Ruthenium half-sandwich complexes with tautomerized pyrazolyl-pyridazine ligands: Synthesis, spectroscopic and molecular structural studies
作者:Gajendra Gupta、Kota Thirumala Prasad、Babulal Das、Glenn P.A. Yap、Kollipara Mohan Rao
DOI:10.1016/j.jorganchem.2009.03.043
日期:2009.7
pyrazolyl-pyridazine ligands, viz., (i) products of substitution on one side of the pyridazine as 3-chloro-6-(pyrazolyl)pyridazine (Cl–L1), 3-chloro-6-(3,5-dimethylpyrazolyl)pyridazine (Cl–L2) and 3-chloro-6-(3-methylpyrazolyl)pyridazine (Cl–L3), and (ii) products of substitution on both sides such as 3,6-bis(pyrazolyl)pyridazine (L1), 3,6-bis(3,5-dimethylpyrazolyl)pyridazine (L2) and tautomers of 3,6-bis(
1,4-二氯哒嗪与吡唑,3,5-二甲基吡唑和3-甲基吡唑的缩合产生了两种类型的吡唑基-哒嗪配体,即,(i)哒嗪一侧的取代产物为3-氯-6- (吡唑基)哒嗪(Cl–L1), 3-氯-6-(3,5-二甲基吡唑基)哒嗪(Cl–L2)和3-氯-6-(3-甲基吡唑基)哒嗪(Cl–L3)和( ii)两侧的取代产物,例如3,6-双(吡唑基)哒嗪(L1),3,6-双(3,5-二甲基吡唑基)哒嗪(L2)和3,6-双(3-t互变异构体)甲基吡唑基)哒嗪(L3)。的η反应6 -areneruthenium络合物的甲醇溶液与上面提到的吡唑基-哒嗪配位体形成的类型[单核络合物(η 6-arene)的Ru(CL-L)(CL)] +和[(η 6 -arene)的Ru(L)(CL)] + ; (芳烃=苯和对甲基苯甲基; Cl–L = Cl–L1,Cl–L2,Cl–L3; L = L1,L2,L3)。所有这些配合物的特征在