RESUMO
A stable MOF, assigned PCN-105, with two types of mesoporous cages, has been prepared by using a new multidentate flexible ligand with amine functional groups, and PCN-105 exhibits a marked N(2), O(2), Ar and H(2) hysteretic behaviour.
RESUMO
The soft coral Sinularia microclavata collected from the bay of Sanya, Hainan Island, China, yielded a new diterpenoid, microclavatin (1), and a known cembranolide, capillolide (2). The structure of compound 1 was determined on the basis of spectroscopic methods and X-ray single-crystal diffraction analysis. Microclavatin (1) showed cytotoxic activities against tumor cell lines KB and MCF with IC50 values of 5.0 and 20.0 microg/mL, respectively, and capillolide (2) showed potent cytotoxic activity against tumor cell lines (A-549) with an IC50 value of 0.5 microg/mL.