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This summary aims to highlight significant developments in organosilicon chemistry over half a century.

March 15, 2026

Over Half a Century with Organosilicon Chemistry

Key Points

This summary aims to highlight significant developments in organosilicon chemistry over half a century.
Reviewed research spanning from the mid-1960s to present in organosilicon chemistry.
Discussed six major areas including reactions of disilanes and cyclic compounds.
Addressed both experimental and theoretical aspects of photophysical properties.
Highlighted the fundamental importance of disilanes in polysilanes.
Investigated the characteristics of cyclic compounds with Si–Si bonds.
Explored the implications of hypercoordinated silicon and photophysical properties.

Abstract

Abstract On the occasion of celebrating the 100th anniversary of the Bulletin of the Chemical Society of Japan (BCSJ), this Account summarizes major topics from our research in organosilicon chemistry conducted over more than half a century, beginning in the mid-1960s. The following six areas are discussed: reactions of disilanes as fundamental units of polysilanes;cyclic compounds containing an Si–Si bond, including monocyclic, bicyclic, and tricyclic systems;hypercoordinated silicon chemistry;preparation and reactions of silicon-functionalized silyl anions;conformational dependence of the photophysical properties of oligosilanes, addressing long-standing questions concerning σ-conjugation from both experimental and theoretical perspectives; andsilicon-containing π-conjugated systems: siloles and air-stable disilenes

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Over Half a Century with Organosilicon Chemistry

Key Points

Abstract

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