Catalytic asymmetric synthesis of the alkaloid (+)-myrtine

A new protocol for the asymmetric synthesis of trans-2,6-disubstituted-4-piperidones has been developed using a catalytic enantioselective conjugate addition reaction in combination with a diastereoselective lithiation–substitution sequence; an efficient synthesis of (+)-myrtine has been achieved via this route.

The 42nd Symposium Chromatographic Methods of Investigating Organic Compounds : Book of abstracts

The 42nd Symposium Chromatographic Methods of Investigating Organic Compounds : Book of abstracts. June 4-7, 2019, Szczyrk, Polan

Understanding Integration Experience and Wellbeing of Economic-Asylum Seekers in Italy: the Case of Nigerian Immigrants

The literature on migrants’ integration and wellbeing is ample, but the case of economic-asylum seekers in a protracted asylum application system is yet to receive sufficient attention. The economic-asylum seekers are a unique group who migrate with an economic motive but apply for asylum to achieve economic integration in the host country. We use the aspiration-capability framework and a mixed-method approach: participant observation, focus group discussion, and field survey, to study a group of economic-asylum seekers from Nigeria when they were waiting for their asylum decisions in Italy. We find that they evaluate their wellbeing by reflecting on their premigration aspirations, integration constraints, and capabilities. They report lower life satisfaction compared to their satisfaction in Nigeria, and were affected by several barriers including structural, psychological, economic, and social constraints. Our study generally describes what it is like to live in limbo and frustration, with a limited assurance for a better tomorrow. It gives voice to the economic-asylum seekers and contributes to the integration literature by examining their perceptions of integration constraints

Soutenir les étudiants de BA-1: béquille ou clé vers l'autonomie?

info:eu-repo/semantics/publishe

REGAL International Program: Analysis of experimental data for depletion code validation

Corrigendums : 10.1016/j.anucene.2024.110607 et 10.1016/j.anucene.2024.110621International audienceThe Rod-Extremity and Gadolinia AnaLysis (REGAL) Program is a joint international effort to expand the nuclide inventory experimental data for irradiated nuclear fuel, with a specific focus on addressing two challenging needs associated with the characterization of modern, high duty, nuclear fuel. The first challenge is filling the gaps in experimental nuclide inventory data for gadolinia (UO2–Gd2O3) fuel rods. The huge absorption cross sections of Gd-155 and Gd-157 in the Gd dopant in these rods lead to atypical spatial self-shielding patterns and have an impact on the neutronic environment within the fuel assembly compared to regular UO2 fuel rods. The second challenge is investigating the impact of burnup gradients at rod extremities on fuel composition and neutron leakage, to provide relevant experimental data for assessing computational capabilities to model such impact. A benchmark has been defined as a first step in the development of best-estimate models in the preliminary phase of the experimental data evaluation. Comparison of experimental results obtained in Phase I of the program for two measured pressurized water reactor (PWR) samples, one UO2 and one UO2–Gd2O3 sample, with calculated results obtained with different computational tools based on the defined benchmark are presented and discussed