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- Title
Single Turnover at Molecular Polymerization Catalysts Reveals Spatiotemporally Resolved Reactions.
- Authors
Easter, Quinn T.; Blum, Suzanne A.
- Abstract
Multiple active individual molecular ruthenium catalysts have been pinpointed within growing polynorbornene, thereby revealing information on the reaction dynamics and location that is unavailable through traditional ensemble experiments. This is the first single-turnover imaging of a molecular catalyst by fluorescence microscopy and allows detection of individual monomer reactions at an industrially important molecular ruthenium ring-opening metathesis polymerization (ROMP) catalyst under synthetically relevant conditions (e.g. unmodified industrial catalyst, ambient pressure, condensed phase, ca. 0.03 m monomer). These results further establish the key fundamentals of this imaging technique for characterizing the reactivity and location of active molecular catalysts even when they are the minor components.
- Subjects
POLYMERIZATION; SPATIOTEMPORAL processes; RUTHENIUM catalysts; FLUORESCENCE microscopy; METATHESIS reactions
- Publication
Angewandte Chemie, 2017, Vol 129, Issue 44, p13960
- ISSN
0044-8249
- Publication type
Article
- DOI
10.1002/ange.201708284