Selectivity in cycloadditions to vinylheterocumulenes. 2+2 and 4+2 Cycloadditions of N,N-diethylaminopropyne to vinylisocyanate and vinylisothiocyanate.

Vinyl isocyanate and vinyl isothiocyanate are studied in cycloadditions to heterocumulene

Hetero-Diels-Alder reaction with thiazolyl oxabutadiene-model studies toward the synthesis of directly linked C-disaccharides

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Heterodiene and heteroene activity of benzoyl isothiocyanate towards electron-rich alkynes. Synthesis and crystal structure of regioisomeric 1,3-oxazine-thiones

The reactions of the electron-rich alkyne N,N-diethylaminopropyne with three aroyl isothiocyanate and benzoyl isocyanate are described

Synthesis and solvent driven self-aggregation studies of meso-"C-glycoside"-porphyrin derivatives

New types of porphyrin derivatives bearing "C-glycoside" moieties, either in 5,10,15,20- or in 5,15-meso-positions, were prepared and fully characterized. The presence of the glycosidic groups imparts to the title macrocycles, besides an amphiphilic character, a clear tendency to form chiral suprastructures upon solvent-driven self-aggregation in different aqueous-organic solvent mixtures. Supra-assembly phenomena, in terms of the size and morphology of the resulting structures, as well as their kinetics of aggregation, were studied by UV-visible, fluorescence, resonance light scattering (RLS), and CD spectroscopy, indicating that the morphology of the aggregates depends strongly on the structure of the porphyrin rings, and on the bulk conditions of aggregation