The cyclic 48-tungsto-8-phosphate [H₇P₈W₄₈O₁₈₄]³³⁻ Contant–Tézé polyanion and its derivatives [H₆P₄W₂₄O₉₄]¹⁸⁻ and [H₂P₂W₁₂O₄₈]¹²⁻: structural aspects and reactivity

This review is based on the cyclic 48-tungsto-8-phosphate [H 7 P 8 W 48 O 184 ] 33− ( P 8 W 48 ) as well as its smaller derivatives [H 6 P 4 W 24 O 94 ] 18− ( P 4 W 24 ), and [H 2 P 2 W 12 O 48 ] 12− ( P 2 W 12 ), with a focus on structural aspects, solution stability and reactivity.