A highly efficient dioxo(μ-oxo)molybdenum(VI) dimer catalyst for olefin epoxidation

Inorganic Chemistry

Volumn 46, Issue 21, 2007, Pages 8508-8510

  Pereira, Cláudia C L ^a   Balula, Salete S ^a   Almeida Paz, Filipe A ^a   Valente, Anabela A ^a   Pillinger, Martyn ^a   Klinowski, Jacek ^b   Gonçalves, Isabel S ^a  

^a UNIVERSITY OF AVEIRO   (Portugal)

^b UNIVERSITY OF CAMBRIDGE   (United Kingdom)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 35648968119     PISSN: 00201669     EISSN: None     Source Type: Journal    
DOI: 10.1021/ic701746r     Document Type: Article

References (22)

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11. 4 signals are resolved in the 6.3-7.1 ppm range with integrals of 1 H each).
12. int = 0.0308). Final R1 = 0.0259 [I > 2σ(I)] and wR2 = 0.0616 (all data). Data completeness to θ = 27.49°, 99.3%. CCDC 639310.
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16. The catalytic epoxidations were carried out at 328 K and atmospheric pressure in a reaction vessel equipped with a magnetic stirrer. The reactions were followed by gas chromatography (GC; Varian 3900, column DB-5, 30 m x 0.25 mm, or CyclosilB, 30 m x 0.25 mm) and GC-mass spectrometry (HP 5890 series II GC; HP 5970 series mass selective detector) using helium as the carrier gas. For the cyclooctene/TBHP system, complex 1 only partially dissolved, and after a catalytic run, the undissolved solid could be separated by centrifugation. Prior to reuse, the recovered solid was washed thoroughly with hexane and dried under reduced pressure.
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