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Inherent complexity in web application development is continually increasing due to changes in both functional and non-functional requirements, as well as to technological changes like new programming languages, tools, frameworks and development processes. An adequate management of this complexity is required in order to generate high quality software systems. In this paper, an approach based on model-driven...
Surface-enhanced Raman scattering spectra of 2,4,6-trimethylpyridine recorded on silver at different electrode potentials have been analyzed on the basis of a charge transfer enhancement mechanism. The main feature of surface-enhanced Raman scattering is the enhancement of the band corresponding to the 8a mode at negative electrode potentials. This behavior can be explained by Franck-Condon factors...
In the presence of phosphazene P 2 -Et base as well as 1,8-diazabicyclo[5.4.0]undec-7-ene (DBU) the coupling of aryl iodides with arenethiols only requires catalytic amounts of CuBr. Under these conditions the reaction can be performed in refluxing toluene to give biaryl thioethers in excellent yields.
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