Monoorganooxotin cage, diorganotin ladders, diorganotin double chain and triorganotin single chain formed with phosphonate and arsonate ligands

Abstract

The solvothermal reaction of n-BuSn(O)OH with PhPO₃H₂ afforded the hexanuclear monoorganooxotin phosphonate cage, {[(n-BuSn)₃(MeO)₃O]₂(O₃PPh)₄}·MeOH 1. When the n-Bu₂Sn(PhCO₂)₂ precursor reacted with PhPO₃H₂ in a 1 : 1 stoichiometric ratio, the diorganotin phosphonate ladder [n-Bu₂SnO₃PPh]_n2 was obtained. The reaction of [n-Bu₂(PrO)Sn]₂O with 4-OH-3-NO₂-C₆H₃AsO₃H₂ affords the diorganotin arsonate ladder [n-Bu₂Sn(4-OH-3-NO₂-C₆H₃AsO₃)]_n3, while the reaction of [n-Bu₂(PrO)Sn]₂O with 4-NO₂-C₆H₄AsO₃H₂ and 4-Me-C₆H₄SO₃H gives an diorganotin double chain [n-Bu₂Sn(4-Me-C₆H₄SO₃)(4-NO₂-C₆H₄AsO₃H)]_n4, which contains both sulfonate and arsonate ligands. The reaction of 4-NO₂-C₆H₄AsO₃H₂, EtONa, and Ph₃SnCl yields a new triorganotin arsonate single chain [(Ph₃Sn)₄(4-NO₂-C₆H₄AsO₃)₂·H₂O]_n5. The NMR (¹H, ¹³C, ¹¹⁹Sn) spectra of compounds 1 and 4 were studied.