Reaction mechanisms: polar reactions

This report highlights mechanistic work pertaining to polar reactions published in 2011. A range of topics is covered, spanning many different fields in chemistry, and as is often the case with much mechanistic work, the specific details of the work may span a number of the headings used to divide up this review. As such these headings should be used as guidelines. Areas such as supramolecular chemistry, biological systems and model systems, and solvent interactions are all featured.