PROCESSO PARA A OBTENCAO DE 2.3-DICLOROTIOFENO
1. A process for preparing 2,3-dichlorothiophene, which comprises isomerizing 2-chlorothiophene with a catalyst to 3-chlorothiophene and subsequently chlorinating this 3-chlorothiophene between 40 and 120 degrees C to give 2,3-dichlorothiophene, the chlorine : 3-chlorothiophene ratio being 0.3 : 1 t...
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| creator | ERNST INGO LEUPOLD HEINZ LITTERER |
| description | 1. A process for preparing 2,3-dichlorothiophene, which comprises isomerizing 2-chlorothiophene with a catalyst to 3-chlorothiophene and subsequently chlorinating this 3-chlorothiophene between 40 and 120 degrees C to give 2,3-dichlorothiophene, the chlorine : 3-chlorothiophene ratio being 0.3 : 1 to 1.1 : 1 (mol/mol). |
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A process for preparing 2,3-dichlorothiophene, which comprises isomerizing 2-chlorothiophene with a catalyst to 3-chlorothiophene and subsequently chlorinating this 3-chlorothiophene between 40 and 120 degrees C to give 2,3-dichlorothiophene, the chlorine : 3-chlorothiophene ratio being 0.3 : 1 to 1.1 : 1 (mol/mol).</description><edition>4</edition><language>por</language><subject>APPARATUS THEREFOR ; CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY ; CHEMISTRY ; GENERAL METHODS OF ORGANIC CHEMISTRY ; HETEROCYCLIC COMPOUNDS ; METALLURGY ; ORGANIC CHEMISTRY ; PERFORMING OPERATIONS ; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL ; THEIR RELEVANT APPARATUS ; TRANSPORTING</subject><creationdate>1987</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=19870721&DB=EPODOC&CC=BR&NR=8605081A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76290</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19870721&DB=EPODOC&CC=BR&NR=8605081A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>ERNST INGO LEUPOLD</creatorcontrib><creatorcontrib>HEINZ LITTERER</creatorcontrib><title>PROCESSO PARA A OBTENCAO DE 2.3-DICLOROTIOFENO</title><description>1. A process for preparing 2,3-dichlorothiophene, which comprises isomerizing 2-chlorothiophene with a catalyst to 3-chlorothiophene and subsequently chlorinating this 3-chlorothiophene between 40 and 120 degrees C to give 2,3-dichlorothiophene, the chlorine : 3-chlorothiophene ratio being 0.3 : 1 to 1.1 : 1 (mol/mol).</description><subject>APPARATUS THEREFOR</subject><subject>CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY</subject><subject>CHEMISTRY</subject><subject>GENERAL METHODS OF ORGANIC CHEMISTRY</subject><subject>HETEROCYCLIC COMPOUNDS</subject><subject>METALLURGY</subject><subject>ORGANIC CHEMISTRY</subject><subject>PERFORMING OPERATIONS</subject><subject>PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL</subject><subject>THEIR RELEVANT APPARATUS</subject><subject>TRANSPORTING</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1987</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZNALCPJ3dg0O9lcIcAxyVHBU8HcKcfVzdvRXcHFVMNIz1nXxdPbxD_IP8fR3c_Xz52FgTUvMKU7lhdLcDPJuriHOHrqpBfnxqcUFicmpeakl8U5BFmYGpgYWho7GhFUAAB5QJHY</recordid><startdate>19870721</startdate><enddate>19870721</enddate><creator>ERNST INGO LEUPOLD</creator><creator>HEINZ LITTERER</creator><scope>EVB</scope></search><sort><creationdate>19870721</creationdate><title>PROCESSO PARA A OBTENCAO DE 2.3-DICLOROTIOFENO</title><author>ERNST INGO LEUPOLD ; HEINZ LITTERER</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_BR8605081A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>por</language><creationdate>1987</creationdate><topic>APPARATUS THEREFOR</topic><topic>CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY</topic><topic>CHEMISTRY</topic><topic>GENERAL METHODS OF ORGANIC CHEMISTRY</topic><topic>HETEROCYCLIC COMPOUNDS</topic><topic>METALLURGY</topic><topic>ORGANIC CHEMISTRY</topic><topic>PERFORMING OPERATIONS</topic><topic>PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL</topic><topic>THEIR RELEVANT APPARATUS</topic><topic>TRANSPORTING</topic><toplevel>online_resources</toplevel><creatorcontrib>ERNST INGO LEUPOLD</creatorcontrib><creatorcontrib>HEINZ LITTERER</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>ERNST INGO LEUPOLD</au><au>HEINZ LITTERER</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>PROCESSO PARA A OBTENCAO DE 2.3-DICLOROTIOFENO</title><date>1987-07-21</date><risdate>1987</risdate><abstract>1. A process for preparing 2,3-dichlorothiophene, which comprises isomerizing 2-chlorothiophene with a catalyst to 3-chlorothiophene and subsequently chlorinating this 3-chlorothiophene between 40 and 120 degrees C to give 2,3-dichlorothiophene, the chlorine : 3-chlorothiophene ratio being 0.3 : 1 to 1.1 : 1 (mol/mol).</abstract><edition>4</edition><oa>free_for_read</oa></addata></record> |
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| subjects | APPARATUS THEREFOR CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY GENERAL METHODS OF ORGANIC CHEMISTRY HETEROCYCLIC COMPOUNDS METALLURGY ORGANIC CHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING |
| title | PROCESSO PARA A OBTENCAO DE 2.3-DICLOROTIOFENO |
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