METHOD FOR PRODUCING CATALYST FOR CYCLIC CARBONATE SYNTHESIS
Provided are : a method for easily producing a heterogeneous catalyst having excellent catalytic activity at a low cost, said heterogeneous catalyst being used for the purpose of synthesizing a cyclic carbonate by subjecting to a reaction an epoxide and carbon dioxide; a catalyst which is obtained b...
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| creator | YAMAMOTO, Shouji TAKAHASHI, Toshikazu NANIKI, Takashi YASUDA, Hiroyuki |
| description | Provided are : a method for easily producing a heterogeneous catalyst having excellent catalytic activity at a low cost, said heterogeneous catalyst being used for the purpose of synthesizing a cyclic carbonate by subjecting to a reaction an epoxide and carbon dioxide; a catalyst which is obtained by this production method; and a method for synthesizing a cyclic carbonate with use of this catalyst. A method for producing a catalyst that is used for the purpose of synthesizing a cyclic carbonate by subjecting to a reaction an epoxide with carbon dioxide, said method comprising the following steps (a) and (b):
(a) a step of obtaining a catalyst precursor having a haloalkyl group or a haloaryl group, by subjecting to a reaction a silane compound having a haloalkyl group or a haloaryl group and a silica gel having an amount of adsorbed water of 1% by mass or less and
(b) a step of obtaining a catalyst for cyclic carbonate synthesis, by subjecting to a reaction the catalyst precursor obtained in step (a) and a tertiary phosphine, in which the molar ratio of the halogen content to the phosphorus content, namely [halogen]/[phosphorus] is from 0.8 to 1.6. |
| format | Patent |
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(a) a step of obtaining a catalyst precursor having a haloalkyl group or a haloaryl group, by subjecting to a reaction a silane compound having a haloalkyl group or a haloaryl group and a silica gel having an amount of adsorbed water of 1% by mass or less and
(b) a step of obtaining a catalyst for cyclic carbonate synthesis, by subjecting to a reaction the catalyst precursor obtained in step (a) and a tertiary phosphine, in which the molar ratio of the halogen content to the phosphorus content, namely [halogen]/[phosphorus] is from 0.8 to 1.6.</description><language>eng ; fre ; ger</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>2020</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=20200325&DB=EPODOC&CC=EP&NR=2990113B1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20200325&DB=EPODOC&CC=EP&NR=2990113B1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>YAMAMOTO, Shouji</creatorcontrib><creatorcontrib>TAKAHASHI, Toshikazu</creatorcontrib><creatorcontrib>NANIKI, Takashi</creatorcontrib><creatorcontrib>YASUDA, Hiroyuki</creatorcontrib><title>METHOD FOR PRODUCING CATALYST FOR CYCLIC CARBONATE SYNTHESIS</title><description>Provided are : a method for easily producing a heterogeneous catalyst having excellent catalytic activity at a low cost, said heterogeneous catalyst being used for the purpose of synthesizing a cyclic carbonate by subjecting to a reaction an epoxide and carbon dioxide; a catalyst which is obtained by this production method; and a method for synthesizing a cyclic carbonate with use of this catalyst. A method for producing a catalyst that is used for the purpose of synthesizing a cyclic carbonate by subjecting to a reaction an epoxide with carbon dioxide, said method comprising the following steps (a) and (b):
(a) a step of obtaining a catalyst precursor having a haloalkyl group or a haloaryl group, by subjecting to a reaction a silane compound having a haloalkyl group or a haloaryl group and a silica gel having an amount of adsorbed water of 1% by mass or less and
(b) a step of obtaining a catalyst for cyclic carbonate synthesis, by subjecting to a reaction the catalyst precursor obtained in step (a) and a tertiary phosphine, in which the molar ratio of the halogen content to the phosphorus content, namely [halogen]/[phosphorus] is from 0.8 to 1.6.</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>2020</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZLDxdQ3x8HdRcPMPUggI8ncJdfb0c1dwdgxx9IkMDgELO0c6-3g6A8WCnPz9HENcFYIj_UI8XIM9g3kYWNMSc4pTeaE0N4OCm2uIs4duakF-fGpxQWJyal5qSbxrgJGlpYGhobGToTERSgDCnilO</recordid><startdate>20200325</startdate><enddate>20200325</enddate><creator>YAMAMOTO, Shouji</creator><creator>TAKAHASHI, Toshikazu</creator><creator>NANIKI, Takashi</creator><creator>YASUDA, Hiroyuki</creator><scope>EVB</scope></search><sort><creationdate>20200325</creationdate><title>METHOD FOR PRODUCING CATALYST FOR CYCLIC CARBONATE SYNTHESIS</title><author>YAMAMOTO, Shouji ; TAKAHASHI, Toshikazu ; NANIKI, Takashi ; YASUDA, Hiroyuki</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP2990113B13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>2020</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>YAMAMOTO, Shouji</creatorcontrib><creatorcontrib>TAKAHASHI, Toshikazu</creatorcontrib><creatorcontrib>NANIKI, Takashi</creatorcontrib><creatorcontrib>YASUDA, Hiroyuki</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>YAMAMOTO, Shouji</au><au>TAKAHASHI, Toshikazu</au><au>NANIKI, Takashi</au><au>YASUDA, Hiroyuki</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>METHOD FOR PRODUCING CATALYST FOR CYCLIC CARBONATE SYNTHESIS</title><date>2020-03-25</date><risdate>2020</risdate><abstract>Provided are : a method for easily producing a heterogeneous catalyst having excellent catalytic activity at a low cost, said heterogeneous catalyst being used for the purpose of synthesizing a cyclic carbonate by subjecting to a reaction an epoxide and carbon dioxide; a catalyst which is obtained by this production method; and a method for synthesizing a cyclic carbonate with use of this catalyst. A method for producing a catalyst that is used for the purpose of synthesizing a cyclic carbonate by subjecting to a reaction an epoxide with carbon dioxide, said method comprising the following steps (a) and (b):
(a) a step of obtaining a catalyst precursor having a haloalkyl group or a haloaryl group, by subjecting to a reaction a silane compound having a haloalkyl group or a haloaryl group and a silica gel having an amount of adsorbed water of 1% by mass or less and
(b) a step of obtaining a catalyst for cyclic carbonate synthesis, by subjecting to a reaction the catalyst precursor obtained in step (a) and a tertiary phosphine, in which the molar ratio of the halogen content to the phosphorus content, namely [halogen]/[phosphorus] is from 0.8 to 1.6.</abstract><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 | METHOD FOR PRODUCING CATALYST FOR CYCLIC CARBONATE SYNTHESIS |
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