Method for oxidising substituted hydrocarbon derivatives
The invention concerns a method for controlled oxidation of a substituted hydrocarbon substrate, consisting in contacting said substituted hydrocarbon substrate with a source of oxygen in the presence of at least a catalyst selected among those whereof the active phase is obtained from a heteropolya...
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Main Authors | , , |
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Format | Patent |
Language | English |
Published |
22.02.1999
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Edition | 6 |
Subjects | |
Online Access | Get full text |
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Abstract | The invention concerns a method for controlled oxidation of a substituted hydrocarbon substrate, consisting in contacting said substituted hydrocarbon substrate with a source of oxygen in the presence of at least a catalyst selected among those whereof the active phase is obtained from a heteropolyacid of formula (I): Hf[CcDdEeOx] in which: C represents Mo and/or W; D represents phosphorus, arsenic, antimony, silicon, germanium and/or boron; E represents an element selected among vanadium optionally in combination with at least a metal of columns VA, VIIA, VIII or chromium; x being the oxygen number required to observe valences; A represents at least a monovalent cation; B represents VO<2+>, VO<3+>, an ion of an alkaline-earth metal or of one metal of columns VIIA, VIII, IB, IVB and VB of the periodic table of elements; f = a + alpha b with alpha being the ion B charge, i.e. equal to 2, 3 or 4; c varies between 5 and 20 inclusively; d varies between 1 and 5 inclusively; e varies between 1 and 9 inclusively; and said substrate has a chain > CH- bearing an electroattractive group (or atom). The invention is applicable to organic synthesis. |
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AbstractList | The invention concerns a method for controlled oxidation of a substituted hydrocarbon substrate, consisting in contacting said substituted hydrocarbon substrate with a source of oxygen in the presence of at least a catalyst selected among those whereof the active phase is obtained from a heteropolyacid of formula (I): Hf[CcDdEeOx] in which: C represents Mo and/or W; D represents phosphorus, arsenic, antimony, silicon, germanium and/or boron; E represents an element selected among vanadium optionally in combination with at least a metal of columns VA, VIIA, VIII or chromium; x being the oxygen number required to observe valences; A represents at least a monovalent cation; B represents VO<2+>, VO<3+>, an ion of an alkaline-earth metal or of one metal of columns VIIA, VIII, IB, IVB and VB of the periodic table of elements; f = a + alpha b with alpha being the ion B charge, i.e. equal to 2, 3 or 4; c varies between 5 and 20 inclusively; d varies between 1 and 5 inclusively; e varies between 1 and 9 inclusively; and said substrate has a chain > CH- bearing an electroattractive group (or atom). The invention is applicable to organic synthesis. |
Author | MICHEL GUBELMANN-BONNEAU HERVE PONCEBLANC CLAIRE POIX-DAVAINE |
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Snippet | The invention concerns a method for controlled oxidation of a substituted hydrocarbon substrate, consisting in contacting said substituted hydrocarbon... |
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SubjectTerms | ACYCLIC OR CARBOCYCLIC COMPOUNDS APPARATUS THEREFOR CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY GENERAL METHODS OF ORGANIC CHEMISTRY METALLURGY ORGANIC CHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING |
Title | Method for oxidising substituted hydrocarbon derivatives |
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