Preparation method of 2, 2'-bipyridine
The invention relates to a preparation method of bipyridine, in particular to a preparation method of 2, 2'-bipyridine. The method includes: taking pyridine as the raw material, adopting supported nickel as the catalyst, carrying out dehydrogenation coupling reaction on pyridine under certain c...
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| creator | WANG DONG'E LI PENG XU RENSHUN WANG CONGXIN MA HUAIJUN LI KEDA QU WEI TIAN ZHIJIAN PAN ZHENDONG |
| description | The invention relates to a preparation method of bipyridine, in particular to a preparation method of 2, 2'-bipyridine. The method includes: taking pyridine as the raw material, adopting supported nickel as the catalyst, carrying out dehydrogenation coupling reaction on pyridine under certain conditions, then conducting filtration, distillation, washing, chromatography, recrystallization and other separation steps to purify the product, thus obtaining a 2, 2'-bipyridine product. Compared with the traditional direct coupling method and halogen method, the method provided by the invention is safe and convenient for operation, and is environment-friendly.
本发明涉及种联吡啶的制备方法，具体涉及种2,2'-联吡啶制备方法。该方法以吡啶为原料，以负载型镍作为催化剂，在定条件下使吡啶发生脱氢偶联反应，再经过过滤、蒸馏、洗涤、层析、重结晶等分离步骤对产物进行纯化，制得2,2'-联吡啶产品。与传统的直接偶联法和卤素法相比，本发明所提供的方法操作安全、方便，环境友好。 |
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本发明涉及种联吡啶的制备方法，具体涉及种2,2'-联吡啶制备方法。该方法以吡啶为原料，以负载型镍作为催化剂，在定条件下使吡啶发生脱氢偶联反应，再经过过滤、蒸馏、洗涤、层析、重结晶等分离步骤对产物进行纯化，制得2,2'-联吡啶产品。与传统的直接偶联法和卤素法相比，本发明所提供的方法操作安全、方便，环境友好。</description><language>chi ; eng</language><subject>CHEMISTRY ; HETEROCYCLIC COMPOUNDS ; METALLURGY ; ORGANIC CHEMISTRY</subject><creationdate>2017</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=20170606&DB=EPODOC&CC=CN&NR=106800530A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76290</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20170606&DB=EPODOC&CC=CN&NR=106800530A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>WANG DONG'E</creatorcontrib><creatorcontrib>LI PENG</creatorcontrib><creatorcontrib>XU RENSHUN</creatorcontrib><creatorcontrib>WANG CONGXIN</creatorcontrib><creatorcontrib>MA HUAIJUN</creatorcontrib><creatorcontrib>LI KEDA</creatorcontrib><creatorcontrib>QU WEI</creatorcontrib><creatorcontrib>TIAN ZHIJIAN</creatorcontrib><creatorcontrib>PAN ZHENDONG</creatorcontrib><title>Preparation method of 2, 2'-bipyridine</title><description>The invention relates to a preparation method of bipyridine, in particular to a preparation method of 2, 2'-bipyridine. The method includes: taking pyridine as the raw material, adopting supported nickel as the catalyst, carrying out dehydrogenation coupling reaction on pyridine under certain conditions, then conducting filtration, distillation, washing, chromatography, recrystallization and other separation steps to purify the product, thus obtaining a 2, 2'-bipyridine product. Compared with the traditional direct coupling method and halogen method, the method provided by the invention is safe and convenient for operation, and is environment-friendly.
本发明涉及种联吡啶的制备方法，具体涉及种2,2'-联吡啶制备方法。该方法以吡啶为原料，以负载型镍作为催化剂，在定条件下使吡啶发生脱氢偶联反应，再经过过滤、蒸馏、洗涤、层析、重结晶等分离步骤对产物进行纯化，制得2,2'-联吡啶产品。与传统的直接偶联法和卤素法相比，本发明所提供的方法操作安全、方便，环境友好。</description><subject>CHEMISTRY</subject><subject>HETEROCYCLIC COMPOUNDS</subject><subject>METALLURGY</subject><subject>ORGANIC CHEMISTRY</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2017</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZFALKEotSCxKLMnMz1PITS3JyE9RyE9TMNJRMFLXTcosqCzKTMnMS-VhYE1LzClO5YXS3AyKbq4hzh66qQX58anFBYnJqXmpJfHOfoYGZhYGBqbGBo7GxKgBAAM3Jmk</recordid><startdate>20170606</startdate><enddate>20170606</enddate><creator>WANG DONG'E</creator><creator>LI PENG</creator><creator>XU RENSHUN</creator><creator>WANG CONGXIN</creator><creator>MA HUAIJUN</creator><creator>LI KEDA</creator><creator>QU WEI</creator><creator>TIAN ZHIJIAN</creator><creator>PAN ZHENDONG</creator><scope>EVB</scope></search><sort><creationdate>20170606</creationdate><title>Preparation method of 2, 2'-bipyridine</title><author>WANG DONG'E ; LI PENG ; XU RENSHUN ; WANG CONGXIN ; MA HUAIJUN ; LI KEDA ; QU WEI ; TIAN ZHIJIAN ; PAN ZHENDONG</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN106800530A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2017</creationdate><topic>CHEMISTRY</topic><topic>HETEROCYCLIC COMPOUNDS</topic><topic>METALLURGY</topic><topic>ORGANIC CHEMISTRY</topic><toplevel>online_resources</toplevel><creatorcontrib>WANG DONG'E</creatorcontrib><creatorcontrib>LI PENG</creatorcontrib><creatorcontrib>XU RENSHUN</creatorcontrib><creatorcontrib>WANG CONGXIN</creatorcontrib><creatorcontrib>MA HUAIJUN</creatorcontrib><creatorcontrib>LI KEDA</creatorcontrib><creatorcontrib>QU WEI</creatorcontrib><creatorcontrib>TIAN ZHIJIAN</creatorcontrib><creatorcontrib>PAN ZHENDONG</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>WANG DONG'E</au><au>LI PENG</au><au>XU RENSHUN</au><au>WANG CONGXIN</au><au>MA HUAIJUN</au><au>LI KEDA</au><au>QU WEI</au><au>TIAN ZHIJIAN</au><au>PAN ZHENDONG</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Preparation method of 2, 2'-bipyridine</title><date>2017-06-06</date><risdate>2017</risdate><abstract>The invention relates to a preparation method of bipyridine, in particular to a preparation method of 2, 2'-bipyridine. The method includes: taking pyridine as the raw material, adopting supported nickel as the catalyst, carrying out dehydrogenation coupling reaction on pyridine under certain conditions, then conducting filtration, distillation, washing, chromatography, recrystallization and other separation steps to purify the product, thus obtaining a 2, 2'-bipyridine product. Compared with the traditional direct coupling method and halogen method, the method provided by the invention is safe and convenient for operation, and is environment-friendly.
本发明涉及种联吡啶的制备方法，具体涉及种2,2'-联吡啶制备方法。该方法以吡啶为原料，以负载型镍作为催化剂，在定条件下使吡啶发生脱氢偶联反应，再经过过滤、蒸馏、洗涤、层析、重结晶等分离步骤对产物进行纯化，制得2,2'-联吡啶产品。与传统的直接偶联法和卤素法相比，本发明所提供的方法操作安全、方便，环境友好。</abstract><oa>free_for_read</oa></addata></record> |
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| title | Preparation method of 2, 2'-bipyridine |
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