The role of μ-hydroxy and μ-alkoxy binuclear complexes in tin(IV)-catalysed urethane formation

Article abstract of DOI:10.1016/0022-328X(96)06175-X

It is proposed that at the catalyst concentrations normally used the distannoxane-catalysed formation of urethanes from isocyanates and alcohols involves the monomeric form of the distannoxane rather than the dimeric form as previously suggested, and that