CATALYTIC OXIDATION OF URONIC ACIDS TO ALDARIC ACIDS
Disclosed is the oxidation of uronic acids, such as galacturonic acid, to the corresponding aldaric acids (characterized by the formula HOOC-(CHOH)n-COOH, with n being an integer of from 1 to 5) such as galactaric acids. The starting material comprising the uronic acid is subjected to oxygen under t...
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| creator | FRISSEN, AUGUSTINUS EMMANUEL VAN ES, DANIEL STEPHAN VAN DER KLIS, FRITS VAN HAVEREN, JACOBUS VAN ENGELEN, GERARDUS PETRUS FRANCISCUS MARIA RAAIJMAKERS, HENRICUS WILHELMUS CAROLINA |
| description | Disclosed is the oxidation of uronic acids, such as galacturonic acid, to the corresponding aldaric acids (characterized by the formula HOOC-(CHOH)n-COOH, with n being an integer of from 1 to 5) such as galactaric acids. The starting material comprising the uronic acid is subjected to oxygen under the influence of a supported gold catalyst and in the presence of a base. The oxidation occurs in good selectivity and yield, under unexpectedly mild conditions. A source of galacturonic acids is pectin, such as that derived from sugar beet pulp.
L'Invention concerne l'oxydation d'acides uroniques, tels que l'acide galacturonique, en acides aldariques correspondants (caractérisés par la formule HOOC- (CHOH) n-COOH, n étant un nombre entier allant de 1 à 5) tels que les acides galactariques. Le matériau de départ comportant de l'acide uronique est soumis à de l'oxygène sous l'influence d'un catalyseur à l'or supporté et en présence d'une base. L'oxydation se produit à une bonne sélectivité et rendement, dans des conditions modérées de façon inattendue. Une source d'acides galacturoniques est la pectine, telle que celle dérivée de pulpe de betterave sucrière. |
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L'Invention concerne l'oxydation d'acides uroniques, tels que l'acide galacturonique, en acides aldariques correspondants (caractérisés par la formule HOOC- (CHOH) n-COOH, n étant un nombre entier allant de 1 à 5) tels que les acides galactariques. Le matériau de départ comportant de l'acide uronique est soumis à de l'oxygène sous l'influence d'un catalyseur à l'or supporté et en présence d'une base. L'oxydation se produit à une bonne sélectivité et rendement, dans des conditions modérées de façon inattendue. Une source d'acides galacturoniques est la pectine, telle que celle dérivée de pulpe de betterave sucrière.</description><language>eng ; fre</language><subject>ACYCLIC OR CARBOCYCLIC COMPOUNDS ; CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY ; CHEMISTRY ; DERIVATIVES THEREOF ; METALLURGY ; NUCLEIC ACIDS ; NUCLEOSIDES ; NUCLEOTIDES ; ORGANIC CHEMISTRY ; PERFORMING OPERATIONS ; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL ; SUGARS ; THEIR RELEVANT APPARATUS ; TRANSPORTING</subject><creationdate>2013</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20131010&DB=EPODOC&CC=WO&NR=2013151428A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20131010&DB=EPODOC&CC=WO&NR=2013151428A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>FRISSEN, AUGUSTINUS EMMANUEL</creatorcontrib><creatorcontrib>VAN ES, DANIEL STEPHAN</creatorcontrib><creatorcontrib>VAN DER KLIS, FRITS</creatorcontrib><creatorcontrib>VAN HAVEREN, JACOBUS</creatorcontrib><creatorcontrib>VAN ENGELEN, GERARDUS PETRUS FRANCISCUS MARIA</creatorcontrib><creatorcontrib>RAAIJMAKERS, HENRICUS WILHELMUS CAROLINA</creatorcontrib><title>CATALYTIC OXIDATION OF URONIC ACIDS TO ALDARIC ACIDS</title><description>Disclosed is the oxidation of uronic acids, such as galacturonic acid, to the corresponding aldaric acids (characterized by the formula HOOC-(CHOH)n-COOH, with n being an integer of from 1 to 5) such as galactaric acids. The starting material comprising the uronic acid is subjected to oxygen under the influence of a supported gold catalyst and in the presence of a base. The oxidation occurs in good selectivity and yield, under unexpectedly mild conditions. A source of galacturonic acids is pectin, such as that derived from sugar beet pulp.
L'Invention concerne l'oxydation d'acides uroniques, tels que l'acide galacturonique, en acides aldariques correspondants (caractérisés par la formule HOOC- (CHOH) n-COOH, n étant un nombre entier allant de 1 à 5) tels que les acides galactariques. Le matériau de départ comportant de l'acide uronique est soumis à de l'oxygène sous l'influence d'un catalyseur à l'or supporté et en présence d'une base. L'oxydation se produit à une bonne sélectivité et rendement, dans des conditions modérées de façon inattendue. Une source d'acides galacturoniques est la pectine, telle que celle dérivée de pulpe de betterave sucrière.</description><subject>ACYCLIC OR CARBOCYCLIC COMPOUNDS</subject><subject>CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY</subject><subject>CHEMISTRY</subject><subject>DERIVATIVES THEREOF</subject><subject>METALLURGY</subject><subject>NUCLEIC ACIDS</subject><subject>NUCLEOSIDES</subject><subject>NUCLEOTIDES</subject><subject>ORGANIC CHEMISTRY</subject><subject>PERFORMING OPERATIONS</subject><subject>PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL</subject><subject>SUGARS</subject><subject>THEIR RELEVANT APPARATUS</subject><subject>TRANSPORTING</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2013</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZDBxdgxx9IkM8XRW8I_wdHEM8fT3U_B3UwgN8vcDijk6e7oEK4T4Kzj6uDgGwQR4GFjTEnOKU3mhNDeDsptriLOHbmpBfnxqcUFicmpeakl8uL-RgaGxoamhiZGFo6ExcaoAQson7g</recordid><startdate>20131010</startdate><enddate>20131010</enddate><creator>FRISSEN, AUGUSTINUS EMMANUEL</creator><creator>VAN ES, DANIEL STEPHAN</creator><creator>VAN DER KLIS, FRITS</creator><creator>VAN HAVEREN, JACOBUS</creator><creator>VAN ENGELEN, GERARDUS PETRUS FRANCISCUS MARIA</creator><creator>RAAIJMAKERS, HENRICUS WILHELMUS CAROLINA</creator><scope>EVB</scope></search><sort><creationdate>20131010</creationdate><title>CATALYTIC OXIDATION OF URONIC ACIDS TO ALDARIC ACIDS</title><author>FRISSEN, AUGUSTINUS EMMANUEL ; VAN ES, DANIEL STEPHAN ; VAN DER KLIS, FRITS ; VAN HAVEREN, JACOBUS ; VAN ENGELEN, GERARDUS PETRUS FRANCISCUS MARIA ; RAAIJMAKERS, HENRICUS WILHELMUS CAROLINA</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_WO2013151428A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre</language><creationdate>2013</creationdate><topic>ACYCLIC OR CARBOCYCLIC COMPOUNDS</topic><topic>CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY</topic><topic>CHEMISTRY</topic><topic>DERIVATIVES THEREOF</topic><topic>METALLURGY</topic><topic>NUCLEIC ACIDS</topic><topic>NUCLEOSIDES</topic><topic>NUCLEOTIDES</topic><topic>ORGANIC CHEMISTRY</topic><topic>PERFORMING OPERATIONS</topic><topic>PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL</topic><topic>SUGARS</topic><topic>THEIR RELEVANT APPARATUS</topic><topic>TRANSPORTING</topic><toplevel>online_resources</toplevel><creatorcontrib>FRISSEN, AUGUSTINUS EMMANUEL</creatorcontrib><creatorcontrib>VAN ES, DANIEL STEPHAN</creatorcontrib><creatorcontrib>VAN DER KLIS, FRITS</creatorcontrib><creatorcontrib>VAN HAVEREN, JACOBUS</creatorcontrib><creatorcontrib>VAN ENGELEN, GERARDUS PETRUS FRANCISCUS MARIA</creatorcontrib><creatorcontrib>RAAIJMAKERS, HENRICUS WILHELMUS CAROLINA</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>FRISSEN, AUGUSTINUS EMMANUEL</au><au>VAN ES, DANIEL STEPHAN</au><au>VAN DER KLIS, FRITS</au><au>VAN HAVEREN, JACOBUS</au><au>VAN ENGELEN, GERARDUS PETRUS FRANCISCUS MARIA</au><au>RAAIJMAKERS, HENRICUS WILHELMUS CAROLINA</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>CATALYTIC OXIDATION OF URONIC ACIDS TO ALDARIC ACIDS</title><date>2013-10-10</date><risdate>2013</risdate><abstract>Disclosed is the oxidation of uronic acids, such as galacturonic acid, to the corresponding aldaric acids (characterized by the formula HOOC-(CHOH)n-COOH, with n being an integer of from 1 to 5) such as galactaric acids. The starting material comprising the uronic acid is subjected to oxygen under the influence of a supported gold catalyst and in the presence of a base. The oxidation occurs in good selectivity and yield, under unexpectedly mild conditions. A source of galacturonic acids is pectin, such as that derived from sugar beet pulp.
L'Invention concerne l'oxydation d'acides uroniques, tels que l'acide galacturonique, en acides aldariques correspondants (caractérisés par la formule HOOC- (CHOH) n-COOH, n étant un nombre entier allant de 1 à 5) tels que les acides galactariques. Le matériau de départ comportant de l'acide uronique est soumis à de l'oxygène sous l'influence d'un catalyseur à l'or supporté et en présence d'une base. L'oxydation se produit à une bonne sélectivité et rendement, dans des conditions modérées de façon inattendue. Une source d'acides galacturoniques est la pectine, telle que celle dérivée de pulpe de betterave sucrière.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ACYCLIC OR CARBOCYCLIC COMPOUNDS CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY DERIVATIVES THEREOF METALLURGY NUCLEIC ACIDS NUCLEOSIDES NUCLEOTIDES ORGANIC CHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SUGARS THEIR RELEVANT APPARATUS TRANSPORTING |
| title | CATALYTIC OXIDATION OF URONIC ACIDS TO ALDARIC ACIDS |
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