{"id":4937,"date":"2021-12-27T13:30:08","date_gmt":"2021-12-27T13:30:08","guid":{"rendered":"https:\/\/longchangchemical.com\/?p=4937"},"modified":"2021-12-28T14:45:29","modified_gmt":"2021-12-28T14:45:29","slug":"commonly-used-reagents-ethyl-vinyl-ether","status":"publish","type":"post","link":"https:\/\/longchangchemical.com\/hu\/commonly-used-reagents-ethyl-vinyl-ether\/","title":{"rendered":"Gyakran haszn\u00e1lt reagensek - etil-vinil-\u00e9ter"},"content":{"rendered":"<p>\u3010English name\u3011Ethyl Vinyl Ether<\/p>\n\n\n\n<p>\u3010Molekul\u00e1ris k\u00e9plet\u3011 C4H8O<\/p>\n\n\n\n<p>\u3010Molekulat\u00f6meg\u301172.11<\/p>\n\n\n\n<p>\u3010CAS nyilv\u00e1ntart\u00e1si sz\u00e1m\u3011[109-92-2]<\/p>\n\n\n\n<p>\u3010Szerkezeti k\u00e9plet\u3011CH3CH2OCH=CH2<\/p>\n\n\n\n<p>[Fizikai tulajdons\u00e1gok] bp 33 oC, d 0,753 g\/cm3. A legt\u00f6bb szerves old\u00f3szerben old\u00f3dik, \u00e9s sz\u00e1mos szerves old\u00f3szerben felhaszn\u00e1lhat\u00f3.<\/p>\n\n\n\n<p>[Elk\u00e9sz\u00edt\u00e9s \u00e9s \u00e1rucikk] Ezt a reagenset a hazai \u00e9s k\u00fclf\u00f6ldi vegyipari reagensgy\u00e1rt\u00f3 c\u00e9gek \u00e1rus\u00edtj\u00e1k.<\/p>\n\n\n\n<p>[\u00d3vint\u00e9zked\u00e9sek] Ez a reagens er\u0151sen ill\u00e9kony \u00e9s gy\u00fal\u00e9kony vegyszer. Javasoljuk, hogy alacsony h\u0151m\u00e9rs\u00e9klet\u0171 \u00e9s sz\u00e1raz helyen t\u00e1rolja, \u00e9s f\u00fcstg\u00e1zelsz\u00edv\u00f3ban haszn\u00e1lja.<\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p>Az etil-vinil-\u00e9tert els\u0151sorban a hidroxilcsoport v\u00e9d\u0151csoportjak\u00e9nt, vinil\u00e1tviteli reagensk\u00e9nt haszn\u00e1lj\u00e1k, \u00e9s r\u00e9szt vesz a szerves szint\u00e9zisben a cikliz\u00e1ci\u00f3s add\u00edci\u00f3s reakci\u00f3ban.<\/p>\n\n\n\n<p>A hidroxi-csoportok sz\u00e1mos v\u00e9d\u0151csoportja k\u00f6z\u00fcl az egyik leggyakrabban haszn\u00e1lt \u00e9s legmegfelel\u0151bb v\u00e9d\u0151csoport az etil-vinil-\u00e9ter \u00e9s a hidroxil \u00e1ltal alkotott \u03b1-etoxi-etil\u00e9ter (EE). A reakci\u00f3hoz \u00e1ltal\u00e1ban er\u0151s savas kataliz\u00e1tor sz\u00fcks\u00e9ges, erre a c\u00e9lra TFA \u00e9s TsOH haszn\u00e1lhat\u00f3, a leggyakrabban haszn\u00e1lt a PPTS. A reakci\u00f3t \u00e1ltal\u00e1ban szobah\u0151m\u00e9rs\u00e9kleten t\u00f6bb \u00f3r\u00e1s kever\u00e9ssel fejezik be. A legt\u00f6bb esetben a term\u00e9k hozama 95% felett van (1. k\u00e9plet) [1,2]. Az EE v\u00e9d\u0151csoport savas k\u00f6r\u00fclm\u00e9nyek k\u00f6z\u00f6tt k\u00f6nnyen befejezheti a v\u00e9d\u0151v\u00e9d\u0151 reakci\u00f3t. PPTS-EtOH \u00e9s aq. HCl-MeOH az aj\u00e1nlott m\u00f3dszerek (2. egyenlet).<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.biochemsafebuy.com\/static\/kindeditor-4.1.10\/attached\/image\/20191127\/20191127095147_88752.jpg\" alt=\"\"\/><\/figure>\n\n\n\n<p>A higanyacet\u00e1t-sz\u00e1rmaz\u00e9k kataliz\u00e1tor hat\u00e1s\u00e1ra az etil-vinil-\u00e9ter \u00e9s a hidroxil vinil\u00e1tad\u00e1si reakci\u00f3ban a megfelel\u0151 vinil-\u00e9ter term\u00e9k keletkezik (3. k\u00e9plet) [5]. Ha f\u00e9m-pall\u00e1dium kataliz\u00e1tort haszn\u00e1lunk, akkor hat\u00e9konyan elker\u00fclhet\u0151 a f\u00e9m-higany kataliz\u00e1tor haszn\u00e1lata (4. k\u00e9plet) [6]. Ez a reakci\u00f3 az\u00e9rt \u00e9rtelmesebb, mert a term\u00e9k tov\u00e1bbi kondenz\u00e1ci\u00f3s reakci\u00f3knak vagy olefin-metat\u00e9zisnek vethet\u0151 al\u00e1 [7,8].<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.biochemsafebuy.com\/static\/kindeditor-4.1.10\/attached\/image\/20191127\/20191127095200_82254.jpg\" alt=\"\"\/><\/figure>\n\n\n\n<p>Az etil-vinil-\u00e9ter \u00e9s az allil-hidroxil vinil\u00e1tad\u00e1si reakci\u00f3ban a megfelel\u0151 vinil-\u00e9ter term\u00e9k keletkezik. A reakci\u00f3 \u00e1ltal\u00e1ban higanyacet\u00e1t katal\u00edzis\u00e9vel fejez\u0151dik be. A term\u00e9k toluolban vagy xilolban t\u00f6rt\u00e9n\u0151 hev\u00edt\u00e9se el\u0151id\u00e9zheti a megfelel\u0151 Claisen-\u00e1trendez\u0151d\u00e9st, \u00edgy a reakci\u00f3 fontos szintetikus \u00e9rt\u00e9ket k\u00e9pvisel. Norm\u00e1l k\u00f6r\u00fclm\u00e9nyek k\u00f6z\u00f6tt a k\u00e9tl\u00e9p\u00e9ses reakci\u00f3folyamat az \"egyfaz\u00e9k-f\u0151z\u00e9s\" (5. egyenlet, 6. egyenlet) felt\u00e9telei k\u00f6z\u00f6tt fejezhet\u0151 be [9~11].<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.biochemsafebuy.com\/static\/kindeditor-4.1.10\/attached\/image\/20191127\/20191127095310_54634.jpg\" alt=\"\"\/><\/figure>\n\n\n\n<p>Lewis-savas kataliz\u00e1torok jelenl\u00e9t\u00e9ben az etil-vinil-\u00e9ter is k\u00e9pes a megfelel\u0151 cikliz\u00e1ci\u00f3s reakci\u00f3ra [12,13].<\/p>","protected":false},"excerpt":{"rendered":"<p>\u3010English name\u3011Ethyl Vinyl Ether \u3010Molekul\u00e1ris k\u00e9plet\u3011 C4H8O \u3010Molekulat\u00f6meg\u301172,11 \u3010CAS nyilv\u00e1ntart\u00e1si sz\u00e1m\u3011[109-92-2] \u3010szerkezeti k\u00e9plet\u3011CH3CH2OCH=CH2 [Fizikai tulajdons\u00e1gok] bp 33 oC, d 0,753 g\/cm3. A legt\u00f6bb szerves old\u00f3szerben old\u00f3dik, \u00e9s sz\u00e1mos szerves old\u00f3szerben felhaszn\u00e1lhat\u00f3. [Elk\u00e9sz\u00edt\u00e9s \u00e9s \u00e1rucikk] Ezt a reagenset hazai \u00e9s k\u00fclf\u00f6ldi vegyipari reagensgy\u00e1rt\u00f3 c\u00e9gek \u00e1rus\u00edtj\u00e1k. [\u00d3vint\u00e9zked\u00e9sek] [...]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[114],"tags":[],"class_list":["post-4937","post","type-post","status-publish","format-standard","hentry","category-catalysts-chemical-auxiliary-agents"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.3.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Commonly used reagents-ethyl vinyl ether - Longchang Chemical<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/longchangchemical.com\/hu\/commonly-used-reagents-ethyl-vinyl-ether\/\" \/>\n<meta property=\"og:locale\" content=\"hu_HU\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Commonly used reagents-ethyl vinyl ether - Longchang Chemical\" \/>\n<meta property=\"og:description\" content=\"\u3010English name\u3011Ethyl Vinyl Ether \u3010Molecular formula\u3011 C4H8O \u3010Molecular Weight\u301172.11 \u3010CAS Registration Number\u3011[109-92-2] \u3010Structural formula\u3011CH3CH2OCH=CH2 [Physical properties] bp 33 oC, d 0.753 g\/cm3. It is soluble in most organic solvents and can be used in a variety of organic solvents. [Preparation and Commodity] This reagent is sold in chemical reagent companies at home and abroad. [Precautions] [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/longchangchemical.com\/hu\/commonly-used-reagents-ethyl-vinyl-ether\/\" \/>\n<meta property=\"og:site_name\" content=\"Longchang Chemical\" \/>\n<meta property=\"article:published_time\" content=\"2021-12-27T13:30:08+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2021-12-28T14:45:29+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.biochemsafebuy.com\/static\/kindeditor-4.1.10\/attached\/image\/20191127\/20191127095147_88752.jpg\" \/>\n<meta name=\"author\" content=\"Longchang Chemical\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/longchangchemical.com\/commonly-used-reagents-ethyl-vinyl-ether\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/longchangchemical.com\/commonly-used-reagents-ethyl-vinyl-ether\/\"},\"author\":{\"name\":\"Longchang Chemical\",\"@id\":\"https:\/\/longchangchemical.com\/#\/schema\/person\/ecb1ad846136c6f1ca534b62978c6a8e\"},\"headline\":\"Commonly used reagents-ethyl vinyl ether\",\"datePublished\":\"2021-12-27T13:30:08+00:00\",\"dateModified\":\"2021-12-28T14:45:29+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/longchangchemical.com\/commonly-used-reagents-ethyl-vinyl-ether\/\"},\"wordCount\":366,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/longchangchemical.com\/#organization\"},\"image\":{\"@id\":\"https:\/\/longchangchemical.com\/commonly-used-reagents-ethyl-vinyl-ether\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.biochemsafebuy.com\/static\/kindeditor-4.1.10\/attached\/image\/20191127\/20191127095147_88752.jpg\",\"articleSection\":[\"Catalysts &amp; 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It is soluble in most organic solvents and can be used in a variety of organic solvents. [Preparation and Commodity] This reagent is sold in chemical reagent companies at home and abroad. [Precautions] [&hellip;]","og_url":"https:\/\/longchangchemical.com\/hu\/commonly-used-reagents-ethyl-vinyl-ether\/","og_site_name":"Longchang Chemical","article_published_time":"2021-12-27T13:30:08+00:00","article_modified_time":"2021-12-28T14:45:29+00:00","og_image":[{"url":"https:\/\/www.biochemsafebuy.com\/static\/kindeditor-4.1.10\/attached\/image\/20191127\/20191127095147_88752.jpg","type":"","width":"","height":""}],"author":"Longchang Chemical","twitter_card":"summary_large_image","schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/longchangchemical.com\/commonly-used-reagents-ethyl-vinyl-ether\/#article","isPartOf":{"@id":"https:\/\/longchangchemical.com\/commonly-used-reagents-ethyl-vinyl-ether\/"},"author":{"name":"Longchang Chemical","@id":"https:\/\/longchangchemical.com\/#\/schema\/person\/ecb1ad846136c6f1ca534b62978c6a8e"},"headline":"Commonly used reagents-ethyl vinyl ether","datePublished":"2021-12-27T13:30:08+00:00","dateModified":"2021-12-28T14:45:29+00:00","mainEntityOfPage":{"@id":"https:\/\/longchangchemical.com\/commonly-used-reagents-ethyl-vinyl-ether\/"},"wordCount":366,"commentCount":0,"publisher":{"@id":"https:\/\/longchangchemical.com\/#organization"},"image":{"@id":"https:\/\/longchangchemical.com\/commonly-used-reagents-ethyl-vinyl-ether\/#primaryimage"},"thumbnailUrl":"https:\/\/www.biochemsafebuy.com\/static\/kindeditor-4.1.10\/attached\/image\/20191127\/20191127095147_88752.jpg","articleSection":["Catalysts &amp; 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