Brønsted Base Catalysis in Organic Synthesis
A special issue of Molecules (ISSN 1420-3049). This special issue belongs to the section "Organic Chemistry".
Deadline for manuscript submissions: closed (10 June 2015) | Viewed by 27454
Special Issue Editor
Interests: practical asymmetric synthesis; organocatalysis; green & environmentally friendly chemistry
Special Issue Information
Dear Colleagues,
A Brønsted base is generally defined by its ability to abstract a proton. Amongst the nitrogen-type bases, amidines, such as DBU (1,8-Diazabicycloundec-7-ene), and guanidines, such as TBD (1,5,7-Triazabicyclo[4.4.0]dec-5-ene), show the strongest Brønsted basicity. These Brønsted bases have emerged as highly efficient catalysts for a wide array of chemical transformations. As such, both naturally occurring and designed catalysts containing these functional groups, including chiral variants, have received significant attention over the past decade. Separately, many chemists have also embarked on programs for designing superbases, which are extremely strong bases with high affinities for protons. Such developments have led to an explosion in structural moieties containing phosphorus, such as phosphazenes and iminophosphorane. Recent computational and kinetic studies on Brønsted base catalysis have also led to better understandings of catalytic cycles.
Thus, it is timely, that we collect and bring together such diverse research into one Special Issue of Molecules. We hope that in a small way, we help to generate more interest in this research area.
Prof. Dr. Choon-Hong Tan
Guest Editor
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Keywords
- Brønsted base
- DBU
- TBD
- superbases
- Cinchona alkaloids
- proton
- phosphazene
- iminophosphorane
- computational studies
- kinetic studies
