Issue 14, 2016

Monoorganoantimony(v) phosphonates and phosphoselininates

Abstract

Molecular oxo-hydroxo clusters have been synthesized by reactions of arylstibonic acids with organophosphonic acid and phenylseleninic acid. Single crystal X-ray structural elucidation revealed the formation of [(p-i-PrC6H4Sb)4(OH)4(t-BuPO3)6] (1), [(p-t-BuC6H4Sb)4(O)2(PhPO3)4(PhPO3H)4] (2), [(p-i-PrC6H4Sb)4(O)3(OH)(PhSeO2)2(t-BuPO3)4(t-BuPO3H2)2] (3), [(p-MeC6H4Sb)4(O)3(OH)(PhSeO2)2(t-BuPO3)4(t-BuPO3H2)2] (4) and [(p-t-BuC6H4Sb)2(O) (PhSeO2)2(t-BuPO3H)4] (5) respectively. Mass spectral studies reveal that the clusters maintain their structural integrity in solution as well. Solution NMR studies (1H, 31P and 77Se) show spectral patterns which correlate well with the observed solid state structures of 1–5.

Graphical abstract: Monoorganoantimony(v) phosphonates and phosphoselininates

Supplementary files

Article information

Article type
Paper
Submitted
05 Sep 2015
Accepted
27 Nov 2015
First published
03 Dec 2015

Dalton Trans., 2016,45, 6269-6274

Author version available

Monoorganoantimony(V) phosphonates and phosphoselininates

U. Ugandhar and V. Baskar, Dalton Trans., 2016, 45, 6269 DOI: 10.1039/C5DT03449C

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