couples [Os(NO)(pybuS4)]+1/0 and [Os(NO)(pybuS4)]0/−1, respectively. 2 reacts with NaAlH4 to produce Na[Os(H)(pybuS4)] (3), which exhibits a typical hydride resonance in the 1H NMR spectrum at δ = −15.03 ppm. Protonation of 3 with HBF4/CD3OD at 20 °C rapidly releases H2/HD to afford the dinuclear complex [Os(pybuS4)]2 (4). Low temperature 1H and 2H NMR spectra of 3 in [D8]THF with CH3OH or CD3OD at −80 °C
富
硫的亚
硝酰基络合物Bu 4 N [Os(NO)(bu S 2)2 ](1)[ bu S 2 2- = 3,5-叔丁基-1,2-苯二
硫代(2-)]和[Os(NO)(py bu S 4)] Br(2)[py bu S 4 2- = 2,6-双(2-
硫烷基-3,5-二
叔丁基苯硫基)二
甲基吡啶(2-) ]已经合成。1的分子结构呈现方形
金字塔形的几何结构,其中NO基团位于顶端位置。具有两个
硫醇盐和两个伪八面体几何形状的
硫醚供体的反式构型被发现为2。化合物2在E 1/2 = 0.51和-0.46 V vs时显示了两个准可逆单电子氧化还原波。氧化还原对的NHE分别为[Os(NO)(py bu S 4)] + 1/0和[Os(NO)(py bu S 4)] 0 / -1。2与NaAlH 4反应生成Na [Os(H)(py bu S 4)](3),其在1 H NMR光谱中在δ = -15.03 ppm时表