Eucalyptus camaldulensis: volatiles from immature flowers and high production of 1,8-cineole and beta-pinene by in vitro cultures.

Calli of Eucalyptus camaldulensis Dehn were induced, for the first time, from immature flowers and stamens and established in the presence of 2,4-D and BA, under dark and light conditions. Immature flowers, of the same type used for callus induction, were submitted to hydrodistillation while the induced calli were extracted with n-pentane. The constituents of the n-pentane extracts and of the hydrodistillate were identified by GC-MS.

Synthesis and characterization of a binuclear coumarin-3-carboxylate copper(II) complex.

The copper(II) complex of coumarin-3-carboxylic acid (CcaH) has been prepared and characterized on the basis of elemental and thermal analysis, IR, Raman, EPR, UV-Vis reflectance and 1H-NMR spectra. A detail analysis of all spectra data is presented with particular emphasis on the elucidation of the coordination mode of the ligand and the structure of the complex. All data are consistent with a binuclear structure for the complex with four coumarin-3-carboxylates as bridges and one water ligand per copper ion.