DE2635841
An improvement in the alkoxylation of a compound having a reactive methylene group by contacting said compound with an orthoformic acid trialkyl ester in the presence of a catalyst, the improvement residing in employing at least 1.6 moles of orthoformic acid ester per mole of compound having a react...
Gespeichert in:
| Hauptverfasser: | , , , |
|---|---|
| Format: | Patent |
| Sprache: | eng |
| Schlagworte: | |
| Online-Zugang: | Volltext bestellen |
| Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
| container_end_page | |
|---|---|
| container_issue | |
| container_start_page | |
| container_title | |
| container_volume | |
| creator | BRETZINGER, DIETER. DR., 5204 LOHMAR, DE ACKERMANN, OTTO. DR., 5210 TROISDORF, DE STEPHAN, RUDOLF. DR., 5210 TROISDORF, DE SCHNEIDEWIND, HERBERT |
| description | An improvement in the alkoxylation of a compound having a reactive methylene group by contacting said compound with an orthoformic acid trialkyl ester in the presence of a catalyst, the improvement residing in employing at least 1.6 moles of orthoformic acid ester per mole of compound having a reactive methylene group and carrying out the process in the presence of a catalyst of the group of aliphatic carboxylic acids, anhydrides of aliphatic carboxylic acids, aromatic sulphonic acids, alkali metal alcoholates and alkanolamines. |
| format | Patent |
| fullrecord | <record><control><sourceid>epo_EVB</sourceid><recordid>TN_cdi_epo_espacenet_DE2635841C2</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>DE2635841C2</sourcerecordid><originalsourceid>FETCH-epo_espacenet_DE2635841C23</originalsourceid><addsrcrecordid>eNrjZOB0cTUyMza1MDHkYWBNS8wpTuWF0twMCm6uIc4euqkF-fGpxQWJyal5qSXxcPXORsZEKAEAzcQadg</addsrcrecordid><sourcetype>Open Access Repository</sourcetype><iscdi>true</iscdi><recordtype>patent</recordtype></control><display><type>patent</type><title>DE2635841</title><source>esp@cenet</source><creator>BRETZINGER, DIETER. DR., 5204 LOHMAR, DE ; ACKERMANN, OTTO. DR., 5210 TROISDORF, DE ; STEPHAN, RUDOLF. DR., 5210 TROISDORF, DE ; SCHNEIDEWIND, HERBERT</creator><creatorcontrib>BRETZINGER, DIETER. DR., 5204 LOHMAR, DE ; ACKERMANN, OTTO. DR., 5210 TROISDORF, DE ; STEPHAN, RUDOLF. DR., 5210 TROISDORF, DE ; SCHNEIDEWIND, HERBERT</creatorcontrib><description>An improvement in the alkoxylation of a compound having a reactive methylene group by contacting said compound with an orthoformic acid trialkyl ester in the presence of a catalyst, the improvement residing in employing at least 1.6 moles of orthoformic acid ester per mole of compound having a reactive methylene group and carrying out the process in the presence of a catalyst of the group of aliphatic carboxylic acids, anhydrides of aliphatic carboxylic acids, aromatic sulphonic acids, alkali metal alcoholates and alkanolamines.</description><language>eng</language><subject>ACYCLIC OR CARBOCYCLIC COMPOUNDS ; APPARATUS THEREFOR ; CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY ; CHEMISTRY ; GENERAL METHODS OF ORGANIC CHEMISTRY ; METALLURGY ; ORGANIC CHEMISTRY ; PERFORMING OPERATIONS ; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL ; THEIR RELEVANT APPARATUS ; TRANSPORTING</subject><creationdate>1983</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=19830224&DB=EPODOC&CC=DE&NR=2635841C2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76418</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19830224&DB=EPODOC&CC=DE&NR=2635841C2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>BRETZINGER, DIETER. DR., 5204 LOHMAR, DE</creatorcontrib><creatorcontrib>ACKERMANN, OTTO. DR., 5210 TROISDORF, DE</creatorcontrib><creatorcontrib>STEPHAN, RUDOLF. DR., 5210 TROISDORF, DE</creatorcontrib><creatorcontrib>SCHNEIDEWIND, HERBERT</creatorcontrib><title>DE2635841</title><description>An improvement in the alkoxylation of a compound having a reactive methylene group by contacting said compound with an orthoformic acid trialkyl ester in the presence of a catalyst, the improvement residing in employing at least 1.6 moles of orthoformic acid ester per mole of compound having a reactive methylene group and carrying out the process in the presence of a catalyst of the group of aliphatic carboxylic acids, anhydrides of aliphatic carboxylic acids, aromatic sulphonic acids, alkali metal alcoholates and alkanolamines.</description><subject>ACYCLIC OR CARBOCYCLIC COMPOUNDS</subject><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>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>1983</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZOB0cTUyMza1MDHkYWBNS8wpTuWF0twMCm6uIc4euqkF-fGpxQWJyal5qSXxcPXORsZEKAEAzcQadg</recordid><startdate>19830224</startdate><enddate>19830224</enddate><creator>BRETZINGER, DIETER. DR., 5204 LOHMAR, DE</creator><creator>ACKERMANN, OTTO. DR., 5210 TROISDORF, DE</creator><creator>STEPHAN, RUDOLF. DR., 5210 TROISDORF, DE</creator><creator>SCHNEIDEWIND, HERBERT</creator><scope>EVB</scope></search><sort><creationdate>19830224</creationdate><title>DE2635841</title><author>BRETZINGER, DIETER. DR., 5204 LOHMAR, DE ; ACKERMANN, OTTO. DR., 5210 TROISDORF, DE ; STEPHAN, RUDOLF. DR., 5210 TROISDORF, DE ; SCHNEIDEWIND, HERBERT</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_DE2635841C23</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1983</creationdate><topic>ACYCLIC OR CARBOCYCLIC COMPOUNDS</topic><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>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>BRETZINGER, DIETER. DR., 5204 LOHMAR, DE</creatorcontrib><creatorcontrib>ACKERMANN, OTTO. DR., 5210 TROISDORF, DE</creatorcontrib><creatorcontrib>STEPHAN, RUDOLF. DR., 5210 TROISDORF, DE</creatorcontrib><creatorcontrib>SCHNEIDEWIND, HERBERT</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>BRETZINGER, DIETER. DR., 5204 LOHMAR, DE</au><au>ACKERMANN, OTTO. DR., 5210 TROISDORF, DE</au><au>STEPHAN, RUDOLF. DR., 5210 TROISDORF, DE</au><au>SCHNEIDEWIND, HERBERT</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>DE2635841</title><date>1983-02-24</date><risdate>1983</risdate><abstract>An improvement in the alkoxylation of a compound having a reactive methylene group by contacting said compound with an orthoformic acid trialkyl ester in the presence of a catalyst, the improvement residing in employing at least 1.6 moles of orthoformic acid ester per mole of compound having a reactive methylene group and carrying out the process in the presence of a catalyst of the group of aliphatic carboxylic acids, anhydrides of aliphatic carboxylic acids, aromatic sulphonic acids, alkali metal alcoholates and alkanolamines.</abstract><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext_linktorsrc |
| identifier | |
| ispartof | |
| issn | |
| language | eng |
| recordid | cdi_epo_espacenet_DE2635841C2 |
| source | esp@cenet |
| subjects | ACYCLIC OR CARBOCYCLIC COMPOUNDS APPARATUS THEREFOR CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY GENERAL METHODS OF ORGANIC CHEMISTRY METALLURGY ORGANIC CHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING |
| title | DE2635841 |
| url | https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2025-01-09T04%3A12%3A19IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-epo_EVB&rft_val_fmt=info:ofi/fmt:kev:mtx:patent&rft.genre=patent&rft.au=BRETZINGER,%20DIETER.%20DR.,%205204%20LOHMAR,%20DE&rft.date=1983-02-24&rft_id=info:doi/&rft_dat=%3Cepo_EVB%3EDE2635841C2%3C/epo_EVB%3E%3Curl%3E%3C/url%3E&disable_directlink=true&sfx.directlink=off&sfx.report_link=0&rft_id=info:oai/&rft_id=info:pmid/&rfr_iscdi=true |