Type:

Metalloporphirins catalyze regio and chemoselective silylation of hydroxy groups with hexamethyldisilazane (HMDS)

Journal: Iranian Journal Of Chemistry And Chemical Engineering (10219986)Year: 1996Volume: 15Issue: Pages: 54 - 56

Firouzabadi H.Khayat Z.Tangestaninejad S.^a

a :University of Isfahan - IRAN(IR) - Isfahan

Language: English

Abstract

Metalloporphirins; Cu(TPP),Mn(TPP)Cl,Co(TPP), Fe(TPP)Cl, Zn(TPP), and Mn(OBP)Cl catalyze regio and chemoselective silylation of hydroxy groups with HMDS. Fe(TPP)Cl is the most effective catalyst and silylation occurs immediately in its presence at room temperature.