Ebrahim Mehdipour - Department of Chemistry, Faculty of Science, Lorestan University, Khorramabad, Iran
Ehsan Baharlouei - Department of Chemistry, Faculty of Science, Lorestan University, Khorramabad, Iran
Zohre Zarnegar - Department of Chemistry, Payame Noor University, PB BOX ۱۹۳۹۵-۴۶۹۷ Tehran, Iran

Trimethylsilylation of alcohols and phenols were carried out under solvent-free conditions with hexamethyldisilazane (HMDS) using LaCoO3 perovskite. LaCoO3 as an efficient catalyst accelerated this reaction under milder condition. The advantages of this method are evident regarding, easy separation, low cost and low catalyst loading, lack of pollution, easy work-up, and selective protection of primary and secondary alcohols.

Protection, trimethylsilylation, trimethylsilyl ether, hexamethyldisilazane, heterogeneous catalyst