New monoazo dyestuffs of the benzene-azo-benzene series,their production and dyeing process therewith
The invention comprises monoazo dyes of formula wherein x is a chlorine or bromine atom, y is a hydrogen atom or a methyl or ethyl radical, R1 is a methyl or ethyl radical and R2 is a mono- or di-hydroxy-alkyl radical containing 1-3 carbon atoms which may be etherified with C1-C6 alkanols or esteri...
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creator | MERIAN ERNEST MULLER CURT |
description | The invention comprises monoazo dyes of formula wherein x is a chlorine or bromine atom, y is a hydrogen atom or a methyl or ethyl radical, R1 is a methyl or ethyl radical and R2 is a mono- or di-hydroxy-alkyl radical containing 1-3 carbon atoms which may be etherified with C1-C6 alkanols or esterified with C1-C6 alkanoic acids. The dyes are prepared by the usual coupling reaction from a diazotized 2-cyano-4-nitroaniline and a suitable N : N-di-substituted aniline. The dyes may be used to colour hydrophobic fibres e.g. cellulose ester and aromatic polyester fibres in red to violet shades. In an example 2-nitro-4-cyano-6-bromoaniline is diazotized with nitrosylsulphuric acid and coupled in glacial acetic acid with 1-(N-ethyl-N-acetoxyethyl) amino-3-methylbenzene. Further examples are specified. |
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The dyes are prepared by the usual coupling reaction from a diazotized 2-cyano-4-nitroaniline and a suitable N : N-di-substituted aniline. The dyes may be used to colour hydrophobic fibres e.g. cellulose ester and aromatic polyester fibres in red to violet shades. In an example 2-nitro-4-cyano-6-bromoaniline is diazotized with nitrosylsulphuric acid and coupled in glacial acetic acid with 1-(N-ethyl-N-acetoxyethyl) amino-3-methylbenzene. Further examples are specified.</description><language>eng</language><subject>ADHESIVES ; CHEMISTRY ; DYES ; LAKES ; METALLURGY ; MISCELLANEOUS APPLICATIONS OF MATERIALS ; MISCELLANEOUS COMPOSITIONS ; MORDANTS ; NATURAL RESINS ; ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES ; PAINTS ; POLISHES</subject><creationdate>1964</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=19640930&DB=EPODOC&CC=GB&NR=971167A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,309,781,886,25569,76552</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19640930&DB=EPODOC&CC=GB&NR=971167A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>MERIAN ERNEST</creatorcontrib><creatorcontrib>MULLER CURT</creatorcontrib><title>New monoazo dyestuffs of the benzene-azo-benzene series,their production and dyeing process therewith</title><description>The invention comprises monoazo dyes of formula <FORM:0971167/C4-C5/1> wherein x is a chlorine or bromine atom, y is a hydrogen atom or a methyl or ethyl radical, R1 is a methyl or ethyl radical and R2 is a mono- or di-hydroxy-alkyl radical containing 1-3 carbon atoms which may be etherified with C1-C6 alkanols or esterified with C1-C6 alkanoic acids. The dyes are prepared by the usual coupling reaction from a diazotized 2-cyano-4-nitroaniline and a suitable N : N-di-substituted aniline. The dyes may be used to colour hydrophobic fibres e.g. cellulose ester and aromatic polyester fibres in red to violet shades. In an example 2-nitro-4-cyano-6-bromoaniline is diazotized with nitrosylsulphuric acid and coupled in glacial acetic acid with 1-(N-ethyl-N-acetoxyethyl) amino-3-methylbenzene. Further examples are specified.</description><subject>ADHESIVES</subject><subject>CHEMISTRY</subject><subject>DYES</subject><subject>LAKES</subject><subject>METALLURGY</subject><subject>MISCELLANEOUS APPLICATIONS OF MATERIALS</subject><subject>MISCELLANEOUS COMPOSITIONS</subject><subject>MORDANTS</subject><subject>NATURAL RESINS</subject><subject>ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES</subject><subject>PAINTS</subject><subject>POLISHES</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1964</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqFjL0KwjAUhbs4iPoKch_ADEWwOKr4Mzm5l9ie2IDmhtyUYp_eBLo7ncP5Dt-8wB0DfdixHpnaLyT2xgixodiBnnAjHFSCauokCBaySdgG8oHbvomWHWnXZoF1r7w2EMmKgMHGblnMjH4LVlMuivXl_DjdFDzXEK-bZI719bivynJXHbZ_Dz8C0z6m</recordid><startdate>19640930</startdate><enddate>19640930</enddate><creator>MERIAN ERNEST</creator><creator>MULLER CURT</creator><scope>EVB</scope></search><sort><creationdate>19640930</creationdate><title>New monoazo dyestuffs of the benzene-azo-benzene series,their production and dyeing process therewith</title><author>MERIAN ERNEST ; MULLER CURT</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_GB971167A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1964</creationdate><topic>ADHESIVES</topic><topic>CHEMISTRY</topic><topic>DYES</topic><topic>LAKES</topic><topic>METALLURGY</topic><topic>MISCELLANEOUS APPLICATIONS OF MATERIALS</topic><topic>MISCELLANEOUS COMPOSITIONS</topic><topic>MORDANTS</topic><topic>NATURAL RESINS</topic><topic>ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES</topic><topic>PAINTS</topic><topic>POLISHES</topic><toplevel>online_resources</toplevel><creatorcontrib>MERIAN ERNEST</creatorcontrib><creatorcontrib>MULLER CURT</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>MERIAN ERNEST</au><au>MULLER CURT</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>New monoazo dyestuffs of the benzene-azo-benzene series,their production and dyeing process therewith</title><date>1964-09-30</date><risdate>1964</risdate><abstract>The invention comprises monoazo dyes of formula <FORM:0971167/C4-C5/1> wherein x is a chlorine or bromine atom, y is a hydrogen atom or a methyl or ethyl radical, R1 is a methyl or ethyl radical and R2 is a mono- or di-hydroxy-alkyl radical containing 1-3 carbon atoms which may be etherified with C1-C6 alkanols or esterified with C1-C6 alkanoic acids. The dyes are prepared by the usual coupling reaction from a diazotized 2-cyano-4-nitroaniline and a suitable N : N-di-substituted aniline. The dyes may be used to colour hydrophobic fibres e.g. cellulose ester and aromatic polyester fibres in red to violet shades. In an example 2-nitro-4-cyano-6-bromoaniline is diazotized with nitrosylsulphuric acid and coupled in glacial acetic acid with 1-(N-ethyl-N-acetoxyethyl) amino-3-methylbenzene. Further examples are specified.</abstract><oa>free_for_read</oa></addata></record> |
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subjects | ADHESIVES CHEMISTRY DYES LAKES METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS MORDANTS NATURAL RESINS ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES PAINTS POLISHES |
title | New monoazo dyestuffs of the benzene-azo-benzene series,their production and dyeing process therewith |
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