Stereoselectivity in metallocene-catalyzed coordination polymerization of renewable methylene butyrolactones: from stereo-random to stereo-perfect polymers |
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| Authors: | Chen Xia Caporaso Lucia Cavallo Luigi Chen Eugene Y-X |
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| Institution: | Department of Chemistry, Colorado State University, Fort Collins, Colorado 80523-1872, USA. |
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| Abstract: | Coordination polymerization of renewable α-methylene-γ-(methyl)butyrolactones by chiral C(2)-symmetric zirconocene catalysts produces stereo-random, highly stereo-regular, or perfectly stereo-regular polymers, depending on the monomer and catalyst structures. Computational studies yield a fundamental understanding of the stereocontrol mechanism governing these new polymerization reactions mediated by chiral metallocenium catalysts. |
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