In order to search for new potent anti-cancer agents, a series of boswellic acid derivatives were designed and synthesized. Six of them were identified by IR, N
Two new acetylenic compounds were isolated from the roots of Asparagus gobicus.Their structures were elucidated by spectroscopic methods including 2D NMR techni
A Nd promoted-Rh catalysts supported on polymer-derived carbon beads for vapor-phase methanol carbonylation was developed. Rh-Nd bimetallic catalysts obviously