Sulphonic acids RSO3H (R = CF3, CH3, or C6H4CH3-p) react with mer-[IrH3(PPh3)3], [IrCl(CO)(PPh3)2], and [IrH (CO)(PPh3)3] to afford the products [IrH2(O3SR)(PPh3)3], [IrH(Cl)(O3SR)(CO)(PPh3)2], and [lrH2(CO)(PPh3)3][O3SR] respectively. Under more vigorous conditions the last reaction yields the bis(sulphonate) complexes [IrH(O3SR)2(CO)(PPh3)2]. The lability of the monodentate sulphonate ligands has
磺酸RSO 3 H(R = CF 3,CH 3,或C 6 H ^ 4 CH 3 - p)与反应聚体- [IRH 3(PPH 3)3 ],[的IrCl(CO)(PPH 3)2 ],和[IrH(CO)(PPh 3)3 ]得到产物[IrH 2(O 3 SR)(PPh 3)3 ],[IrH(Cl)(O 3 SR)(CO)(PPh 3)2 ]和[lrH 2(CO)(PPh 3)3 ] [O 3 SR]。在更剧烈的条件下,最后一个反应生成双(
磺酸盐)配合物[IrH(O 3 SR) 2(CO)(PPh 3) 2 ]。单齿
磺酸盐
配体的不稳定性已经通过[1rH 2(O 3 SR)(PPh 3) 3 ]与多种中性供体
配体的取代反应得到证明。以这种方式容易获得的产物包括[IrH 2(CH 3 CN)(PPh 3) 3 ] [O 3 SR],[IrH 2 L 2(PPh 3)]2 ] [O 3 SR] [L =
吡啶,4-
甲基吡啶或P(OPh)