Process for the manufacture of fluorosurfactants
A process for the manufacture of a perfluorooxycarboxylate of formula (I): RfO-CF2CF2-O-CF2-COOXa (I), wherein Rf is a perfluoro(oxy)alkyl group, and Xa is H, a monovalent metal or an ammonium group of formula NRN4, with RN, equal or different at each occurrence, being H or a C1-6 hydrocarbon group,...
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creator | Marchionni Giuseppe Tortelli Vito |
description | A process for the manufacture of a perfluorooxycarboxylate of formula (I): RfO-CF2CF2-O-CF2-COOXa (I), wherein Rf is a perfluoro(oxy)alkyl group, and Xa is H, a monovalent metal or an ammonium group of formula NRN4, with RN, equal or different at each occurrence, being H or a C1-6 hydrocarbon group, said process comprising: (A) reacting a perfluorovinylether of formula Rf-O-CF═CF2 with an ethylene glycol derivative selected among ethylene glycol (HO-CH2CH2-OH), glycolic acid (HO-CH2-COOH), glycolaldehyde (HO-CH2-CHO) and protected derivatives thereof, so as to yield the corresponding addition product of formula Rf-O-CFH-CF2-O-CH2-E, and E being selected among -CH2OH, -COOH and -CHO; (B) optionally protecting functional group E with suitable chemistry; (C) fluorinating the (protected) addition product to yield the corresponding perfluorinated addition product; (D) optionally deprotecting the perfluorinated addition product to yield corresponding acyl fluoride of formula Rf-O-CF2-CF2-O-CF2-C(O)F; and (E) hydrolyzing and, optionally, neutralizing, the acyl fluoride for yielding the perfluorooxycarboxylate of formula (I). |
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(B) optionally protecting functional group E with suitable chemistry; (C) fluorinating the (protected) addition product to yield the corresponding perfluorinated addition product; (D) optionally deprotecting the perfluorinated addition product to yield corresponding acyl fluoride of formula Rf-O-CF2-CF2-O-CF2-C(O)F; and (E) hydrolyzing and, optionally, neutralizing, the acyl fluoride for yielding the perfluorooxycarboxylate of formula (I).</description><language>eng</language><subject>ACYCLIC OR CARBOCYCLIC COMPOUNDS ; CHEMISTRY ; METALLURGY ; ORGANIC CHEMISTRY</subject><creationdate>2016</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=20160816&DB=EPODOC&CC=US&NR=9416085B2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20160816&DB=EPODOC&CC=US&NR=9416085B2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Marchionni Giuseppe</creatorcontrib><creatorcontrib>Tortelli Vito</creatorcontrib><title>Process for the manufacture of fluorosurfactants</title><description>A process for the manufacture of a perfluorooxycarboxylate of formula (I): RfO-CF2CF2-O-CF2-COOXa (I), wherein Rf is a perfluoro(oxy)alkyl group, and Xa is H, a monovalent metal or an ammonium group of formula NRN4, with RN, equal or different at each occurrence, being H or a C1-6 hydrocarbon group, said process comprising: (A) reacting a perfluorovinylether of formula Rf-O-CF═CF2 with an ethylene glycol derivative selected among ethylene glycol (HO-CH2CH2-OH), glycolic acid (HO-CH2-COOH), glycolaldehyde (HO-CH2-CHO) and protected derivatives thereof, so as to yield the corresponding addition product of formula Rf-O-CFH-CF2-O-CH2-E, and E being selected among -CH2OH, -COOH and -CHO; (B) optionally protecting functional group E with suitable chemistry; (C) fluorinating the (protected) addition product to yield the corresponding perfluorinated addition product; (D) optionally deprotecting the perfluorinated addition product to yield corresponding acyl fluoride of formula Rf-O-CF2-CF2-O-CF2-C(O)F; and (E) hydrolyzing and, optionally, neutralizing, the acyl fluoride for yielding the perfluorooxycarboxylate of formula (I).</description><subject>ACYCLIC OR CARBOCYCLIC COMPOUNDS</subject><subject>CHEMISTRY</subject><subject>METALLURGY</subject><subject>ORGANIC CHEMISTRY</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2016</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZDAIKMpPTi0uVkjLL1IoyUhVyE3MK01LTC4pLUpVyE9TSMspzS_KLy4tAokl5pUU8zCwpiXmFKfyQmluBgU31xBnD93Ugvz41OKCxOTUvNSS-NBgSxNDMwMLUycjYyKUAABE3iun</recordid><startdate>20160816</startdate><enddate>20160816</enddate><creator>Marchionni Giuseppe</creator><creator>Tortelli Vito</creator><scope>EVB</scope></search><sort><creationdate>20160816</creationdate><title>Process for the manufacture of fluorosurfactants</title><author>Marchionni Giuseppe ; Tortelli Vito</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US9416085B23</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2016</creationdate><topic>ACYCLIC OR CARBOCYCLIC COMPOUNDS</topic><topic>CHEMISTRY</topic><topic>METALLURGY</topic><topic>ORGANIC CHEMISTRY</topic><toplevel>online_resources</toplevel><creatorcontrib>Marchionni Giuseppe</creatorcontrib><creatorcontrib>Tortelli Vito</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Marchionni Giuseppe</au><au>Tortelli Vito</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Process for the manufacture of fluorosurfactants</title><date>2016-08-16</date><risdate>2016</risdate><abstract>A process for the manufacture of a perfluorooxycarboxylate of formula (I): RfO-CF2CF2-O-CF2-COOXa (I), wherein Rf is a perfluoro(oxy)alkyl group, and Xa is H, a monovalent metal or an ammonium group of formula NRN4, with RN, equal or different at each occurrence, being H or a C1-6 hydrocarbon group, said process comprising: (A) reacting a perfluorovinylether of formula Rf-O-CF═CF2 with an ethylene glycol derivative selected among ethylene glycol (HO-CH2CH2-OH), glycolic acid (HO-CH2-COOH), glycolaldehyde (HO-CH2-CHO) and protected derivatives thereof, so as to yield the corresponding addition product of formula Rf-O-CFH-CF2-O-CH2-E, and E being selected among -CH2OH, -COOH and -CHO; (B) optionally protecting functional group E with suitable chemistry; (C) fluorinating the (protected) addition product to yield the corresponding perfluorinated addition product; (D) optionally deprotecting the perfluorinated addition product to yield corresponding acyl fluoride of formula Rf-O-CF2-CF2-O-CF2-C(O)F; and (E) hydrolyzing and, optionally, neutralizing, the acyl fluoride for yielding the perfluorooxycarboxylate of formula (I).</abstract><oa>free_for_read</oa></addata></record> |
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title | Process for the manufacture of fluorosurfactants |
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