Publications by authors named "Johan Franzen"

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Gender Difference in sidE eFfects of ImmuNotherapy: a possible clue to optimize cancEr tReatment (G-DEFINER): study protocol of an observational prospective multicenter study.
Rosalba Miceli, Hanna Eriksson, Giuseppe Lo Russo, Salvatore Alfieri, Maria Moksnes Bjaanæs

Acta Oncol· April 2024

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Carbocation catalysed ring closing aldehyde-olefin metathesis.
Shengjun Ni, Johan Franzén

Chem Commun (Camb)· November 2018

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Anionic polycondensation and equilibrium driven monomer formation of cyclic aliphatic carbonates.
Geng Hua, Peter Olsén, Johan Franzén, Karin Odelius

RSC Adv· November 2018

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One-pot inimer promoted ROCP synthesis of branched copolyesters using α-hydroxy-γ-butyrolactone as the branching reagent.
Geng Hua, Johan Franzén, Karin Odelius

J Polym Sci A Polym Chem· July 2016

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Carbocations as Lewis acid catalysts in Diels-Alder and Michael addition reactions.
Juho Bah, Johan Franzén

Chemistry· January 2014

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A stereodivergent strategy for the preparation of corynantheine and ipecac alkaloids, their epimers, and analogues: efficient total synthesis of (-)-dihydrocorynantheol, (-)-corynantheol, (-)-protoemetinol, (-)-corynantheal, (-)-protoemetine, and related natural and nonnatural compounds.
Wei Zhang, Juho Bah, Andreas Wohlfarth, Johan Franzén

Chemistry· December 2011

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Asymmetric alkaloid synthesis: a one-pot organocatalytic reaction to quinolizidine derivatives.
Johan Franzén, Andreas Fisher

Angew Chem Int Ed Engl· January 2009

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Organocatalytic conjugate addition of malonates to alpha,beta-unsaturated aldehydes: asymmetric formal synthesis of (-)-paroxetine, chiral lactams, and lactones.
Sven Brandau, Aitor Landa, Johan Franzén, Mauro Marigo, Karl Anker Jørgensen

Angew Chem Int Ed Engl· June 2006

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Efficient bioreduction of bicyclo[2.2.2]octane-2,5-dione and bicyclo[2.2.2]oct-7-ene-2,5-dione by genetically engineered Saccharomyces cerevisiae.
Annika Friberg, Ted Johanson, Johan Franzén, Marie F Gorwa-Grauslund, Torbjörn Frejd

Org Biomol Chem· June 2006

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An unexpectedly mild thermal Alder-ene-type cyclization of enallenes.
Katja Närhi, Johan Franzén, Jan-E Bäckvall

J Org Chem· March 2006

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A general organocatalyst for direct alpha-functionalization of aldehydes: stereoselective C-C, C-N, C-F, C-Br, and C-S bond-forming reactions. Scope and mechanistic insights.
Johan Franzén, Mauro Marigo, Doris Fielenbach, Tobias C Wabnitz, Anne Kjaersgaard

J Am Chem Soc· December 2005

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Palladium(0)-catalyzed cycloisomerization of enallenes.
Katja Närhi, Johan Franzén, Jan-E Bäckvall

Chemistry· November 2005

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Asymmetric multicomponent domino reactions and highly enantioselective conjugated addition of thiols to alpha,beta-unsaturated aldehydes.
Mauro Marigo, Tobias Schulte, Johan Franzén, Karl Anker Jørgensen

J Am Chem Soc· November 2005

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Asymmetric organocatalytic epoxidation of alpha,beta-unsaturated aldehydes with hydrogen peroxide.
Mauro Marigo, Johan Franzén, Thomas B Poulsen, Wei Zhuang, Karl Anker Jørgensen

J Am Chem Soc· May 2005

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Stereoselective palladium-catalyzed carbocyclization of allenic allylic carboxylates.
Johan Franzén, Joakim Löfstedt, Jennica Falk, Jan-E Bäckvall

J Am Chem Soc· November 2003

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Allenes as carbon nucleophiles in intramolecular attack on (pi-1,3-diene)palladium complexes: evidence for trans carbopalladation of the 1,3-diene.
Ismet Dorange, Joakim Löfstedt, Katja Närhi, Johan Franzén, Jan-E Bäckvall

Chemistry· July 2003

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Carbon-carbon bond formation in palladium(II)-catalyzed allylic oxidation: a novel oxidative carbocyclization of allene-substituted olefins.
Johan Franzén, Jan-E Bäckvall

J Am Chem Soc· May 2003

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Allenes as carbon nucleophiles in palladium-catalyzed reactions: observation of anti attack of allenes on (pi-allyl)palladium complexes.
Johan Franzén, Joakim Löfstedt, Ismet Dorange, Jan-E Bäckvall

J Am Chem Soc· September 2002

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