The present invention is a process of coupling of molecules of organic compounds which could be done in a one-step synthesis reaction. The process of this invention utilizes an oxidizing agent comprising at least one silver(II) compound as AgSO4 or Ag(SO3X)2 salts where X is fluorine or perfluoroalkyl substituent (i.e. Ag(SO3F)2 Ag(SO3CF3)2). The process enables coupling of molecules of organic compounds without the need for their prior modification or activation. The process allows to run the coupling either between the same type of either between different types (cross-coupling) of organic molecules. The formation of C-C bonds takes place between the carbon atoms having only hydrogen substituents. It is possible to couple organic compounds to form a C-C bond between the carbon atoms of different hybridization, i.e. sp3 sp3-sp3, sp3-sp2, sp3-sp, sp2-sp2, sp2-sp, sp-sp. The process allows to couple two or more organic molecules and may be performed under normal conditions.
F.32 International patent
COBISS.SI-ID: 28868647Partners within the COST action prepared and published guidelines for modelling of dispersion of hazardous materials in the context of the potential incidental events. Guidelines elaborate on use of the models and tools of different complexity, starting points to prepare input data and related assumptions, evaluation of the results and guides to communicate the results to the target users – main incident control team (incident controller).
F.26 Improvements to existing organisational structure and managerial solutions
COBISS.SI-ID: 28818727Chemistry of antimony(III) and arsenic(III) fluoride is mostly related to inorganic fluorine chemistry. Pnictogen fluoro anions such as PnmF3m+1- (Pn= As, Sb; m=1-4) and PnF52- (Pn= Sb), have been known for a long time, but they were mostly prepared in polar solvents. Our intention was to study influence of solvent and ligands on the formation of antimony or arsenic fluoride species. Amine and N-heterocyclic carbine ligands were used to influence formation of different species with their coordination and sterical properties and improve solubility of PnF3 (Pn= As, Sb) in non-polar solvents.
B.04 Guest lecture
COBISS.SI-ID: 29139495The activity of the programe group in the field of education and the promotion of sciences should be mentioned. Activities are particularly important to increase interest in science and technology among young people. This type of activities includes co-operation in the educational television program. In addition, the School of Experimental Chemistry maintained its very important relations with elementary, secondary schools and even kindergartens through experimental courses performed in a specialised laboratory or through direct demonstrations at the schools. With demonstrations of chemical experiments, we participated at the 21th Slovenian Science Festival, organized by the Slovenian Science Foundation and at the Researchers night in Ljubljana and other events.
D.10 Educational activities
COBISS.SI-ID: 28409127Fluorine (F) is one of several trace elements receiving much attention owing to its possible harmful effects on health and environment. Fluorine is not considered as an essential element for humans, plants or animals. Low intakes of fluoride (F–) have been proven to be beneficial in prevention of dental caries in humans. Fluorides are released into the environment via natural or anthropogenic sources, which results in the presence of fluoride (F–) in soil, water, and atmosphere. Once taken up by the plants, F– enters into the food chains. The background contents of F in the majority of plant species are usually lower than 10 mg/kg, but the uptake and accumulation of F– from the soil, water, or air might occur, at least in some species. Entry of F– into plants occurs mainly through two pathways; either by aerial deposition of gaseous F– taking place through stomatal diffusion or from the soil and water into the plant roots through a passive diffusion process. The level of uptake depends mainly on the concentration of fluoride in the air or growth medium, the duration and frequency of the exposure and on the vegetation structure, plant species and growth conditions. The contents of F in some plants species were reviewed with the emphasize being put on: (1) the toxicity mechanism and sensitivity of plants to F–; (2) the uptake of F– and accumulation pattern of F in the plants; and (3) possible use of plants for bioindication or phytoremediation purposes of F– polluted air, water or soil.
B.04 Guest lecture
COBISS.SI-ID: 28839975