Opening of the 17. Freiburger Symposium
Address of welcome by
Dr. Niklaus Künzle, Lonza AG, President of the DIAC, Dipl. Ing. Urban Jenelten, dsm-firmenich Ltd., Dr. Maurus Marty, dsm-fimenich Ltd., Dr. Roger Marti, HEIA-FR

Session 1: R4 (Reduce, Reuse, Repurpose, Recycle)
Chair: Dr. Stefan Abele, Pharvaris

Brian Schwegler, Lonza AG
«Carbon Footprint Reduction in the Pharmaceutical Industry through Innovative Solvent Recovery»

Dr. Lynda Si-Ahmed, Metalor Technologies SA and Frank Bühler, Bayer CropScience Schweiz AG
«Circular Economy for Precious Metals Catalyst»

Dr. Sebastiano D'Angelo, Syngenta Crop Protection AG
«Syngenta's Early Stage Framework to Quantify Climate Impacts of New Active Ingredients»

Exhibitor talk: Marlies Moser and Finn Steinemann, Fluitec mixing + reaction solutions AG

Lunch Break & Poster Session

Session 2: Manufacturing Excellence / AI
Chair: Dr. Andrea Sting, Syngenta Crop Protection AG

Prof. Philippe Schwaller, EPFL Lausanne and Dr. Raphael Bigler, F. Hoffmann-La Roche AG
«Combining HTE and Data Science to Optimize Chemical Processes»

Matteo Scalabrino and Raphael Pochard, Syngenta Crop Protection AG
«Synergy Between Manufacturing Excellence and Sustainable Manufacturing at Syngenta»

Short Break

Jorge Gamara, Holcim Ltd.
«Optimizing Cement Plant Maintenance with Digital Solutions»

Keynote Lecture
Chair: Dr. Lucie Lovelle, Novartis Pharma AG

Jürgen Wieland, Novartis Pharma AG
«Environmental Sustainability in Pharma – Beyond Green Chemistry»

17.30

Aperitif and Symposium Dinner

Session 3: Sandmeyer Award Lectures
Chair: Dr. Stefan Hildbrand, F. Hoffmann-La Roche Ltd

Sandmeyer Award Lecture 2024:  
Prof. Urs von Gunten, Eawag and EPFL, and Dr. Christa McArdell, Eawag, as representatives of the Eawag working group “Advanced wastewater treatment”
«Advanced Wastewater Treatment by Ozonation for Abatement of Micropollutants from Municipal Wastewater Effluents»

10.00

Sandmeyer Award Lecture 2025:  
Dr. Stephan Bachmann, F. Hoffmann-La Roche AG as representative of F. Hoffmann-La Roche AG
«A Highly Atroposelective Negishi Coupling Enables the Commercial Manufacturing Process of Divarasib »

10.45

Session 4: Green Process Chemistry
Chair: Dr. Maurus Marty, dsm-firmenich Ltd

Prof. Eva Hevia, University of Bern
«Exploiting Sustainable Polar Organometalllics for Arene Functionalisation and Catalysis»

Dr. Tobias Brütsch, Dottikon ES and Dr. Stephan Rummelt, F. Hoffmann-La Roche AG
«Development of the Commercial Manufacturing Process for Inavolisib»

Lunch Break

Dr. George Lem, dsm-firmenich Ltd.
«A Brief Survey of Recent Dry Woody and Ambery Odorants»

Prof. Siegfried Waldvogel, Max-Planck-Institut für Chemische Energiekonversion (MPI CEC) in Mülheim an der Ruhr
«Electrifying Organic Synthesis – An Elegant Way to Oxygenated Products»

Best Poster Award Ceremony (sponsored by Helvetica)

Symposium Closure and aperitif