PROCEDE DE DESHALOGENATION D'ETHERS HALOGENES

L'INVENTION CONCERNE UN PROCEDE DE DESHALOGENATION DE DIVERS HALOETHERS, QUI CONSISTE, EN PARTANT D'UN HALOETHER REPONDANT A LA FORMULE CX-(CY)-O-CZ-CX DANS LAQUELLE X, Y, Z ET X SONT DES COMBINAISONS SPECIFIQUES D'HYDROGENE, DE FLUOR, DE CHLORE ET DE BROME, TELLES QUE LA MOLECULE CON...

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1. Verfasser: ROSS C. TERRELL ET KIRSTEN HANSEN
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description L'INVENTION CONCERNE UN PROCEDE DE DESHALOGENATION DE DIVERS HALOETHERS, QUI CONSISTE, EN PARTANT D'UN HALOETHER REPONDANT A LA FORMULE CX-(CY)-O-CZ-CX DANS LAQUELLE X, Y, Z ET X SONT DES COMBINAISONS SPECIFIQUES D'HYDROGENE, DE FLUOR, DE CHLORE ET DE BROME, TELLES QUE LA MOLECULE CONTIENT AU MOINS UN GROUPE REDUCTIBLE A DESHALOGENER CES HALOETHERS EN LES METTANT EN CONTACT AVEC UN DONNEUR D'HYDROGENE COMPRENANT UNE AMINE, DE PREFERENCE UNE AMINE PRIMAIRE OU SECONDAIRE, OU UNE ALCANOLAMINE PRIMAIRE, SECONDAIRE OU TERTIAIRE. L'AMINE EST DE PREFERENCE UTILISEE EN ASSOCIATION AVEC UN CATALYSEUR TEL QU'UN METAL MULTIVALENT OU UN DE SES SELS, TEL QUE LE CUIVRE OU UN SEL DE CUIVRE. ON OBTIENT AINSI DES ETHERS PURIFIES. Methods for the dehalogenation of various haloethers are disclosed, comprising providing a haloether having the formula CX'3-[CY2]n-O- CZ2-CX3 in which n=0 or 1, and X', Y, Z and X are specifically disclosed combinations of hydrogen, fluorine, chlorine and bromine such that the molecule includes at least one reducible group, but where both portions of any ethyl groups present are not reducible. Dehalogenation of these haloethers is carried out by contacting same with a hydrogen donor comprising an amine, preferably a primary or secondary amine or a primary, secondary or tertiary alkanol amine. The amine is preferably used in combination with a catalyst, such as a variant metal or a salt thereof, such as copper or a copper salt.
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TERRELL ET KIRSTEN HANSEN</creatorcontrib><description>L'INVENTION CONCERNE UN PROCEDE DE DESHALOGENATION DE DIVERS HALOETHERS, QUI CONSISTE, EN PARTANT D'UN HALOETHER REPONDANT A LA FORMULE CX-(CY)-O-CZ-CX DANS LAQUELLE X, Y, Z ET X SONT DES COMBINAISONS SPECIFIQUES D'HYDROGENE, DE FLUOR, DE CHLORE ET DE BROME, TELLES QUE LA MOLECULE CONTIENT AU MOINS UN GROUPE REDUCTIBLE A DESHALOGENER CES HALOETHERS EN LES METTANT EN CONTACT AVEC UN DONNEUR D'HYDROGENE COMPRENANT UNE AMINE, DE PREFERENCE UNE AMINE PRIMAIRE OU SECONDAIRE, OU UNE ALCANOLAMINE PRIMAIRE, SECONDAIRE OU TERTIAIRE. L'AMINE EST DE PREFERENCE UTILISEE EN ASSOCIATION AVEC UN CATALYSEUR TEL QU'UN METAL MULTIVALENT OU UN DE SES SELS, TEL QUE LE CUIVRE OU UN SEL DE CUIVRE. ON OBTIENT AINSI DES ETHERS PURIFIES. Methods for the dehalogenation of various haloethers are disclosed, comprising providing a haloether having the formula CX'3-[CY2]n-O- CZ2-CX3 in which n=0 or 1, and X', Y, Z and X are specifically disclosed combinations of hydrogen, fluorine, chlorine and bromine such that the molecule includes at least one reducible group, but where both portions of any ethyl groups present are not reducible. Dehalogenation of these haloethers is carried out by contacting same with a hydrogen donor comprising an amine, preferably a primary or secondary amine or a primary, secondary or tertiary alkanol amine. 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TERRELL ET KIRSTEN HANSEN</creatorcontrib><title>PROCEDE DE DESHALOGENATION D'ETHERS HALOGENES</title><description>L'INVENTION CONCERNE UN PROCEDE DE DESHALOGENATION DE DIVERS HALOETHERS, QUI CONSISTE, EN PARTANT D'UN HALOETHER REPONDANT A LA FORMULE CX-(CY)-O-CZ-CX DANS LAQUELLE X, Y, Z ET X SONT DES COMBINAISONS SPECIFIQUES D'HYDROGENE, DE FLUOR, DE CHLORE ET DE BROME, TELLES QUE LA MOLECULE CONTIENT AU MOINS UN GROUPE REDUCTIBLE A DESHALOGENER CES HALOETHERS EN LES METTANT EN CONTACT AVEC UN DONNEUR D'HYDROGENE COMPRENANT UNE AMINE, DE PREFERENCE UNE AMINE PRIMAIRE OU SECONDAIRE, OU UNE ALCANOLAMINE PRIMAIRE, SECONDAIRE OU TERTIAIRE. L'AMINE EST DE PREFERENCE UTILISEE EN ASSOCIATION AVEC UN CATALYSEUR TEL QU'UN METAL MULTIVALENT OU UN DE SES SELS, TEL QUE LE CUIVRE OU UN SEL DE CUIVRE. ON OBTIENT AINSI DES ETHERS PURIFIES. Methods for the dehalogenation of various haloethers are disclosed, comprising providing a haloether having the formula CX'3-[CY2]n-O- CZ2-CX3 in which n=0 or 1, and X', Y, Z and X are specifically disclosed combinations of hydrogen, fluorine, chlorine and bromine such that the molecule includes at least one reducible group, but where both portions of any ethyl groups present are not reducible. Dehalogenation of these haloethers is carried out by contacting same with a hydrogen donor comprising an amine, preferably a primary or secondary amine or a primary, secondary or tertiary alkanol amine. 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TERRELL ET KIRSTEN HANSEN</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_FR2455020A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>fre</language><creationdate>1980</creationdate><topic>ACYCLIC OR CARBOCYCLIC COMPOUNDS</topic><topic>CHEMISTRY</topic><topic>METALLURGY</topic><topic>ORGANIC CHEMISTRY</topic><toplevel>online_resources</toplevel><creatorcontrib>ROSS C. TERRELL ET KIRSTEN HANSEN</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>ROSS C. TERRELL ET KIRSTEN HANSEN</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>PROCEDE DE DESHALOGENATION D'ETHERS HALOGENES</title><date>1980-11-21</date><risdate>1980</risdate><abstract>L'INVENTION CONCERNE UN PROCEDE DE DESHALOGENATION DE DIVERS HALOETHERS, QUI CONSISTE, EN PARTANT D'UN HALOETHER REPONDANT A LA FORMULE CX-(CY)-O-CZ-CX DANS LAQUELLE X, Y, Z ET X SONT DES COMBINAISONS SPECIFIQUES D'HYDROGENE, DE FLUOR, DE CHLORE ET DE BROME, TELLES QUE LA MOLECULE CONTIENT AU MOINS UN GROUPE REDUCTIBLE A DESHALOGENER CES HALOETHERS EN LES METTANT EN CONTACT AVEC UN DONNEUR D'HYDROGENE COMPRENANT UNE AMINE, DE PREFERENCE UNE AMINE PRIMAIRE OU SECONDAIRE, OU UNE ALCANOLAMINE PRIMAIRE, SECONDAIRE OU TERTIAIRE. L'AMINE EST DE PREFERENCE UTILISEE EN ASSOCIATION AVEC UN CATALYSEUR TEL QU'UN METAL MULTIVALENT OU UN DE SES SELS, TEL QUE LE CUIVRE OU UN SEL DE CUIVRE. ON OBTIENT AINSI DES ETHERS PURIFIES. Methods for the dehalogenation of various haloethers are disclosed, comprising providing a haloether having the formula CX'3-[CY2]n-O- CZ2-CX3 in which n=0 or 1, and X', Y, Z and X are specifically disclosed combinations of hydrogen, fluorine, chlorine and bromine such that the molecule includes at least one reducible group, but where both portions of any ethyl groups present are not reducible. Dehalogenation of these haloethers is carried out by contacting same with a hydrogen donor comprising an amine, preferably a primary or secondary amine or a primary, secondary or tertiary alkanol amine. The amine is preferably used in combination with a catalyst, such as a variant metal or a salt thereof, such as copper or a copper salt.</abstract><oa>free_for_read</oa></addata></record>
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subjects ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
title PROCEDE DE DESHALOGENATION D'ETHERS HALOGENES
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