C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 51/145 (2006.01)
Patent
CA 2675963
The present invention concerns a new efficient method for the selective transformation, under mild conditions and in aqueous medium, of gaseous (ethane, propane and n-butane) and liquid (n-pentane, n-hexane, cyclopentane and cyclohexane) alkanes into carboxylic acids bearing one more carbon atom, characterized by a single-pot low- temperature (25-60 °C) reaction of the alkane with carbon monoxide in water/acetonitrile liquid medium, either in the absence or in the presence of a metal catalyst, in systems containing also an oxidant (a peroxodisulphate salt).
La présente invention porte sur un nouveau procédé efficace permettant la transformation sélective, dans des conditions douces et dans un milieu aqueux, d'alcanes gazeux (éthane, propane et n-butane) ou liquides (n-pentane, n-hexane, cyclopentane et cyclohexane) en acides carboxyliques portant un atome de carbone supplémentaire, caractérisé par une réaction à basse température (de 25 à 60 °C), dans un seul pot, de l'alcane avec un monoxyde de carbone, dans un milieu liquide eau/acétonitrile, en l'absence ou en présence d'un catalyseur métallique, dans des systèmes contenant également un oxydant (un sel de peroxodisulfate).
Frausto Da Silva Joao
Kirillov Alexander
Kirillova Marina
Pombeiro Armando
Silva Jose Armando
Gowling Lafleur Henderson Llp
Instituto Superior Tecnico
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