Search Results - "König, Burkhard"

Photocatalysis in Organic Synthesis – Past, Present, and Future by Konig, Burkhard

“…The use of visible light as a catalyst in organic reactions has developed greatly in the last decade as a result of the increasing urge to implement…”
Get full text

Chromoselective Photocatalysis: Controlled Bond Activation through Light-Color Regulation of Redox Potentials by Ghosh, Indrajit, König, Burkhard

“…Catalysts that can be regulated in terms of activity and selectivity by external stimuli may allow the efficient multistep synthesis of complex molecules and…”
Get full text

The Photocatalyzed Meerwein Arylation: Classic Reaction of Aryl Diazonium Salts in a New Light by Hari, Durga Prasad, König, Burkhard

“…The use of diazonium salts for aryl radical generation and CH arylation processes has been known since 1896 when Pschorr first used the reaction for…”
Get full text

Birch‐Type Photoreduction of Arenes and Heteroarenes by Sensitized Electron Transfer by Chatterjee, Anamitra, König, Burkhard

“…The direct reduction of arenes and heteroarenes by visible‐light irradiation remains challenging, as the energy of a single photon is not sufficient for…”
Get full text

Synthetic applications of eosin Y in photoredox catalysis by Hari, Durga Prasad, König, Burkhard

“…Eosin Y, a long known dye molecule, has recently been widely applied as a photoredox catalyst in organic synthesis. Low cost and good availability make eosin Y…”
Get more information

Synthetic Photoelectrochemistry by Barham, Joshua P., König, Burkhard

“…Photoredox catalysis (PRC) and synthetic organic electrochemistry (SOE) are often considered competing technologies in organic synthesis. Their fusion has been…”
Get full text

Visible Light Mediated Photoredox Catalytic Arylation Reactions by Ghosh, Indrajit, Marzo, Leyre, Das, Amrita, Shaikh, Rizwan, König, Burkhard

“…Introducing aryl- and heteroaryl moieties into molecular scaffolds are often key steps in the syntheses of natural products, drugs, or functional materials. A…”
Get full text

Strategies for the Photocatalytic Generation of Carbanion Equivalents for Reductant-Free C–C Bond Formations by Donabauer, Karsten, König, Burkhard

“…Conspectus The use of photocatalysis in organic chemistry has encountered a surge of novel transformations since the start of the 21st century. The majority of…”
Get full text

Eosin Y Catalyzed Visible Light Oxidative C–C and C–P bond Formation by Hari, Durga Prasad, König, Burkhard

“…Eosin Y catalyzes efficiently the visible light mediated coupling of sp3 C–H bonds adjacent to the nitrogen atom in tetrahydroisoquinoline derivatives in the…”
Get full text

Chemical Degradation in Organic Light-Emitting Devices: Mechanisms and Implications for the Design of New Materials by Schmidbauer, Susanna, Hohenleutner, Andreas, König, Burkhard

“…Degradation of the materials in organic light‐emitting devices (OLEDs) is the major impediment for the development of economically feasible, highly efficient…”
Get full text

Reduction of aryl halides by consecutive visible light-induced electron transfer processes by Ghosh, Indrajit, Ghosh, Tamal, Bardagi, Javier I., König, Burkhard

“…Biological photosynthesis uses the energy of several visible light photons for the challenging oxidation of water, whereas chemical photocatalysis typically…”
Get full text

Light-Induced Single-Electron Transfer Processes involving Sulfur Anions as Catalysts by Wang, Shun, Wang, Hua, König, Burkhard

“…Photoredox catalysis has evolved as an attractive approach to enable a wide variety of chemical reactions with high selectivity under mild conditions. The…”
Get full text

Organic semiconductor photocatalyst can bifunctionalize arenes and heteroarenes by Ghosh, Indrajit, Khamrai, Jagadish, Savateev, Aleksandr, Shlapakov, Nikita, Antonietti, Markus, König, Burkhard

“…Photoexcited electron-hole pairs on a semiconductor surface can engage in redox reactions with two different substrates. Similar to conventional…”
Get full text

Catalytic Generation of Carbanions through Carbonyl Umpolung by Wang, Shun, König, Burkhard

“…Carbonyl Umpolung is a powerful strategy in organic chemistry to construct complex molecules. Over the last few years, versatile catalytic approaches for the…”
Get full text

Sensitization‐Initiated Electron Transfer for Photoredox Catalysis by Ghosh, Indrajit, Shaikh, Rizwan S., König, Burkhard

“…Photosynthetic organisms exploit antenna chromophores to absorb light and transfer excitation energy to the reaction center where redox reactions occur. In…”
Get full text

Photoredox Catalytic Organic Transformations using Heterogeneous Carbon Nitrides by Savateev, Aleksandr, Ghosh, Indrajit, König, Burkhard, Antonietti, Markus

“…Photoredox catalysis comprising homogeneous transition‐metal‐based systems, organic dyes, and semiconductors, has become a universal tool to catalyze a wide…”
Get full text

Photocatalytic formation of carbon-sulfur bonds by Wimmer, Alexander, König, Burkhard

“…This review summarizes recent developments in photocatalyzed carbon-sulfur bond formation. General concepts, synthetic strategies and the substrate scope of…”
Get full text

The Photocatalyzed Aza-Henry Reaction of N‑Aryltetrahydroisoquinolines: Comprehensive Mechanism, H•- versus H+‑Abstraction, and Background Reactions by Bartling, Hanna, Eisenhofer, Anna, König, Burkhard, Gschwind, Ruth M

“…The cross-dehydrogenative coupling (CDC) reaction of N-aryltetrahydroisoquinolines (THIQ) is one of the most exploited photocatalytic transformation and a test…”
Get full text

Selective Single C(sp3)–F Bond Cleavage in Trifluoromethylarenes: Merging Visible-Light Catalysis with Lewis Acid Activation by Chen, Kang, Berg, Nele, Gschwind, Ruth, König, Burkhard

“…The conversion of easily available trifluoromethylarenes into aryldifluoromethyl compounds, which are valuable motifs in the pharmaceutical chemistry, is…”
Get full text

Excited State Anions in Organic Transformations by Schmalzbauer, Matthias, Marcon, Michela, König, Burkhard

“…Utilizing light is a smart way to fuel chemical transformations as it allows the energy to be selectively focused on certain molecules. Many reactions…”
Get full text