Development of environmentally compatible synthesis procedures
Solvent-free synthesis
Water and ionic liquids as reaction media
Application of supercritical carbon dioxide as reaction and extraction medium
Enzymatic reactions in organic synthesis, organic synthesis applying the laccase-mediator system
Microwave-enhanced synthesis protocols
Key publication:
Rosenau, T.; Potthast, A.; Röhrling, J.; Hofinger, A.; Sixta, H.; Kosma, P. Synth. Commun. 2002, 32 (3), 457-465. A solvent-free and formalin-free Eschweiler-Clarke methylation for amines.
Rosenau, T.; Potthast, A.; Chen, C. L.; Gratzl, J. S. Synth. Commun.1996, 26, 315-320. A mild, simple and general procedure for the oxidation of benzyl alcohols to benzaldehydes.
Rosenau, T.; Mereiter, K.; Jäger, C.; Schmid, P.; Kosma, P. Tetrahedron2004, 60(27), 5719-5723. Sulfonium ylides derived from 2-hydroxy-benzoquinones: Crystal and molecular structure and their one-step conversion into Mannich bases by amine N-oxides.
Rosenau, T.; Yoneda, Y.; Krainz, K.; Liebner, F.; Potthast, A.; Karakawa, M.; Nakatsubo, F. Eur. J. Org. Chem. 2008, 475-484. “Furan endwise peeling" of celluloses: mechanistic studies and application perspectives of a novel reaction.