Functionalized cobalt bis(dicarbollide) ions as selective extraction reagents for removal of M2+ and M3+ cations from nuclear waste, crystal and molecular structures of the [8,8′-μ-CIP(O)(O)2(1,2-C2B9H10)2-3,3′-Co]HN(C2H5)3 and [8,8′-μ-Et2NP(O)(O)2(1,2-C2B9H10)2-3,3′-Co](HN(CH3)3)
作者:Jaromı́r Plešek、Bohumı́r Grüner、Ivana Cı́sařová、Jiřı́ Báča、Pavel Selucký、Jiřı́ Rais
DOI:10.1016/s0022-328x(02)01325-6
日期:2002.9
2-C2B9H10)2-3,3′-Co]− (6) with surprisingly high hydrolytic stability. The anticipated anion [8,8′-μ-(HO)(O)-P(O)2(1,2-C2B9H10)2-3,3′-Co]− (7) with phosphoric acid as the bridging substituent was obtained after alkaline hydrolysis of compound 6. The related [8,8′-μ-Ph(O)P(O)2(1,2-C2B9H10)2-3,3′-Co]− (8) derivative was prepared by similar reaction of 3 with PhCl2PO and subsequent hydrolysis. Further developments
导致closo -[(1,2-C 2 B 9 H 11)2 -3,3'-Co] -(1)阴离子1在笼型硼原子上具有含磷取代基的衍生物的可靠的新合成方法已经得到了应用。从其8-OH(2)和8,8'-(OH)2(3)羟基衍生物开始成功开发。的反应2与任一氯3 PO或PhCl 2 PO,接着水解,得到8-(HO)2 POO(4)和[(8- PhPO(OH)O)-1,2--C 2乙9H 10)(1,2-C 2 B 9 H 11)-3,3'-Co] -(5)磷酸化的物质。的Cl类似反应3与PO 3提供含氯桥接产物[8,8'--μ-CLP(O)(O)2 (1,2-C 2乙9 ħ 10)2 -3,3'- Co] -(6)具有极高的水解稳定性。预期的阴离子[8,8'--μ-(HO)(O)-P(O)2 (1,2-C 2乙9 ħ 10)2 -3,3'- CO] -化合物6进行碱水解后,得到(7)以磷酸为桥取代基。相关[8