We report here the first high-valent cobalt( )-catalyzed direct alkylation of aromatic amines with secondary alcohols.

International audience; This article is dedicated to precedent phenomena (cultural references and quotations classified at the end of the article) in Russian advertising texts. It presents the background of the problem that made precedent phenomena into an object of res...

International audience

C. Katan present address: CNRS UMR6082 FOTON, INSA de Rennes, 20 avenue des Buttes de Coësmes, CS 70839, 35708 RENNES cedex 7, France; International audience; Novel chromophores based on the alternation of electron-poor (pyridyl) and electron-rich (ethylenedioxythienyl)...

International audience; This chapter investigates the influences of hyper-connectivity on our society. To do this, it first shows that the analysis of social networks cannot be reduced to a study of the topology of connections, but has to take into account the social pr...

Member commitment falls down in large agricultural cooperatives. We explore how economic participation, governance involvement interact to strengthen or weaken member commitment. We build a typology of members based on a sample of 3330 active members belonging to a Fren...

In this paper, a novel compact QPSK/16QAM modulator is proposed. The modulator is composed of two cascaded multimode interference (MMI) couplers. By modulating the four arms between the two MMI couplers, QPSK/16QAM signals are generated.

International audience; Swarm robotics is an approach to collective robotics inspired by the self-organized behaviour of social animals. This approach aims to design robust, scalable and flexible collective behaviours for the coordination of a large number of robots usi...