Highly oxygenated guaianolides from some compositae plants

Department of Chemistry, University of Rajasthan, Jaipur-302 004, India

Manuscript received 21 September 2001

The isolation of twenty new highly oxygenated guaianolides along with several known guaianolides from Vernonia arkansana (aerial parts and roots), Pseudostifftia kingii (aerial parts), Dicoma anomala (roots), Hypochoeris cretensis, Saussurea salicifolia, S. involucrata, S. candicans, Bishopantus soliceps and Blainvillea latifolia (aecrial parts) have been reviewed.