B(C6F5)3-Catalyzed Group Transfer Polymerization of n-Butyl Acrylate with Hydrosilane through In Situ Formation of Initiator by 1,4-Hydrosilylation of n-Butyl Acrylate

Keita Fuchise; Shinji Tsuchida; Kenji Takada; Yougen Chen; Toshifumi Satoh; Toyoji Kakuchi

doi:10.1021/mz5004689

B(C₆F₅)₃-Catalyzed Group Transfer Polymerization of n-Butyl Acrylate with Hydrosilane through In Situ Formation of Initiator by 1,4-Hydrosilylation of n-Butyl Acrylate

ACS Macro Lett. 2014 Oct 21;3(10):1015-1019. doi: 10.1021/mz5004689. Epub 2014 Sep 19.

Authors

Keita Fuchise¹, Shinji Tsuchida², Kenji Takada³, Yougen Chen³, Toshifumi Satoh³, Toyoji Kakuchi³

Affiliations

¹ Graduate School of Chemical Sciences and Engineering, ‡Division of Biotechnology and Macromolecular Chemistry, and ∥Frontier Chemistry Center, Faculty of Engineering, Hokkaido University, Sapporo, 060-8628, Japan.
² Graduate School of Chemical Sciences and Engineering, Division of Biotechnology and Macromolecular Chemistry, and ∥Frontier Chemistry Center, Faculty of Engineering, Hokkaido University, Sapporo, 060-8628, Japan.
³ Graduate School of Chemical Sciences and Engineering, Division of Biotechnology and Macromolecular Chemistry, and Frontier Chemistry Center, Faculty of Engineering, Hokkaido University, Sapporo, 060-8628, Japan.

PMID: 35610785
DOI: 10.1021/mz5004689

Abstract

The group transfer polymerization (GTP) of n-butyl acrylate (nBA) using hydrosilane (R₃SiH) and tris(pentafluorophenyl)borane (B(C₆F₅)₃) has been studied, which did not need to use the initiator of a silyl ketene acetal (SKA) as the starting polymerization component. B(C₆F₅)₃ catalyzed the in situ 1,4-hydrosilylation of nBA by R₃SiH to generate the corresponding SKA prior to the polymerization of nBA, which was confirmed by the ¹H NMR measurement of the model reaction. The formed SKA performed as the initiator for the B(C₆F₅)₃-catalyzed GTP of nBA leading to well-defined polymers with targeted molar masses and low dispersities.