%0 Generic
%A Bar-Nahum, Itsik
%A Ettedgui, Jessica
%A Konstantinovski, Leonid
%A Kogan, Vladimir
%A Neumann, Ronny
%D 2007
%T A New Method for the Synthesis of Organopolyoxometalate Hybrid
Compounds
%U https://acs.figshare.com/articles/dataset/A_New_Method_for_the_Synthesis_of_Organopolyoxometalate_Hybrid_Compounds/2997796
%R 10.1021/ic700540g.s002
%2 https://acs.figshare.com/ndownloader/files/4698823
%K polyoxometalate cluster
%K New Method
%K compound
%K acid
%K PSn
%K quaternary ammonium salt
%K 119 Sn
%K amine moiety
%K Organopolyoxometalate Hybrid Compounds
%K amines
%K 1 H
%K 2 W 11 O 39
%K 15 N
%K 31 P
%K nucleophile
%K 183 W NMR
%X The reaction of a quaternary ammonium salt of the tin chloride-substituted polyoxometalate, [PSn(Cl)W11O39]4-,
with a variety of n-nucleophiles including primary, secondary, and tertiary amines and a tertiary phosphine, yielded
tin-centered Lewis acid−base adducts, [PSn(Cl)W11O39]4-−n-nucleophile; with more nucleophilic secondary amines
such as diisopropylamine, apparently some [PSnN[CH(CH3)2]2W11O39]4- was formed as a minor product. The
compounds were identified by 1H, 119Sn, 15N, 31P, and 183W NMR, ESI-MS, and elemental analyses. The key
connectivity of the Sn−Cl center with the amine was clarified by the observation of 3J Sn−H couplings (Sn from the
polyoxometalate cluster and H from the amine moiety) in a 2D 119Sn−1H heteronuclear multiple-bond correlation
NMR experiment. This new, rather simple synthetic method was also utilized for preparing amino acid−polyoxometalate
hybrid compounds.
%I ACS Publications