Insertion of CS2 into the Mg-H bond: synthesis and structural characterization of the magnesium dithioformate complex, [TismPr]Mg(κ2-S2CH)
1Department of Chemistry, Columbia University, New York, New York 10027, USA.
Abstract:
The tris[(1-isopropylbenzimidazol-2-yl)dimethylsilyl]methyl magnesium hydride compound, [TismPriBenz]MgH, undergoes insertion of CS2 into the Mg-H bond at room temperature to give [TismPriBenz]Mg(κ2-S2CH), the first structurally characterized magnesium dithioformate compound. The dithioformate complex [TismPriBenz]Mg(κ2-S2CH) reacts with (i) CO2 at 80 °C to give, inter alia, the formate counterpart, [TismPriBenz]Mg(κ2-O2CH), and (ii) Me3SiX (X = Cl, Br), Me3SnX (X = F, Cl, Br) and MeI to afford the halide derivatives, [TismPriBenz]MgX.
Related Concept Videos
Covalent Bonding and Lewis Structures
Structure and Bonding of Alkenes
Doubly bonded carbons are sp2 hybridized and have a trigonal planar geometry. The double bond is composed of a σ bond formed by the overlap of hybrid orbitals and a π bond produced by the lateral overlap of unhybridized 2p orbitals on both the carbons. Each carbon atom is...
Peptide Bonds
Metal-Ligand Bonds
In these complexes, transition metals form coordinate covalent bonds, a kind of Lewis acid-base interaction in which both of the electrons in the bond are contributed by a donor (Lewis base) to an electron acceptor (Lewis acid). The Lewis acid in...
Synthesis and Decomposition Reactions
Dehydration Synthesis
Dehydration synthesis (also called a condensation reaction) is the chemical process in which two molecules covalently link together to form a new molecule, along with the release of a water molecule. Many physiologically important compounds form by dehydration synthesis reactions, such as complex carbohydrates, proteins, DNA, and RNA.
Synthesis of carbohydrates
Sugar molecules are covalently linked together by dehydration synthesis. During the reaction, the hydroxyl (-OH) group from...


