4-methylpyridine or picoline (pic)) were prepared for comparison of the chemical reactivity between ammine and pyridine ligands. The X-ray crystal structure determination for trans-[PtCl(Me(2)SO)(py)(2)]NO(3) confirmed the geometry with S-bound Me(2)SO. The crystals are orthorhombic, space group P2(1)2(1)2(1), with cell dimensions a = 7.888(2) A, b = 14.740(3) A, c =15.626(5) A, and Z = 4. The geometry
反式复合物,例如反式-[PtCl(2)(NH(3))(2)]在历史上一直被认为是无治疗活性的。平面
配体如
吡啶的使用大大增强了反式几何结构的细胞毒性。反式-[PtCl(R'R''SO)(A)(2)] NO(3)(R'R''SO =取代的亚砜,例如二甲基(Me(2)SO),甲基苄基(MeBzSO )和
甲基苯基亚砜(MePhSO)和A = NH(3),
吡啶(py)和4-
甲基吡啶或
甲基吡啶(pic))的制备,用于比较胺和
吡啶配体之间的
化学反应性。反式-[PtCl(Me(2)SO)(py)(2)] NO(3)的X射线晶体结构测定证实了S结合的Me(2)SO的几何结构。晶体是正交晶体,空间群P2(1)2(1)2(1),晶胞尺寸为a = 7.888(2)A,b = 14.740(3)A,c = 15.626(5)A和Z = 4。
铂原子周围的几何形状为正方形平面,l(Pt-Cl)= 2.304(4)A,l(Pt-S)=