Search results for "mada"
showing 10 items of 155 documents
Satisfacción laboral en los países pobres: el caso de los docentes malgaches
2015
Utilizando informaciones inéditas recopiladas en el marco de un amplio programa de mejora de la gestión del sistema educativo, este articulo analiza los niveles de satisfacción de los docentes de educación primaria en Madagascar. En base a la estimación de modelos multinivel, se identifican como principales factores de insatisfacción los bajos niveles salariales y las dificultades en el cobro, los elevados ratios alumno-profesor, la precariedad en el empleo, la carencia de formación continua y la falta de infraestructuras básicas y material docente. Las tareas de control realizadas por el director también afectan negativamente a la satisfacción, lo que apunta a que, en las escuelas malgache…
Iron-Catalyzed Cross-Coupling Reactions of Alkyl Grignards with Aryl Chlorobenzenesulfonates
2021
Aryl sulfonate esters are versatile synthetic intermediates in organic chemistry as well as attractive architectures due to their bioactive properties. Herein, we report the synthesis of alkyl-substituted benzenesulfonate esters by iron-catalyzed C(sp2)–C(sp3) cross-coupling of Grignard reagents with aryl chlorides. The method operates using an environmentally benign and sustainable iron catalytic system, employing benign urea ligands. A broad range of chlorobenzenesulfonates as well as challenging alkyl organometallics containing β-hydrogens are compatible with these conditions, affording alkylated products in high to excellent yields. The study reveals that aryl sulfonate esters are the m…
Studying the nutritional beliefs and food practices of Malagasy school children parents. A contribution to the understanding of malnutrition in Madag…
2014
Madagascar is severely affected by the problem of children malnutrition. The present study aimed at exploring school children Malagasy parents' food practices and beliefs structures about the nutritional value of foods, to better understand the causes of this malnutrition. A combination of Focus Groups (72 participants), and questionnaires (1000 interviewees) was used to evaluate the food beliefs and the nutritional habits of low income parents of school age children in urban and rural areas of Antananarivo and Antsiranana. The respondents' beliefs were shown to focus not only on the nutrient and energetic composition of food, but also to involve more general relations between food and heal…
L'évaluation externe. Les arbitrages entre efficacité et équité
2003
conférence plénière au Colloque ADMEE, "Evaluation, efficacité et équité", Liège. 4-6 septembre 2003
La protección legal y jurisdiccional de la igualdad de género en las Fuerzas Armadas
2019
TÍTULO: LA PROTECCIÓN LEGAL Y JURISDICCIONAL DE LA IGUALDAD DE GÉNERO EN LAS FUERZAS ARMADAS Pasadas cuatro décadas desde la aprobación de la Constitución Española y la configuración de nuestro actual Estado Social y Democrático de derecho. En la presente tesis se ha querido iniciar una línea de investigación que parte del estudio de la protección legal y jurisdiccional de la igualdad de género en las Fuerzas Armadas, profundizando en el previo estudio realizado como trabajo fin del máster en derecho y violencia de género realizado por el autor, y que pretende continuar la propia investigación con un análisis en profundidad, no realizado hasta el momento con la perspectiva de la evolución h…
Stereoselective Synthesis of (+)-Boronolide
2002
The delta-lactone boronolide (+)-1, a pharmacologically active, naturally occurring product, has been synthesized in enantiopure form with L-erythrulose as the chiral starting material. The key steps of the synthesis were a highly stereoselective aldol-reduction one-pot sequence, an indium-mediated diastereoselective aldehyde allylation, and a ring-closing metathesis.
Improving education management in Madagascar: results and implications of an impact evaluation
2008
International audience
Nickel‐Catalyzed C(sp2)−C(sp3) Kumada Cross‐Coupling of Aryl Tosylates with Alkyl Grignard Reagents
2019
Aryl tosylates are an attractive class of electrophiles for cross‐coupling reactions due to ease of synthesis, low price, and the employment of C−O electrophiles, however, the reactivity of aryl tosylates is low. Herein, we report the Ni‐catalyzed C(sp2)−C(sp3) Kumada cross‐coupling of aryl tosylates with primary and secondary alkyl Grignard reagents. The method delivers valuable alkyl arenes by cross‐coupling with challenging alkyl organometallics possessing β‐hydrogens that are prone to β‐hydride elimination and homo‐coupling. The reaction is catalyzed by an air‐ and moisture stable‐Ni(II) precatalyst. A broad range of electronically‐varied aryl tosylates, including bis‐tosylates, underwe…
Considerazioni e prospettive storico-giuridiche sul recente accordo Santa Sede - Italia in materia di riconoscimento dei titoli ecclesiastici.
2020
The study is concerned with analyzing from both a historical and a legal point of view the recognition of ecclesiastical academic titles in light of the agreements between the Holy See and Italy. More precisely, it deals with the process that, from art. 10, paragraph 2 of the “Villa Madama Agreements”, has led, thanks to the Lisbon Convention and the so-called “Bologna Process”, to the agreement of February 13, 2019.