A New Class of Eight-Membered Sn<sub>2</sub>P<sub>2</sub>O<sub>4</sub> Heterocycles. Crystal Structure and Electrolytic Dissociation in Solution of <i>c</i><i>yclo</i>-[R<sub>2</sub>Sn(OPPh<sub>2</sub>O)<sub>2</sub>SnR<sub>2</sub>](O<sub>3</sub>SCF<sub>3</sub>)<sub>2</sub> (R = Me, <i>t</i>-Bu)
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https://figshare.com/articles/dataset/A_New_Class_of_Eight-Membered_Sn_sub_2_sub_P_sub_2_sub_O_sub_4_sub_Heterocycles_Crystal_Structure_and_Electrolytic_Dissociation_in_Solution_of_i_c_i_i_yclo_i_-_R_sub_2_sub_Sn_OPPh_sub_2_sub_O_sub_2_sub_SnR_sub_2_sub_O_sub_3_sub_SCF_sub_3_sub_sub_2_sub_R_M/3775107
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资源简介：
The syntheses of cyclo-[R2Sn(OPPh2O)2SnR2](O3SCF3)2 (R = Me (1), t-Bu (2)) by the consecutive
reaction of R2SnO (R = Me, t-Bu) with triflic acid and
diphenylphosphinic acid are presented. In the solid state,
1 and 2 were investigated by 119Sn MAS and 31P MAS
NMR spectroscopy as well as X-ray crystallography and
appear to exist as ion pairs of cyclo-[R2Sn(OPPh2O)2SnR2]2+ dications and triflate anions. In solution, 1 and
2 are involved in extensive equilibria processes featuring
cationic diorganotin(IV) species with Sn−O−P linkages,
as evidenced by 119Sn and 31P NMR spectroscopy,
electrospray mass spectrometry, and conductivity measurements.
创建时间：
2016-08-26
