A recipe for the synthesis of diorganotin(iv) phosphonates in a colloidal regime by a solution based approach

Abstract

This study presents the synthesis of diorganotin(IV) phosphonates,Et or Ph] and Sn {O 3 P(CH 2 ) 3 SiR 1 R 2 2 } 2 featuring rod, rosette and spherical morphologies. The presence of silaalkylphosphonate ligands in the structural framework facilitates the transformation of bulk samples into a nano/ colloidal domain by a facile solution based approach. The colloidal particles show enhanced antimicrobial activity against B. Subtilis bacteria as compared to their bulk counterparts. 2 9606136 † Electronic supplementary information (ESI) available: Experimental details and characterization of the samples. See

Synthesis, Characterization, and Hydrolytic Behavior of Diorganotin(IV) Coordination Polymers with Layered Structural Motifs

“…This intrinsic property has been utilized to transform the bulk samples into colloidal dispersions featuring rod, rosette, and spherical morphologies. [13] The present study is an extension of our work on the use of silaalkylphosphonic acids RR…”

“…The structural identity of these compounds has been further established by comparison of the 31 P and 119 Sn NMR spectroscopic data with those of authenticated samples, which are accessible by the direct reaction of dialkyltin oxide and the corresponding silaalkylphosphonic acid under azeotropic dehydration conditions. [13] Although the mechanism for this transformation is not yet clear, it is surmised that trace amounts of water play a significant role in the facilitation of the elimination of methanesulfonic acid by the abstraction of protons from the hydrogenphosphonate [RP(O)(OH)O] -groups in 1 and 2.…”