Saha, S.; Zakharov, L.N.; Captain, B.; Keszler, D.A.
(Journal of Cluster Science, 32(3), 2021: 693-702)
Sodium tungstate reacted with tetramethyl- and tetrabutyl-phosphonium bromide in presence of hydrochloric acid to afford two new phosphonium hexatungstate compounds ((CH3)(4)P)(2)W6O19,1, and ((CH3CH2CH2CH2)(4)P)(2)W6O19,2, ...