BROMINATED AZATHIOXANTHENE COMPOUND AND PRODUCTION THEREOF
PROBLEM TO BE SOLVED: To obtain a brominated azathioxanthene compd. which is useful as a novel red fluorescent colorant having a high luminance and a good fastness by reacting an azathioxanthene compd. with bromine in an inert solvent. SOLUTION: An azathioxanthene compd. represented by formula II is...
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| creator | MURATA YUKICHI |
| description | PROBLEM TO BE SOLVED: To obtain a brominated azathioxanthene compd. which is useful as a novel red fluorescent colorant having a high luminance and a good fastness by reacting an azathioxanthene compd. with bromine in an inert solvent. SOLUTION: An azathioxanthene compd. represented by formula II is reacted with bromine in an inert solvent in an amt. of 10-50 times that of the compd. to give an azathioxanthene compd. represented by formula I (n is 1-3). In the reaction, 1.0-1.2 mol (based on 1 mol of the compd. represented by formula II) of bromine is used to obtain a compd. represented by formula I wherein n is 1; 2.0-2.4 mol of bromine, to obtain a compd. represented by formula I wherein n is 2; and 3.0-3.6 mol of bromine, to obtain a compd. represented by formula I wherein n is 3. The reaction temp. is 100-200 deg.C. After the reaction, cooled crystals are filtered, washed with methanol and water, and dried to give objective compd. If necessary the product is purified by recrystallization. |
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SOLUTION: An azathioxanthene compd. represented by formula II is reacted with bromine in an inert solvent in an amt. of 10-50 times that of the compd. to give an azathioxanthene compd. represented by formula I (n is 1-3). In the reaction, 1.0-1.2 mol (based on 1 mol of the compd. represented by formula II) of bromine is used to obtain a compd. represented by formula I wherein n is 1; 2.0-2.4 mol of bromine, to obtain a compd. represented by formula I wherein n is 2; and 3.0-3.6 mol of bromine, to obtain a compd. represented by formula I wherein n is 3. The reaction temp. is 100-200 deg.C. After the reaction, cooled crystals are filtered, washed with methanol and water, and dried to give objective compd. If necessary the product is purified by recrystallization.</description><edition>6</edition><language>eng</language><subject>ADHESIVES ; CHEMISTRY ; DYES ; HETEROCYCLIC COMPOUNDS ; LAKES ; METALLURGY ; MISCELLANEOUS APPLICATIONS OF MATERIALS ; MISCELLANEOUS COMPOSITIONS ; MORDANTS ; NATURAL RESINS ; ORGANIC CHEMISTRY ; ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES ; PAINTS ; POLISHES</subject><creationdate>1998</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=19981006&DB=EPODOC&CC=JP&NR=H10265687A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76290</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19981006&DB=EPODOC&CC=JP&NR=H10265687A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>MURATA YUKICHI</creatorcontrib><title>BROMINATED AZATHIOXANTHENE COMPOUND AND PRODUCTION THEREOF</title><description>PROBLEM TO BE SOLVED: To obtain a brominated azathioxanthene compd. which is useful as a novel red fluorescent colorant having a high luminance and a good fastness by reacting an azathioxanthene compd. with bromine in an inert solvent. SOLUTION: An azathioxanthene compd. represented by formula II is reacted with bromine in an inert solvent in an amt. of 10-50 times that of the compd. to give an azathioxanthene compd. represented by formula I (n is 1-3). In the reaction, 1.0-1.2 mol (based on 1 mol of the compd. represented by formula II) of bromine is used to obtain a compd. represented by formula I wherein n is 1; 2.0-2.4 mol of bromine, to obtain a compd. represented by formula I wherein n is 2; and 3.0-3.6 mol of bromine, to obtain a compd. represented by formula I wherein n is 3. The reaction temp. is 100-200 deg.C. After the reaction, cooled crystals are filtered, washed with methanol and water, and dried to give objective compd. If necessary the product is purified by recrystallization.</description><subject>ADHESIVES</subject><subject>CHEMISTRY</subject><subject>DYES</subject><subject>HETEROCYCLIC COMPOUNDS</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 CHEMISTRY</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>1998</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZLByCvL39fRzDHF1UXCMcgzx8PSPcPQL8XD1c1Vw9vcN8A_1A0oAcUCQv0uoc4inv58CUDbI1d-Nh4E1LTGnOJUXSnMzKLq5hjh76KYW5MenFhckJqfmpZbEewV4GBoYmZmaWZg7GhOjBgDniSml</recordid><startdate>19981006</startdate><enddate>19981006</enddate><creator>MURATA YUKICHI</creator><scope>EVB</scope></search><sort><creationdate>19981006</creationdate><title>BROMINATED AZATHIOXANTHENE COMPOUND AND PRODUCTION THEREOF</title><author>MURATA YUKICHI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JPH10265687A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1998</creationdate><topic>ADHESIVES</topic><topic>CHEMISTRY</topic><topic>DYES</topic><topic>HETEROCYCLIC COMPOUNDS</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 CHEMISTRY</topic><topic>ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES</topic><topic>PAINTS</topic><topic>POLISHES</topic><toplevel>online_resources</toplevel><creatorcontrib>MURATA YUKICHI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>MURATA YUKICHI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>BROMINATED AZATHIOXANTHENE COMPOUND AND PRODUCTION THEREOF</title><date>1998-10-06</date><risdate>1998</risdate><abstract>PROBLEM TO BE SOLVED: To obtain a brominated azathioxanthene compd. which is useful as a novel red fluorescent colorant having a high luminance and a good fastness by reacting an azathioxanthene compd. with bromine in an inert solvent. SOLUTION: An azathioxanthene compd. represented by formula II is reacted with bromine in an inert solvent in an amt. of 10-50 times that of the compd. to give an azathioxanthene compd. represented by formula I (n is 1-3). In the reaction, 1.0-1.2 mol (based on 1 mol of the compd. represented by formula II) of bromine is used to obtain a compd. represented by formula I wherein n is 1; 2.0-2.4 mol of bromine, to obtain a compd. represented by formula I wherein n is 2; and 3.0-3.6 mol of bromine, to obtain a compd. represented by formula I wherein n is 3. The reaction temp. is 100-200 deg.C. After the reaction, cooled crystals are filtered, washed with methanol and water, and dried to give objective compd. If necessary the product is purified by recrystallization.</abstract><edition>6</edition><oa>free_for_read</oa></addata></record> |
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| subjects | ADHESIVES CHEMISTRY DYES HETEROCYCLIC COMPOUNDS LAKES METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS MORDANTS NATURAL RESINS ORGANIC CHEMISTRY ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES PAINTS POLISHES |
| title | BROMINATED AZATHIOXANTHENE COMPOUND AND PRODUCTION THEREOF |
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