Methalloporphirins Catalyze Regio and Chemoselective Silylation of Hydroxy Groups with Hexamethyldisilazane (HMDS)
نویسندگان
1 Department of Chemistry, Faculty of Science, Shiraz University, Postcode 71454, Shiraz, I.R. IRAN
2 Department of Chemistry, Faculty of Science, Shiraz University, Postcode 71454, Shiraz, I.R. IRAN
3 Department of Chemistry, Faculty of Science, Shiraz University, Postcode 71454, Shiraz, I.R. IRAN
4 Department of Chemistry, Faculty of Science, Shiraz University, Postcode 71454, Shiraz, I.R. IRAN
doi
10.30492/ijcce.1996.10431چکیده
Metalloporphirins; Cu(TPP), Mn(TPP)Cl, CO(TPP), Fe(TPP)Cl, zn(TPP) and Mn(OBP)Cl catalyze region and chemoselective silylation of hydroxyl groups with HMDS. Fe(TPP)Cl is the most effective catalyst and silylation occurs immediately in its presence at room temperature.