User:OrganoMetallurgy/Drafts/Tris(trimethylsilyl)methyl lithium

= non-chembox sections = Tris(trimethylsilyl)methyllithium is a reagent used to introduce the extremely bulky tris(trimethylsilyl)methyl (trisyl) ligand or functional group on to compounds/molecules.

Structure
The crystal stucture of the tetrahydrofuran adduct consists of [Li(thf)4]+ cations and [Li{C(SiMe3)3}2]– anions.

Synthesis/Preparation
Tris(trimethylsilyl)methyllithium can be prepared by the lithiation of tris(trimethylsilyl)methane by methyllithium in a mixture of tetrahydrofuran and diethyl ether.