Search Results - "Roiser, Lukas"

Enantioselective Spirocyclopropanation of para-Quinone Methides Using Ammonium Ylides by Roiser, Lukas, Waser, Mario

“…The use of Cinchona alkaloid-based chiral ammonium ylides allows for the first highly enantioselective and broadly applicable spirocyclopropanation reactions…”
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Asymmetric Synthesis of 2,3‐Dihydrobenzofurans by a [4+1] Annulation Between Ammonium Ylides and In Situ Generated o‐Quinone Methides by Meisinger, Nicole, Roiser, Lukas, Monkowius, Uwe, Himmelsbach, Markus, Robiette, Raphaël, Waser, Mario

“…A highly enantio‐ and diastereoselective [4+1] annulation between in situ generated ammonium ylides and o‐quinone methides for the synthesis of a variety of…”
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Ammonium Ylide Mediated Cyclization Reactions by Roiser, Lukas, Zielke, Katharina, Waser, Mario

“…The use of readily accessible ammonium ylides for (asymmetric) transformations, especially cyclization reactions, has received considerable attention over the…”
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Real-Time Monitoring of a Sol–Gel Reaction for Polysilane Production Using Inline NIR Spectroscopy by Kisling, Thomas, Zimmerleiter, Robert, Roiser, Lukas, Duswald, Kristina, Brandstetter, Markus, Paulik, Christian, Bretterbauer, Klaus

“…The sol–gel process is an effective method for the preparation of homogeneous structured nanomaterials whose physico-chemical properties strongly depend on the…”
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Towards a General Understanding of Carbonyl-Stabilised Ammonium Ylide-Mediated Epoxidation Reactions by Novacek, Johanna, Roiser, Lukas, Zielke, Katharina, Robiette, Raphaël, Waser, Mario

“…The key factors for carbonyl‐stabilised ammonium ylide‐mediated epoxidation reactions were systematically investigated by experimental and computational means…”
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The role of quinoid derivatives in the UV-initiated synergistic interaction mechanism of HALS and phenolic antioxidants by Maringer, Leila, Roiser, Lukas, Wallner, Gernot, Nitsche, David, Buchberger, Wolfgang

“…Within this work, UV-initiated interaction mechanisms between the phenolic antioxidant Irganox 1330 and nine commercially used hindered amine light stabilizers…”
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Synthesis of Trifluoroacetyl‐Substituted Cyclopropanes Using Onium Ylides by Winter, Michael, Gaunersdorfer, Christina, Roiser, Lukas, Zielke, Katharina, Monkowius, Uwe, Waser, Mario

“…The use of carbonyl‐stabilized ammonium‐ and sulfonium ylides allows for the synthesis of highly‐functionalized trifluoroacetyl‐substituted cyclopropanes. It…”
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Spectroscopic studies on the formation of different diastereomers in polyesters based on nadic acid by Kreuzer, Viktoria, Bretterbauer, Klaus, Buchinger, Gerhard, Kaiser, Lisa, Roiser, Lukas, Schwarzinger, Clemens

“…Nadic acid-based polyesters were prepared by polycondensation with different diols and different stoichiometry of the monomers. Due to the four stereocenters…”
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Trisubstituted Highly Activated Benzo[ d ]thiazol-2-yl-sulfone-Containing Olefins as Building Blocks in Organic Synthesis by Kováč, Ondřej, Zálešák, František, J-Y D Bon, David, Roiser, Lukas, Baar, Lubomír V, Waser, Mario, Pospíšil, Jiří

“…In this paper, we report the formation of highly electrophilic 1,1-deactivated olefins, their use as novel synthetic building blocks, and their transformation…”
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