Current Organic Chemistry - Volume 21, Issue 24, 2017

In this review modification of cellulose and alumina membranes are studied. Cellulose membranes are classified by the derivatives used for its modification. General biomedical applications of modified cellulose membranes with organic substrates are studied and their specific applications with organic substrates are also analysed. Review includes preparation of zwitterionic polymers on cellulose membranes and its biocom Read More

The functionalization of mesoporous silica nanoparticles (MSNs) is a very important step in the preparation of these systems for a variety of applications. The surface of MSNs can be widely functionalized with different organic groups. There are essentially two ways to covalently modify the surface of nanoparticles: co-condensation and post-grafting. Generally, for both of these methods, the precursors are: [(R'O)3SiR] a Read More

Metal nanoparticles (MNPs) have attracted widespread interest as catalytic materials due to their small size and high surface to volume ratio, which lead to a greater catalytic activity. To preserve such features however, agglomeration of MPNs must be prevented by the use of stabilizing agents of which ionic liquids (ILs) are probably the best ever reported compounds. ILs offer unique environments suitable for both the synthesis, th Read More

This chapter will give a brief outline on recent advances in grafting techniques for the surface modification of membranes made from synthetic materials or biopolymers, specifically cellulose. In addition, it highlights how these techniques may lead to polymeric surfaces with increased functionality by providing examples where various grafting techniques are used to change the nature of surfaces.

Background: Supramolecular interactions within polylactides chains allows for the creation of highly ordered structures with unique features that could enlarge the applications of polylactide-based materials. Method: Stereocomplexation is a supramolecular interaction which leads to the formation of complex structures from enantiomeric polylactides and interactions of L- and D-lactide unit sequences is a driving force of Read More

This review presents recent achievements in manufacturing of supports with controlled hydrophilicity/ hydrophobicity. The broad spectrum of reactions and polymerization processes leading to polymers tethered to surfaces is described. Commonly, brush-like polymers or copolymer layers attached to solid supports constitute the interface between the support and the surroundings. Modification of solid supports by polymer Read More

Background: In recent years, the preparation, characterization, and surface modification of nanostructured materials have become topics of great interest because of their unique properties and possible uses in technological applications. One powerful example is the embracement of “interfacial organic chemistry” by the materials science community. Objective: This study was mainly directed towards incorporating sol Read More

Background: While C-S bonds coupling is playing a crucial role in the syntheses of many biologically active substances, the well concerned C-H functionalization reactions have been barely employed yet in construction of such sulfur compounds. Objective: The primary objective of this study was to expand the application of copper, a cheap metal, to catalyze C-S bond construction reactions of indoles. Methods: We chose cop Read More