NHC-stabilized 1-hydrosilaimine: synthesis, structure and reactivity

Area of Science:

• Organosilicon Chemistry
• Catalysis
• Synthetic Chemistry

Background:

• N-heterocyclic carbenes (NHCs) are versatile ligands in organometallic chemistry.
• Hydrosilaimines are silicon-nitrogen compounds with potential applications in synthesis.

Purpose of the Study:

• To report a facile synthesis of NHC-stabilized 1-hydrosilaimines.
• To investigate the reactivity of these compounds in catalytic transformations.

Main Methods:

• Synthesis of NHC-stabilized 1-hydrosilaimine from a silicon(IV)-precursor.
• Reaction of the hydrosilaimine with water under ambient conditions.

Main Results:

• A straightforward synthesis route was established.
• The NHC-stabilized 1-hydrosilaimine successfully facilitated the addition of water's O-H bond.
• The reaction proceeded without the need for an external catalyst.

Conclusions:

• NHC-stabilized 1-hydrosilaimines represent a novel class of reactive silicon compounds.
• These compounds offer a catalytic pathway for O-H bond addition.
• The developed method provides an efficient and catalyst-free approach for hydrosilylation reactions.