8α,12-olide and 1β-angeloyloxy-6β,10α-dihydroxy-8α-methoxyeremo- phila-7( 11)en-8β, 12-olide we...
supported by the Foundation for the"Bairen Jihua"of Chinese Academy of Sciences(CAS)in 2000;the National Natural Science Foundation of China(NNSFC 20021001,20372029,20475057).
A novel dimeric eremophilane, ligulolide B, was isolated from the alcoholic extract of the whole plant of Ligularia virgaurea spp. oligocephala. The structure was elucidated by various spectroscopic methods including ...
supported by Foundation of“Bairen Jihua”of CAS in 2000;NNSFC(No.20372029 and 20475057).
Two novel epimeric eremophilane sesquiterpenes, 7β-H-3α-angeloyl-9(10)-ene-11, 12-epoxy-8-oxoeremophilane (1) and 7β-H-3α-angeloyl-9(10)-ene-11, 12-epoxy-8-oxoeremophi- lane (2) were isolated from the methanol ext...