Tri-n-butyl(N-maleoyl-β-alaninato)tin

Article abstract of DOI:10.1107/S010827019900743X

The Sn atom in [Sn(C₄H₉)₃(C₇H₆NO ₄)]_n adopts a distorted trigonal-bipyramidal geometry, with three n-butyl groups defining the trigonal plane [mean Sn-C distance 2.145 (1) A] and the axial positions occupied by the O atoms of different carboxylate groups having significantly different Sn-O bond lengths [2.215 (5) and 2.424 (5) A]. The structure forms a polymeric chain of complex molecules linked via carboxylate moieties. ? Alternative name: catena-poly[[trimethyltin(IV)]-μ-[3-(2,5-dioxo-3-pyrazolin-1-yl)propionoato- O:O′]].