Methyltrioxorhenium catalysis in nonconventional solvents: a great catalyst in a safe reaction medium.
The requirement that chemical processes are sustainable, reflected in waste reduction and the use of safe reagents and reaction conditions, is becoming even more stringent as a result of pressure by society and governments to preserve the environment and protect human health. Catalysis offers numerous benefits related to green chemistry, including lowered energetic reaction requirements; catalytic, rather than stoichiometric, amounts of materials; increased selectivity; lowered consumption of processing and separation agents; and, in many cases, the use of less-toxic compounds. Our research group has for a long time been studying methyltrioxorhenium in the oxyfunctionalization of different substrates, by using H(2)O(2) or its urea-hydrogen peroxide complex as the primary oxidant. In this Review paper we aim to provide a full literature account on the catalytic activity and selectivity of methyltrioxorhenium in the oxyfunctionalization reaction, either in nonconventional solvents or under solvent-free conditions, with a particular emphasis on the use of ionic liquids as green reaction media.
Crucianelli
Marcello
M
Dipartimento di Chimica, Ingegneria Chimica e Materiali, Università dell'Aquila, Via Vetoio, 67100 L'Aquila, Italy. marcello.crucianelli@univaq.it
Saladino
Raffaele
R
De Angelis
Francesco
F
D002384:Catalysis; D055772:Green Chemistry Technology / Q000379:methods*; D052578:Ionic Liquids / Q000737:chemistry; D009942:Organometallic Compounds / Q000737:chemistry*; D010084:Oxidation-Reduction; D012997:Solvents / Q000737:chemistry*
D052578:Ionic Liquids; D009942:Organometallic Compounds; D012997:Solvents; C411866:methyltrioxorhenium VII