Welcome the Sparr Research Group
![intro](/fileadmin/_processed_/e/6/csm_IMG_4582_a3c880f177.jpeg?1666245335)
Latest News
Organophotocatalytic Aerobic Oxygenation of Phenols in a Visible‐Light Continuous‐Flow Photoreactor
Congratulation to Joël, Dragan, Thomas and the DSM team. Let us improve sustainability for important phenol oxidations, now published in Chemistry – A European Journal.![TOC](/fileadmin/_processed_/8/f/csm_P481500x750_3f5d81750b.jpg?1614728059)
Article in Angewandte Chemie International Edition
Catalyst-Controlled Transannular Polyketide Cyclization Cascades: Selective Folding of Macrocyclic Polyketides by F. C. Raps, V. C. Fäseke, D. Häussinger, C. SparrArticle in Chemistry – A European Journal
JoyaPhos: An Atropisomeric Teraryl Monophosphine Ligand by A. Castrogiovanni, D. Lotter, F. R. Bissegger, C. Sparr*New Preprint in ChemRxiv
Catalyst-Control over Sixfold Stereogenicity by X. Wu,+ R. M. Witzig,+ R. Beaud, C. Fischer, D. Häussinger, C. Sparr* (+ denotes equal contributions)Feature Article in Chemical Communications
Design and application of aminoacridinium organophotoredox catalysts by B. Zilate, C. Fischer, C. Sparr*![""](/fileadmin/_processed_/b/8/csm_TOCPolyketideCyclizations_1500x750_1891e0a69e.png?1614766064)
Article in Angewandte Chemie International Edition
Polyketide Cyclizations for the Synthesis of Polyaromatics by V. C. Fäseke, F. C. Raps, C. Sparr*![""](/fileadmin/_processed_/f/3/csm_TOCModular_1500x750_8cd7406328.png?1614766065)
Article in ACS Catalysis
Modulation of Acridinium Organophotoredox Catalysts Guided by Photophysical Studies by C. Fischer,+ C. Kerzig,+ B. Zilate, O. S. Wenger,*C Sparr* (+ denotes equal contributions)![""](/fileadmin/_processed_/7/f/csm_TOColigoET_1500x750_4fb4f137b4.png?1614766065)
Article in Chemistry – A European Journal
Shortcuts for Electron‐Transfer through the Secondary Structure of Helical Oligo‐1,2‐naphthylenes by A. Castrogiovanni,+ P. Herr,+ X. Guo, C. Larsen, C. Sparr,* O. S. Wenger* (+ denotes equal contributions)![""](/fileadmin/_processed_/5/e/csm_GRSC_TOC_1500x750_237d544a12.png?1614766066)
Article in Organic Letters
Catalyst Repurposing Sequential Catalysis by Harnessing Regenerated Prolinamide Organocatalysts as Transfer Hydrogenation Ligands by F. Bourgeois, J. A. Medlock, W. Bonrath, C. Sparr*![""](/fileadmin/_processed_/8/2/csm_f_raps_1500x750_8bf17086f2.png?1614766066)