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Andreas Kilbinger: "The latest tricks in ROMP chain end functionalization"

Wann 17.06.2013
von 11:15 bis 12:00
Wo FRIAS Seminar Room, Albertstr. 19, 79104 Freiburg
Kontakttelefon +49 (0)761 / 203-7415
Teilnehmer Open to University members
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Andreas Kilbinger
University of Fribourg, Switzerland

The latest tricks in ROMP chain end functionalization

Our group has been developing new methods for end-functionalizing ring opening metathesis polymers (ROMP). The general problem in end-functionalizing living ROM polymers arises out of the high functional group tolerance of the propagating ruthenium alkylidene complexes. Despite these challenges, a number of synthetic end-functionalization procedures have been developed over the last decade.1 End-functional groups that can be routinely introduced to ROMP polymers include alcohols, aldehydes, carboxylic acids, thiols and amines.2 This presentation will give an overview over how to synthesize such end-functional ROMP polymers. Finally, we will present some "kinetic tricks" that simplify the synthesis of well-defined bis-end functional (homo-telechelic) ROMP polymers.

1) Hilf, S.; Kilbinger, A.F.M.
Nature Chemistry 2009, 1, 537
2) Nagarkar, A.; Aurelien, C.; Fromm, K.; Kilbinger, A.F.M. 
Macromolecules 2012, 45, 4447