Synthesis of Silica-Supported Platinum(II) and Nickel(II) Complexes of Bis(Diphenylphosphinomethyl)Amino Ligand: Applications as Catalysts for the Synthesis of 2-Methyl-1,4-Naphthoquinone (Vitamin K3)

被引:14
|
作者
Urus, Serhan [1 ]
Keles, Mustafa [2 ]
Serindag, Osman [3 ]
机构
[1] Sutcu Imam Univ, Univ Ind Publ, Res Dev & Applicat Ctr, TR-46100 Kahramanmaras, Turkey
[2] Osmaniye Korkut Ata Univ, Dept Chem, Fac Sci & Letters, TR-80000 Osmaniye, Turkey
[3] Cukurova Univ, Fac Sci & Letters, TR-01330 Adana, Turkey
关键词
Vitamin K-3; Menadione; Phosphines; Naphthoquinones; Oxidation; Silica-supported catalyst; BAEYER-VILLIGER OXIDATION; PALLADIUM COMPLEXES; HYDROGEN-PEROXIDE; CRYSTAL-STRUCTURE; PHOSPHINES; ARENES;
D O I
10.1007/s10904-010-9328-y
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
Pt(II) and Ni(II) complexes of N,N-bis(diphenylphosphinomethyl)aminopropyltriethoxysilane [(CH3CH2O)(3)Si(CH2)(3)N(CH2PPh2)(2)] (DIPAPTES) and silica supported [SiO2-(DIPAPES)] ligands have been synthesized under nitrogen atmosphere using Schlenk method and characterized by using atomic absorption, FT-IR, NMR (H-1 and P-31) and elemental analysis techniques. All the complexes were used as catalysts for the oxidation of 2-methyl naphthalene (2MN) to 2-methyl-1,4-naphthoquinone (vitamin K-3, menadione, 2MNQ) using hydrogen peroxide as a clean and cheap oxidant. [Pt-(DIPAPTES)Cl-2] and supported complex [SiO2-(DIPAPES)-PtCl2] showed medium catalytic activity whereas Ni(II) complexes did not show any catalytic activity for the selective oxidation of 2-methyl naphthalene to 2-methyl-1,4-naphthoquinone.
引用
收藏
页码:152 / 160
页数:9
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