Current Organic Chemistry - Volume 17, Issue 9, 2013

Cold-plasma-assisted treatment of additive-free hand sheet paper samples with styrene (ST), para-fluorostyrene (FST), parafluoro- α-methylstyrene (FMST), para-chloro-α-methylstyrene (ClMST) and para-bromo-styrene (BrST) was studied and it was established that eficiente grafting had occurred, using elemental analysis, contact angle measurement, and X-ray Photoelectron Spectroscopy (XPS). The contact angle value Read More

The purpose of this highlight is to demonstrate the importance of the surface functionalization of nanoparticles toward the design of high-tech (nano)materials. These (nano)materials are “nano-tools” for the already established interdisciplinary research fields of nanoscience and nanotechnology, which find an enormous variety of applications in different areas. In many cases, the particle-forming material, shape, Read More

This review highlights very recent attempts to incorporate natural renewable resources in benzoxazine resin synthesis and the properties of polybenzoxazines derived from them. Strong environmental incentives to reduce consumption of petroleum and its derivatives have also influenced the choice of raw materials for benzoxazine synthesis among many other synthetic polymer precursors. It will be seen that properties of Read More

Aromatic belts are hoop-shaped, π-conjugated macrocycles that form the fundamental annular segments of single-walled carbon nanotubes (SWCNTs). Syntheses of carbon nanobelts have been challenging the chemical community for several decades. The main reason probably is the possibility that their preparation could open the way to a rational chemical synthesis carbon nanotubes. Here, we reported a successful Read More

An overview of the recent advances of functionalized poly(caprolactone)s (PCL) and their role in micellar drug delivery systems is presented. Various strategies for the functionalization of ε-caprolactone (εCL) and poly(caprolactone)s are discussed together with the approaches for the engineering of PCL-based micellar assemblies. Hydrophilic moieties, halogens, amines, and unsaturated functional groups have been co Read More

A family of Newkome-type dendritic molecules bearing a disulfide anchor group, different peripheral groups (-COOtBu or - COOH) and sizes or generations (Gn=0-2) was synthesized and used as ligand for the synthesis of gold nanoparticle-cored dendrimers (NCDs). These hybrid materials were characterized by means of UV-vis spectroscopy, TEM, and IR and NMR spectroscopies, finding that the capping molecules of the or Read More

Graphene oxide (GO) has been long-considered the most convenient route towards the large scale production of graphene. Additionally, the functional groups present within GO permit both covalent and non-covalent chemical functionalization, in particular with polymeric materials. The functionalization of GO therefore enables the development of graphene-based composite materials which possess the properties of bot Read More

The covalent attachment of methoxy-poly(ethylene glycol) (mPEG) is a well established strategy used to improve the pharmaceutical properties of several biomolecules. Since the pioneering work of Abuchovsky, PEGylation has emerged as a powerful technology of significant relevance, not only for the development of new and better drugs, but also for application in material science. Peptides and proteins are the most traditional Read More

Transition-metal-catalyzed aryl-aryl coupling though C-H bonds activation, termed direct arylation, has been widely used in synthesis of a broad range of small molecules. In contrast to traditional coupling methods such as Suzuki coupling and Stille coupling, direct arylation does not involve tedious preparation of unstable, toxic organometallic reagents. Despite these advantages, direct arylation has not been applied to synth Read More