Synthesis and Characterization of Dibutyltin Compounds with α-Amino Acids

Roberto Santos Barbiéri; Vilma Reis Terra; Allan Kardec Carlos Dias; Walclée De Carvalho Melo; Daniel Rodrigues Silva

doi:10.20944/preprints201608.0239.v1

Preprint Article Version 1 This version is not peer-reviewed

Version 1 : Received: 30 August 2016 / Approved: 31 August 2016 / Online: 31 August 2016 (10:43:02 CEST)

This paper describes the preparation and description of four new complexes [Bu₂Sn(AA)Cl] (AA = glycine, DL-valine and L-leucine) and [Bu₂SnPhen₂] (Phen = DL-phenylalanine) They were characterized by elemental analyses of carbon, hydrogen, nitrogen, chlorine and tin; and by infrared, ^119mSn-Mössbauer and ^119mSn-RMN spectroscopies, and by the applications of TG and DSC techniques in dynamic helium atmosphere. For the [Bu₂Sn(AA)Cl], trigonal bipyramidal tin species, AA were coordinated bidentatedly by the carboxylic oxygen and by the NH₂ group. The [Bu₂SnPhen₂)], with tin atoms in trans-octahedral sites, had the Phen-coordinated by both carboxylic oxygen atoms.

organotin compounds; dibutyltin compounds; tin α-amino acids compounds; thermal decomposition

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Synthesis and Characterization of Dibutyltin Compounds with α-Amino Acids

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