New porphyrin-polyoxometalate hybrid materials: synthesis, characterization and investigation of catalytic activity in acetylation reactions

被引：21

作者：

Araghi, Mehdi ^{[2
]}

Mirkhani, Valiollah ^{[1
]}

Moghadam, Majid ^{[1
]}

Tangestaninejad, Shahram ^{[1
]}

Mohammdpoor-Baltork, Iraj ^{[1
]}

机构：

[1] Univ Isfahan, Catalysis Div, Dept Chem, Esfahan 8174673441, Iran

[2] Islamic Azad Univ, Saveh Branch, Dept Chem, Saveh, Iran

来源：

DALTON TRANSACTIONS | 2012年 / 41卷 / 38期

关键词：

HIGH-VALENT METALLOPORPHYRIN; HIGHLY EFFICIENT CATALYST; ALLYL VINYL ETHERS; BY-LAYER METHOD; ACETIC-ANHYDRIDE; REUSABLE CATALYST; SELECTIVE ACETYLATION; TIN(IV) PORPHYRIN; ALCOHOLS; PHENOLS;

D O I：

10.1039/c2dt31553j

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

New hybrid complexes based on covalent interaction between 5,10,15,20-tetrakis(4-aminophenyl)porphyrinatozinc(II) and 5,10,15,20-tetrakis(4-aminophenyl)porphyrinatotin(IV) chloride, and a Lindqvist-type polyoxometalate, Mo6O192-, were prepared. These new porphyrin-polyoxometalate hybrid materials were characterized by H-1 NMR, FT IR and UV-Vis spectroscopic methods and cyclic voltammetry. These spectro- and electrochemical studies provided several spectral data for synthesis of these compounds. Cyclic voltammetry showed the influence of the polyoxometalate on the redox process of the porphyrin ring. The catalytic activity of tin(IV)porphyrin-hexamolybdate hybrid material was investigated in the acetylation of alcohols and phenols with acetic anhydride. The reusability of this catalyst was also investigated.

引用

页码：11745 / 11752

页数：8

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