Synthesis and catalytic activity of Mo(II) complexes of α-diimines intercalated in layered double hydroxides

被引：11

作者：

Marreiros, Joao ^{[1
]}

Diaz-Couce, Maria ^{[1
]}

Ferreira, Maria Joao ^{[2
,3
]}

Vaz, Pedro D. ^{[4
,5
]}

Calhorda, Maria Jose ^{[1
,6
]}

Nunes, Carla D. ^{[1
,2
,3
]}

机构：

[1] Univ Lisbon, Fac Ciencias, Ctr Quim & Bioquim, P-1749016 Lisbon, Portugal

[2] Univ Lisbon, Fac Ciencias, Ctr Quim Estrutural, P-1049001 Lisbon, Portugal

[3] Univ Lisbon, Inst Super Tecn, P-1049001 Lisbon, Portugal

[4] Rutherford Appleton Lab, ISIS Neutron & Muon Source, Didcot OX11 0QX, Oxon, England

[5] Univ Aveiro, Dept Chem, CICECO Aveiro Inst Mat, P-3810193 Aveiro, Portugal

[6] Univ Lisbon, Fac Ciencias, Dept Quim & Bioquim, BioISI Biosyst & Integrat Sci Inst, P-1749016 Lisbon, Portugal

来源：

INORGANICA CHIMICA ACTA | 2019年 / 486卷

关键词：

Catalysis; Molybdenum; BIAN; Epoxidation; Layered double hydroxides; ELECTROSTATIC INTERACTIONS; EPOXIDATION CATALYSTS; AMINO-ACIDS; IMMOBILIZATION; MOLYBDENUM; PRECURSORS; EXCHANGE; BEHAVIOR; ANIONS;

D O I：

10.1016/j.ica.2018.10.062

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The two layered double hydroxides ZnAl-LDH and MgAl-LDH were functionalized with bis(4-HOOC-phenyl)acenaphthenequinonediimine) (H(2)BIAN), leading to the intercalation of its dianion, which in a second step reacted with [Mo(CO)(3)X-2(NCMe)(2)] (X = I, Br), affording four new materials. These materials and the two complexes [Mo(CO)(3)X-2 (H(2)BIAN)(2)] (X = I, Br) were tested in the olefin epoxidation reaction with substrates cis-cyclooctene, styrene, 1-octene, trans-hex-3-en-1-ol, and R-(+)-limonene, using tert-butylhydroperoxide (tbhp) as oxidant. The new catalysts were particularly good for cis-cyclooctene and styrene (100% conversions) and at least one heterogeneous catalyst was comparable to the homogeneous ones in the epoxidation of 1-octene and trans-hex-3-en-1-ol. The homogeneous catalysts were the best to oxidize R-(+ )-limonene (higher conversions).

引用

页码：274 / 282

页数：9

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