C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 45/48 (2006.01) C07C 49/385 (2006.01) C07C 49/587 (2006.01)
Patent
CA 2492553
The invention relates to a method for producing macrocyclic ketones of general formula (I) by direct cyclisation of compounds of general formula (II) in the gas phase on a heterogeneous catalyst. In general formula (I), X represents a monounsaturated or polyunsaturated or saturated C10-C17 alkyl radical which can be optionally substituted by a C1-C6 alkyl radical, and in general formula (II), R1, R2 can respectively be the same or different and represent hydrogen or C1-C6 alkyl, and X has the above-mentioned designation.
L'invention concerne un procédé de production de cétones macrocycliques de formule générale (I), par cyclisation directe de composés de formule (II), en phase gazeuse sur un catalyseur hétérogène. Dans ladite formule (I), X représente un groupe alkyle C¿10?-C<SB>17</SB> monoinsaturé, polyinsaturé, monosaturé ou polysaturé qui peut être substitué par un groupe alkyle C¿1?-C¿6?, et dans ladite formule (II) R¿1? et R¿2? peuvent respectivement et indépendamment l'un de l'autre être identiques ou différents et représenter hydrogène ou alkyle C¿1?-C¿6?, et X est tel que défini précédemment.
Ebel Klaus
Hieber Gisela
Wartini Alexander
Weigl Hagen
Basf Aktiengesellschaft
Robic
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