Nitrogen Ligand Complexes of Metal Chlorides as Effective Catalysts for the Highly Regio- and Chemoselective Silylation of Hydroxyl Groups with Hexamethyldisilazane (HMDS) at Room Temperature

H. Firouzabadi Chemistry Department, Shiraz University, Shiraz, 71454, Iran

A. R. Sardarian Chemistry Department, Shiraz University, Shiraz, 71454, Iran

Z. Khayat Chemistry Department, Shiraz University, Shiraz, 71454, Iran

B. Karimi Chemistry Department, Shiraz University, Shiraz, 71454, Iran

S. Tangestaninejad Chemistry Department, Shiraz University, Shiraz, 71454, Iran

Abstract

Zn(bipy)₃Cl₂, Fe(bipy)Cl₃, and Fe(tpp)Cl are effective catalysts for silylation of hydroxy groups with HMDS at room temperature in dry CH₃CN. High selectivity is observed between primary and secondary hydroxy functional groups. This method absolutely discriminates other functional groups containing labile hydrogen atoms.

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Nitrogen Ligand Complexes of Metal Chlorides as Effective Catalysts for the Highly Regio- and Chemoselective Silylation of Hydroxyl Groups with Hexamethyldisilazane (HMDS) at Room Temperature

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Nitrogen Ligand Complexes of Metal Chlorides as Effective Catalysts for the Highly Regio- and Chemoselective Silylation of Hydroxyl Groups with Hexamethyldisilazane (HMDS) at Room Temperature

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