Journal
CHEMISTRY-AN ASIAN JOURNAL
Volume 5, Issue 5, Pages 1058-1070Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/asia.200900749
Keywords
chain walking; dendritic polymers; polymerization; polymers; transition-metal catalysis
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Funding
- National Science Foundation [DMR-0135233, DMR-0703988]
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Catalysis continues to spark new imagination and excitement of synthetic chemists. Discovery of new catalytic processes often makes seemingly impossible transformations proceed magically at high efficiency. In modern polymer synthesis, an exciting direction in recent years is the development of transition-metal-catalyzed polymerizations for controlling polymer topology. In this Focus Review, we highlight a few recent examples for catalytic syntheses of polyolefins having cyclic, block, and dendritic topologies, respectively. These examples showcase the power and efficiency of transition-metal catalysis for accessing various polymer topologies ranging from simple cyclic to complex globular dendritic polymers.
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