The modification of ArSCH2(3,5-Me2Pz) (Ar = phenyl or 2-pyridyl, Pz = pyrazol-1-yl) by organotin group and related reactions
作者:Yun-Fu Xie、Guang-Tong Zeng、Hai-Bin Song、Liang-Fu Tang
DOI:10.1016/j.jorganchem.2010.06.006
日期:2010.9
Pz = pyrazol-1-yl] with Mo(CO)6 produces complexes ArSCH2(3,5-Me2Pz)Mo(CO)4, while similar reaction with W(CO)6 yields analogous complexes ArSCH2(3,5-Me2Pz)W(CO)4 and concomitant desulfurized complex (3,5-Me2PzH)W(CO)5 in the reaction of PhSCH2(3,5-Me2Pz). Succedent treatment of complexes PhSCH2(3,5-Me2Pz)M(CO)4 with SnCl4 gives heterobimetallic complexes PhSCH2(3,5-Me2Pz)M(CO)3(Cl)(SnCl3) (M = Mo or W) in good yields
1-芳硫基甲基-3,5-二甲基吡唑[ArSCH 2(3,5-Me 2 Pz),Ar =苯基或2-吡啶基,Pz =吡唑-1-基]与Mo(CO)6反应生成络合物ArSCH 2(3,5-Me 2 Pz)Mo(CO)4,而与W(CO)6的相似反应产生类似的络合物ArSCH 2(3,5-Me 2 Pz)W(CO)4和伴随的脱硫络合物(3,PhSCH 2(3,5-Me 2 Pz)反应中的5-Me 2 PzH)W(CO)5。复合物PhSCH 2(3,5-Me 2 Pz)M(CO)4的成功处理用SnCl 4生成杂双金属配合物PhSCH 2(3,5-Me 2 Pz)M(CO)3(Cl)(SnCl 3)(M = Mo或W)的产率很高。ArSCH 2(3,5-Me 2 Pz)通过上述配合物中的硫和吡唑基氮原子充当S,N螯合双齿配体。已成功进行了亚甲基上有机锡基团对ArSCH 2(3,5-Me 2 Pz)的修饰,从而生成了功能化的配体Ph