1.

Synthesis of novel C[sub]2-symmetric 1,3-bis{1S,2R,3S,4R)-1,7, 7-trimethyl-3'H-spiro[bicyclo[2.2.1]heptane-2,2'-furan ]-3-yl}-benzoimidazol..

Synthesis of novel C[sub]2-symmetric 1,3-bis{1S,2R,3S,4R)-1,7, 7-trimethyl-3'H-spiro[bicyclo[2.2.1]heptane-2,2'-f uran ]-3-yl}-benzoimidazolium tetrafluoroborates was developed in our laboratoy.

COBISS.SI-ID: 29264901

2.

(S)-1-benzyl-3(6)-methylpiperazine-2,5-diones as chiral solvating agents for N-acylamino acid esters

Three (S)-1-benzyl-3(6)-methylpiperazine-2,5-diones as chiral solvating agents for N-acylamino acid esters were prepared for NMR studies of their enantiomeric purity

COBISS.SI-ID: 29661189

3.

Transformations of (1E,3E)-1-(benzoylamino)-4-(dimethylamino)buta-1,3-diene-1,2, 3-tricarboxylates into pyridine and pyrrole derivatives.

New polysubstituted (1E,3E)-1-(benzoylamino)-4-(dimethylamino)buta-1,3-diene-1,2, 3-tricarboxylates, prepared by cycloaddition of acetylene dicarboxylates to benzoylpropenoates were transformed into pyridine and pyrrole derivatives

COBISS.SI-ID: 29753605

4.

Diastereoselective synthesis of dimethyl (4R*, 4a´R*7a´R*)-1-aryl-6´-benzoyl-4a´-methyl-5-oxo-1,4´,4a´,5,5´,6´-hexahy dros piro[pyrazole-4,7´-pyrrolo

Diastereoselective synthesis of dimethyl (4R*, 4a´R*7a´R*)-1-aryl-6´-benzoyl-4a´-methyl-5-oxo-1,4´,4a´,5,5´,6´-hexahydrospiro[pyrazole-4,7´-pyrrolo[3, 4-c]pyridazine]-3´7a´(1´H)-dicarboxylates is described.

COBISS.SI-ID: 30103557

5.

Synthesis ofl 4-(2-hydroxy-1-methyl-5-oxo-1H-imidazol-4(5H)-ylidene)-5-oxo-1-phenyl-4,5-dihydro-1H-pyrrole-3-carboxylates, new triazafulvalene system.

(2E,3Z)-2-(1-Metyll-2,5-dioxoimidazolidin-4-ylidene)-3-[(arylamino- or heteroarylamino)methylene]succinate, formed by [2+2]cycloaddition of (5Z)-5-[(dimethylamino)methylene]-3-methylimidazolidine-2,4-dione and dimetil acetylene dicarboxylate, was transford by heating into derivatives of a novel triazafulvalene system.

COBISS.SI-ID: 34021893