Issue 25, 2023

Poly(silyl ether)s (silyl ether copolymers) via hydrosilylation of carbonyl compounds

Abstract

Hydrosilylation of carbonyl compounds gives the corresponding silyl ethers in the presence of various catalysts. Previously, transition metals and metal halides, such as Ni, NiCl2, ZnCl2, and H2PtCl6, were efficiently used for the hydrosilylation of carbonyls. The hydrosilylation strategy using dicarbonyls (diketones and dialdehydes) or hydroxy ketones with dihydrosilanes was then implemented in polymer production to afford the synthesis of poly(silyl ether)s (PSE)s. The first preparation of PSEs by the Weber group used aromatic α,ω-dicarbonyl, and dihydrosilane catalyzed by transition metal complexes, expensive/low abundance ruthenium, and rhodium, whereas nowadays, inexpensive/high abundance catalysts (Mn, Zn, and Cu) and metal-free catalyst (tris(pentafluorophenyl)borane (B(C6F5)3)) have attracted much interest in the synthetic approach toward PSEs. Furthermore, the metal-free catalysts utilized in the hydrosilylation of carbonyls have recently found practical applications in polymer chemistry. Moreover, the chiral PSEs developed by the Zhou group have promising applications in asymmetric catalysis and chiral separation as chiral stationary phases. Particularly, this review focuses on the synthesis of PSEs through various dicarbonyls (or hydroxyl carbonyls) and disilanes. We excluded papers regarding methods involving the polycondensation of diols with dichlorosilanes, diaminosilanes, or dialkoxysilanes and ring-opening polymerization (ROP) of cyclic carbosiloxane.

Graphical abstract: Poly(silyl ether)s (silyl ether copolymers) via hydrosilylation of carbonyl compounds

Article information

Article type
Minireview
Submitted
04 Apr 2023
Accepted
06 Jun 2023
First published
06 Jun 2023

Polym. Chem., 2023,14, 2949-2957

Poly(silyl ether)s (silyl ether copolymers) via hydrosilylation of carbonyl compounds

S. Luleburgaz, U. Tunca and H. Durmaz, Polym. Chem., 2023, 14, 2949 DOI: 10.1039/D3PY00365E

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