Octacarboxy Spherosilicate

Abstract

Significance: Reported is an efficient method to synthesize octacarboxy spherosilicate, OCPDS. It was converted from ODMPS by bromination and then hydrolysis in the presence of AgNO 3 and formic acid. The structure of ODMPS and OCPDS were both confirmed by FT-IR, 1 H NMR, 13 C NMR, 29 Si NMR, ESI-MS, and elemental analysis.