Performance of chiral tetracarbonylmolybdenum pyrindanyl amine complexes in catalytic olefin epoxidation

被引：8

作者：

Neves, Patricia ^{[1
]}

Nogueira, Lucie S. ^{[1
]}

Valente, Anabela A. ^{[1
]}

Pillinger, Martyn ^{[1
]}

Goncalves, Isabel S. ^{[1
]}

Sampaio-Dias, Ivo E. ^{[2
]}

Sousa, Carlos A. D. ^{[2
]}

Rizzo-Aguiar, Fabio ^{[3
]}

Rodriguez-Borges, Jose E. ^{[2
]}

机构：

[1] Univ Aveiro, CICECO Aveiro Inst Mat, Dept Chem, Campus Univ Santiago, P-3810193 Aveiro, Portugal

[2] Univ Porto, Fac Sci, Dept Chem & Biochem, LAQV REQUIMTE, P-4169007 Oporto, Portugal

[3] IFSP Fed Inst Educ Sci & Technol Sao Paulo, Campus Sao Paulo, BR-01109010 Sao Paulo, SP, Brazil

来源：

JOURNAL OF ORGANOMETALLIC CHEMISTRY | 2018年 / 858卷

关键词：

Molybdenum; Tetracarbonyl complexes; Olefin epoxidation; Chiral ligands; 1-pyrindane derivatives; Oxidative decarbonylation; ALTERNATING COPOLYMERIZATION; HYDROGEN-PEROXIDE; HYBRID MATERIALS; MOLYBDENUM; LIMONENE; OCTAMOLYBDATE; CARBONYL; PRECURSORS; ALCOHOL; ROUTE;

D O I：

10.1016/j.jorganchem.2018.01.003

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Tetracarbonylmolybdenum(0) complexes of the type cis-[Mo(CO)(4)(L)] containing chiral 7-(1-pyrindanyl) amine ligands were prepared and found to be effective precatalysts for the epoxidation of achiral (cis-cyclooctene) and prochiral (DL-limonene and trans-beta-methylstyrene) olefins at 55 degrees C. Epoxides were the only products formed from cis-cyclooctene (100% yield) and trans-b-methylstyrene (100% selectivity at 82-85% conversion), and the main products formed from DL-limonene (80-82% 1,2-epoxide selectivity at 85% conversion). Characterization of recovered catalysts revealed that the precatalysts were transformed in situ to stable polyoxomolybdate salts containing the beta-octamolybdate anion [beta-Mo8O26](4-), which was responsible for the catalytic reaction. (c) 2018 Elsevier B.V. All rights reserved.

引用

页码：29 / 36

页数：8

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