PREPARATION OF DIAMINO DIPHENYL ETHERS

Diaminodiphenyl ethers (DADPE's) are prepared by refluxing sodium or potassium aminophenate with chloronitrobenzene in dimethylformamide. The reaction mixture is hydrogenated directly without isolating the resulting intermediate product, aminophenyl-nitrophenyl ether, to form the corresponding...

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Hauptverfasser:	MERRELL, PHILIP HAYDEN, ELLIS, MICHAEL FRANCIS
Format:	Patent
Sprache:	eng
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS CHEMISTRY METALLURGY ORGANIC CHEMISTRY
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creator	MERRELL, PHILIP HAYDEN ELLIS, MICHAEL FRANCIS
description	Diaminodiphenyl ethers (DADPE's) are prepared by refluxing sodium or potassium aminophenate with chloronitrobenzene in dimethylformamide. The reaction mixture is hydrogenated directly without isolating the resulting intermediate product, aminophenyl-nitrophenyl ether, to form the corresponding DADPE, e.g., oxydianiline (ODA). The DADPE is crystallized from the hydrogenated reaction mixture in the presence of an aliphatic alcohol, which may be added to the reaction mixture prior to, during, or after hydrogenation. The resulting crystallized DADPE is typically of high purity and excellent color.
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The reaction mixture is hydrogenated directly without isolating the resulting intermediate product, aminophenyl-nitrophenyl ether, to form the corresponding DADPE, e.g., oxydianiline (ODA). The DADPE is crystallized from the hydrogenated reaction mixture in the presence of an aliphatic alcohol, which may be added to the reaction mixture prior to, during, or after hydrogenation. The resulting crystallized DADPE is typically of high purity and excellent color.</description><edition>4</edition><language>eng</language><subject>ACYCLIC OR CARBOCYCLIC COMPOUNDS ; CHEMISTRY ; METALLURGY ; ORGANIC CHEMISTRY</subject><creationdate>1985</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=19850814&DB=EPODOC&CC=EP&NR=0094212B1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,778,883,25547,76298</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19850814&DB=EPODOC&CC=EP&NR=0094212B1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>MERRELL, PHILIP HAYDEN</creatorcontrib><creatorcontrib>ELLIS, MICHAEL FRANCIS</creatorcontrib><title>PREPARATION OF DIAMINO DIPHENYL ETHERS</title><description>Diaminodiphenyl ethers (DADPE's) are prepared by refluxing sodium or potassium aminophenate with chloronitrobenzene in dimethylformamide. The reaction mixture is hydrogenated directly without isolating the resulting intermediate product, aminophenyl-nitrophenyl ether, to form the corresponding DADPE, e.g., oxydianiline (ODA). The DADPE is crystallized from the hydrogenated reaction mixture in the presence of an aliphatic alcohol, which may be added to the reaction mixture prior to, during, or after hydrogenation. The resulting crystallized DADPE is typically of high purity and excellent color.</description><subject>ACYCLIC OR CARBOCYCLIC COMPOUNDS</subject><subject>CHEMISTRY</subject><subject>METALLURGY</subject><subject>ORGANIC CHEMISTRY</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1985</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZFALCHINcAxyDPH091Pwd1Nw8XT09fTzB9IBHq5-kT4KriEerkHBPAysaYk5xam8UJqbQcHNNcTZQze1ID8-tbggMTk1L7Uk3jXAwMDSxMjQyMnQmAglAICjIx4</recordid><startdate>19850814</startdate><enddate>19850814</enddate><creator>MERRELL, PHILIP HAYDEN</creator><creator>ELLIS, MICHAEL FRANCIS</creator><scope>EVB</scope></search><sort><creationdate>19850814</creationdate><title>PREPARATION OF DIAMINO DIPHENYL ETHERS</title><author>MERRELL, PHILIP HAYDEN ; ELLIS, MICHAEL FRANCIS</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP0094212B13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1985</creationdate><topic>ACYCLIC OR CARBOCYCLIC COMPOUNDS</topic><topic>CHEMISTRY</topic><topic>METALLURGY</topic><topic>ORGANIC CHEMISTRY</topic><toplevel>online_resources</toplevel><creatorcontrib>MERRELL, PHILIP HAYDEN</creatorcontrib><creatorcontrib>ELLIS, MICHAEL FRANCIS</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>MERRELL, PHILIP HAYDEN</au><au>ELLIS, MICHAEL FRANCIS</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>PREPARATION OF DIAMINO DIPHENYL ETHERS</title><date>1985-08-14</date><risdate>1985</risdate><abstract>Diaminodiphenyl ethers (DADPE's) are prepared by refluxing sodium or potassium aminophenate with chloronitrobenzene in dimethylformamide. The reaction mixture is hydrogenated directly without isolating the resulting intermediate product, aminophenyl-nitrophenyl ether, to form the corresponding DADPE, e.g., oxydianiline (ODA). The DADPE is crystallized from the hydrogenated reaction mixture in the presence of an aliphatic alcohol, which may be added to the reaction mixture prior to, during, or after hydrogenation. The resulting crystallized DADPE is typically of high purity and excellent color.</abstract><edition>4</edition><oa>free_for_read</oa></addata></record>
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title	PREPARATION OF DIAMINO DIPHENYL ETHERS
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