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Effects of solvents, additives, and π-allyl ligand structures on the polymerization behavior of diazoacetates initiated by π-allylPd complexes

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Abstract

In the polymerization of diazoacetates initiated by π-allylPd-based initiating systems, the effects of solvents, additives, and π-allyl ligand structures on the polymerization behavior were investigated. As a result, the polymerization in the presence of pyridine or its derivatives as an additive was found to afford a polymer with relatively narrow molecular weight distribution compared to that with π-allylPdCl alone. Furthermore, we have demonstrated that Pd complexes with π-allyl ligands with a variety of substituents are capable of polymerizing diazoacetates in a similar manner to the parent unsubstituted π-allylPdCl, and the tacticity of the resulting polymers is affected by the structure of the π-allyl ligands.

Graphical abstract: Effects of solvents, additives, and π-allyl ligand structures on the polymerization behavior of diazoacetates initiated by π-allylPd complexes

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Article information


Submitted
02 Nov 2019
Accepted
21 Jan 2020
First published
22 Jan 2020

Polym. Chem., 2020, Advance Article
Article type
Paper

Effects of solvents, additives, and π-allyl ligand structures on the polymerization behavior of diazoacetates initiated by π-allylPd complexes

H. Shimomoto, M. Nakajima, A. Watanabe, H. Murakami, T. Itoh and E. Ihara, Polym. Chem., 2020, Advance Article , DOI: 10.1039/C9PY01654F

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