{"id":2143,"date":"1992-04-07T16:40:18","date_gmt":"1992-04-07T14:40:18","guid":{"rendered":"http:\/\/www.fluoritech.it\/?p=2143"},"modified":"2025-03-27T17:29:37","modified_gmt":"2025-03-27T16:29:37","slug":"process-for-preparing-perfluoroalkenyl-sulfonyl-fluorides-3","status":"publish","type":"post","link":"https:\/\/www.fluoritech.com\/?p=2143","title":{"rendered":"Process for Preparing Perfluoroalkenyl-Sulfonyl Fluorides"},"content":{"rendered":"<p>US Patent: 50103051 A<\/p>\n<p>Date: Apr. 7 1992<\/p>\n<p>Inventors: W. Navarrini, S. Modena<\/p>\n<p>ABSTRACT<\/p>\n<p>A continuous process for preparing perfluoroalkenyl sulfonyl fluorides (I)<\/p>\n<p>Rf-CF=CF-SO2F (I)<\/p>\n<p>wherein Rf is selected from the group consisting of F and a perfluoroalkyl group of from 1 to 9 carbon atoms is disclosed, in which a perfluoroalkyl (sulfonyl fluoride) monofluoroacetyl fluoride of formula<\/p>\n<p>Rf-CF2-CF(COF)SO2F (II)<\/p>\n<p>is used as the starting product. The starting product is contacted with a reactant selected from the group consisting of the oxides of an element of the Groups IA, IIA, IIB, IIIA and IVA of the Periodic Table of Elements, at a temperature comprised within the range of 150 to 450 C, and the compound (I) is recovered from the reaction effluent.<\/p>\n<p><a href=\"http:\/\/www.fluoritech.it\/wp-content\/uploads\/2013\/11\/US5103051.pdf\">US5103051 &#8211; PDF<\/a><\/p>\n<p><!--:--><!--:it-->US Patent: 50103051 A<\/p>\n<p>Date: Apr. 7 1992<\/p>\n<p>Inventors: W. Navarrini, S. Modena<\/p>\n<p>ABSTRACT<\/p>\n<p>A continuous process for preparing perfluoroalkenyl sulfonyl fluorides (I)<\/p>\n<p>Rf-CF=CF-SO2F (I)<\/p>\n<p>wherein Rf is selected from the group consisting of F and a perfluoroalkyl group of from 1 to 9 carbon atoms is disclosed, in which a perfluoroalkyl (sulfonyl fluoride) monofluoroacetyl fluoride of formula<\/p>\n<p>Rf-CF2-CF(COF)SO2F (II)<\/p>\n<p>is used as the starting product. The starting product is contacted with a reactant selected from the group consisting of the oxides of an element of the Groups IA, IIA, IIB, IIIA and IVA of the Periodic Table of Elements, at a temperature comprised within the range of 150 to 450 C, and the compound (I) is recovered from the reaction effluent.<\/p>\n<p><a href=\"http:\/\/www.fluoritech.it\/wp-content\/uploads\/2013\/11\/US5103051.pdf\">US5103051 &#8211; PDF<\/a><\/p>\n<p><!--:--><\/p>\n","protected":false},"excerpt":{"rendered":"<p>US Patent: 50103051 A Date: Apr. 7 1992 Inventors: W. Navarrini, S. Modena ABSTRACT A continuous process for preparing perfluoroalkenyl sulfonyl fluorides (I) Rf-CF=CF-SO2F (I) wherein Rf is selected from the group consisting of F and a perfluoroalkyl group of from 1 to 9 carbon atoms is disclosed, in which a perfluoroalkyl (sulfonyl fluoride) monofluoroacetyl [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"saved_in_kubio":false,"footnotes":""},"categories":[26],"tags":[],"class_list":["post-2143","post","type-post","status-publish","format-standard","hentry","category-patents-1992"],"_links":{"self":[{"href":"https:\/\/www.fluoritech.com\/index.php?rest_route=\/wp\/v2\/posts\/2143","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.fluoritech.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.fluoritech.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.fluoritech.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.fluoritech.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2143"}],"version-history":[{"count":9,"href":"https:\/\/www.fluoritech.com\/index.php?rest_route=\/wp\/v2\/posts\/2143\/revisions"}],"predecessor-version":[{"id":3881,"href":"https:\/\/www.fluoritech.com\/index.php?rest_route=\/wp\/v2\/posts\/2143\/revisions\/3881"}],"wp:attachment":[{"href":"https:\/\/www.fluoritech.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2143"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fluoritech.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2143"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fluoritech.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2143"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}