Nucleophilic Neutral Diborane(4) Compounds with sp3–sp3‐Hybridized Boron Atoms

다국어 초록 (Multilingual Abstract)

Borylation reactions with diborane(4) compounds are of key importance in modern synthetic chemistry. Generally, sp2–sp2‐hybridized diborane(4) compounds are used for this purpose; these can be regarded as boryl‐substituted boranes and consequently react as electrophiles. In contrast, the chemistry of nucleophilic, electron‐rich sp3–sp3‐hybridized diborane(4) compounds is a very underdeveloped research field. This review highlights some aspects of this chemistry, showing that it offers great new opportunities for diboration and boron‐boron coupling reactions. The discussion focusses primarily on especially nucleophilic doubly guanidinate‐bridged diborane(4) compounds.
The chemistry of nucleophilic boron compounds is a topical research theme with many potential applications. In this work, nucleophilic sp3–sp3‐hybridized diborane(4) derivatives are reviewed. The discussion focusses primarily on especially nucleophilic diboranes with bridging guanidinate substituents, which show rich chemistry and find applications in new diboration and boron‐boron coupling reactions.