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Welcome to the Plietker Research Group

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Entwicklung neuer übergangsmetallkatalysierter Reaktionen zum gezielten Aufbau von neuen C-C-, C-N-, C-S- und C-O-Bindungen, asymmetrische Synthese, Entwicklung einer parallelen, automatisierbaren, modularen Kohlenhydratsynthese zum Aufbau strukturell definierter Substanzbibliotheken, Naturstoffsynthese.

Development of transition metal catalyzed reaction for the selective generation of new C-C-, C-N-, C-S- and C-O-bonds; asymmetric synthesis; development of a parallel, automatable, modular carbohydrate synthesis for the generation of a structural defined substance library; natural product synthesis.

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Asli's paper was accepted for publication in European Journal of Organic Chemistry!

A catalytic method for the direct intramolecular amination of aryl vinyl azides to give the corresponding indole derivatives is described. The nucleophilic Fe‐complex Bu4N[Fe(CO)3(NO)] (TBA[Fe]) is used as catalyst and the procedure leads to good to excellent yields. Good work, Asli! Congratulations! DOI

Marie's paper was published in Organic Letters!

The catalytic cyclopropanation of enynes to substituted propargyl cyclopropanes under thermal/photochemical conditions is described. In this method diazoesters are used as carbene surrogates and the nucleophilic Fe-complex Bu4N[Fe(CO)3(NO)] (TBA[Fe]) as catalyst. Good work, Marie! Congratulations! DOI

Pascal's and Franzi's paper was published in Chemistry-A European Journal!

The catalytic and selective deuteration of polyfunctional organic molecules using [RuCl2(PPh3)3] and D2O is described. By changing the additive and the amount of zink powder, orthogonal chemoselectivities are observed. Good work, Pascal and Franzi! Congratulations! DOI

Jianan Li has joined for his Ph.D.

Jianan got the Chinese Government Scholarship by the CSC (Chinese Scholarship Council). Congratulations! He will focus on iron complex synthesis and iron-catalysis. We wish you a lot of fun and success!

Arnar Gudmundsson has joined the group as an exchange Ph.D. student

Arnar is doing his Ph.D. in the Bäckvall group and will work in our group for three month. During this time he will focus on the modification of iron-complexes and their application in cycloisomerizations.

Asli's paper was accepted for publication in Chemistry - An Asian Journal!

The successful use of the nucleophilic iron complex Bu4N[Fe(CO)3(NO)] (TBA[Fe]) as a proton‐transfer catalyst in the cyclocondensation reaction between azides and ketones is reported. The reason for the formation of 1,2,3-triazoles instead of the C−H amination product seems to be a significantly faster proton‐transfer catalysis than the nitrene‐transfer catalysis. An example of a successful sequential Dimroth triazole–indoline synthesis to the corresponding triazole‐substituted indolines is presented. Good work, Asli! Congratulations! DOI

Annika's review was accepted for publication in Catalysis Science & Technologie!

Intramolecular aminations of C–H bonds represent an elegant synthetic way to form important N-heterocycles. Organometallic complexes allow to catalyze the C–H amination under mild conditions. In this review, the most important developments to this field of research concerning Fe-catalysts are summarised and categorized by open-shell (radical) and closed-shell (non-radical) mechanisms. Congratulations! DOI

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Lei completed his Ph.D.

Lei has successfully defended his Ph.D. thesis. Congratulations and all the best for your future!

Double strike: Pascal´s and Annika´s paper on cyanide-free synthesis of acylcyanides and carbene transfer chemistry went online at the same day! Check it out.....!

DOI         DOI

Pascals, Michaels and Shih-Fans paper was accepted by ChemistryOpen!

Their publication describes a facile Ru-catalysed way of accessing acylcyanides by oxidation of the corresponding benzonitriles. This allows for a completely cyanide-free synthesis of acylcyanides. The in-situ generated acylcyanides were further elaborated by subsequent nucleophilic substitutions (O-, S- and N-nucleophiles) and a sequential C-H oxidation-Tishchenko-rearrangement. Well done, guys, congratulations! DOI

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