{"id":12144,"date":"2025-03-07T12:18:39","date_gmt":"2025-03-07T12:18:39","guid":{"rendered":"https:\/\/vivalr.com\/product\/12144.html"},"modified":"2025-03-07T12:44:36","modified_gmt":"2025-03-07T12:44:36","slug":"factory-supply-s-22%e2%80%b2-bisdiphenylphosphino-11%e2%80%b2-binaphthyl-cas-76189-56-5-with-best-price","status":"publish","type":"product","link":"https:\/\/vivalr.com\/pt\/product\/12144.html","title":{"rendered":"Fornecimento de f\u00e1brica (S) - (-) -2,2\u2032-Bis (difenilfosfino) -1,1\u2032-binaftil Cas 76189-56-5 com melhor pre\u00e7o"},"content":{"rendered":"<h1>Guia do utilizador: Fornecimento de f\u00e1brica (S) - (-) -2,2\u2032-Bis (difenilfosfino) -1,1\u2032-binaftil Cas 76189-56-5<\/h1>\n<nav>\n<ul>\n<li><a href=\"#basic_info\">Informa\u00e7\u00f5es e par\u00e2metros b\u00e1sicos<\/a><\/li>\n<li><a href=\"#product_usage\">Utiliza\u00e7\u00e3o do produto<\/a><\/li>\n<li><a href=\"#product_operation\">Funcionamento do produto<\/a><\/li>\n<li><a href=\"#usage_case\">Casos de utiliza\u00e7\u00e3o<\/a><\/li>\n<li><a href=\"#contact_info\">Informa\u00e7\u00f5es de contacto<\/a><\/li>\n<\/ul>\n<\/nav>\n<h2 id=\"basic_info\">Informa\u00e7\u00f5es e par\u00e2metros b\u00e1sicos<\/h2>\n<p>O produto, (S)-(-)-2,2\u2032-Bis(difenilfosfino)-1,1\u2032-binaftilo com o n\u00famero CAS 76189-56-5, \u00e9 um composto qu\u00edmico de alta qualidade fornecido diretamente da f\u00e1brica ao melhor pre\u00e7o. Este ligando de difosfina quiral \u00e9 bem conhecido no campo da qu\u00edmica org\u00e2nica. A sua f\u00f3rmula qu\u00edmica \u00e9 C44H32P2, e tem um peso molecular de aproximadamente 622,67 g\/mol. Apresenta-se normalmente como um p\u00f3 branco a esbranqui\u00e7ado. O produto apresenta boa estabilidade em condi\u00e7\u00f5es normais de armazenamento, mas deve ser mantido afastado de agentes oxidantes fortes, humidade e luz solar direta. \u00c9 sol\u00favel em solventes org\u00e2nicos comuns, tais como tolueno, diclorometano e tetra-hidrofurano.<\/p>\n<h2 id=\"product_usage\">Utiliza\u00e7\u00e3o do produto<\/h2>\n<p>O (S)-(-)-2,2\u2032-Bis(difenilfosfino)-1,1\u2032-binaftilo \u00e9 um ligando quiral crucial na cat\u00e1lise assim\u00e9trica. A cat\u00e1lise assim\u00e9trica \u00e9 de grande import\u00e2ncia na s\u00edntese de produtos farmac\u00eauticos, agroqu\u00edmicos e produtos qu\u00edmicos finos. Este ligando pode ser utilizado numa variedade de reac\u00e7\u00f5es catal\u00edticas, incluindo hidrogena\u00e7\u00e3o, hidroformila\u00e7\u00e3o e reac\u00e7\u00f5es de acoplamento cruzado. Na s\u00edntese de medicamentos quirais, pode ajudar a controlar a estereoqu\u00edmica da rea\u00e7\u00e3o, conduzindo \u00e0 forma\u00e7\u00e3o de produtos enantiomericamente puros. Por exemplo, na prepara\u00e7\u00e3o de medicamentos anti-inflamat\u00f3rios, a utiliza\u00e7\u00e3o deste ligando pode melhorar a efici\u00eancia e a seletividade do processo de s\u00edntese, resultando em produtos de melhor qualidade e com menos efeitos secund\u00e1rios.<\/p>\n<h2 id=\"product_operation\">Funcionamento do produto<\/h2>\n<p>Ao utilizar (S)-(-)-2,2\u2032-Bis(difenilfosfino)-1,1\u2032-binaftilo, \u00e9 essencial seguir os procedimentos laboratoriais corretos. Em primeiro lugar, certifique-se de que est\u00e1 a trabalhar numa \u00e1rea bem ventilada. Usar equipamento de prote\u00e7\u00e3o individual adequado, como luvas e \u00f3culos de seguran\u00e7a. Antes da utiliza\u00e7\u00e3o, verificar o aspeto do produto. Se apresentar sinais de descolora\u00e7\u00e3o ou aglomera\u00e7\u00e3o, pode ter sido danificado durante o armazenamento. Pesar com precis\u00e3o a quantidade necess\u00e1ria do produto utilizando uma balan\u00e7a num ambiente seco. Ao adicion\u00e1-lo ao sistema de rea\u00e7\u00e3o, utilize uma seringa ou esp\u00e1tula seca para evitar a introdu\u00e7\u00e3o de humidade. No processo de rea\u00e7\u00e3o, controlar a temperatura, a press\u00e3o e o tempo de rea\u00e7\u00e3o de acordo com as condi\u00e7\u00f5es espec\u00edficas da rea\u00e7\u00e3o. Ap\u00f3s a rea\u00e7\u00e3o, o produto pode ser separado e purificado por m\u00e9todos comuns, como a cromatografia em coluna ou a recristaliza\u00e7\u00e3o.<\/p>\n<h2 id=\"usage_case\">Casos de utiliza\u00e7\u00e3o<\/h2>\n<p>Caso 1: Numa empresa farmac\u00eautica, estavam a sintetizar um medicamento quiral contra o cancro. Utilizando (S)-(-)-2,2\u2032-Bis(difenilfosfino)-1,1\u2032-binaftil como ligando numa rea\u00e7\u00e3o de acoplamento cruzado catalisada por pal\u00e1dio, conseguiram obter um elevado excesso enantiom\u00e9rico (ee) de mais de 95%. As condi\u00e7\u00f5es de rea\u00e7\u00e3o foram optimizadas ajustando a raz\u00e3o entre o ligando e o catalisador de pal\u00e1dio e a temperatura de rea\u00e7\u00e3o. O rendimento do produto desejado foi significativamente melhorado em compara\u00e7\u00e3o com m\u00e9todos anteriores sem a utiliza\u00e7\u00e3o deste ligando quiral.<br \/>\nCaso 2: Um instituto de investiga\u00e7\u00e3o agroqu\u00edmica estava a desenvolver um novo tipo de inseticida quiral. Utilizaram este ligando numa rea\u00e7\u00e3o de hidrogena\u00e7\u00e3o catalisada por r\u00f3dio. A utiliza\u00e7\u00e3o de (S)-(-)-2,2\u2032-Bis(difenilfosfino)-1,1\u2032-binaftil conduziu a um processo de rea\u00e7\u00e3o mais eficiente com tempo de rea\u00e7\u00e3o reduzido. O inseticida quiral resultante mostrou uma maior atividade biol\u00f3gica e seletividade contra as pragas-alvo, tornando-o um produto mais eficaz e amigo do ambiente.<\/p>\n<h2 id=\"contact_info\">Informa\u00e7\u00f5es de contacto<\/h2>\n<p>Se tiver alguma d\u00favida ou necessidade em rela\u00e7\u00e3o a (S)-(-)-2,2\u2032-Bis(difenilfosfino)-1,1\u2032-binaftilo, n\u00e3o hesite em contactar-nos. O nosso endere\u00e7o de correio eletr\u00f3nico \u00e9 info@vivalr.com, e o nosso n\u00famero de telefone \u00e9 (86) 15866781826. Fornecer-lhe-emos apoio t\u00e9cnico profissional e produtos de alta qualidade.<\/p>","protected":false},"excerpt":{"rendered":"<p>User Guide: Factory Supply (S)-(-)-2,2\u2032-Bis(diphenylphosphino)-1,1\u2032-binaphthyl Cas 76189-56-5 Basic Information and Parameters Product Usage Product Operation Usage Cases Contact Information Basic Information and Parameters The product, (S)-(-)-2,2\u2032-Bis(diphenylphosphino)-1,1\u2032-binaphthyl with the CAS number 76189-56-5, is a high - quality chemical compound supplied directly from the factory at the best price. This chiral diphosphine ligand is well - known [&hellip;]<\/p>","protected":false},"featured_media":27112,"comment_status":"closed","ping_status":"open","template":"","meta":[],"product_brand":[],"product_cat":[15],"product_tag":[],"class_list":{"0":"post-12144","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-uncategorized","8":"first","9":"instock","10":"product-type-simple"},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.4 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Factory Supply (S)-(-)-2,2\u2032-Bis(diphenylphosphino)-1,1\u2032-binaphthyl Cas 76189-56-5 With Best Price - Welcome to VIVALR- Your Trusted Source for Chemical Raw Materials\uff01<\/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:\/\/vivalr.com\/pt\/product\/12144.html\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Factory Supply (S)-(-)-2,2\u2032-Bis(diphenylphosphino)-1,1\u2032-binaphthyl Cas 76189-56-5 With Best Price\" \/>\n<meta property=\"og:description\" content=\"User Guide: Factory Supply (S)-(-)-2,2\u2032-Bis(diphenylphosphino)-1,1\u2032-binaphthyl Cas 76189-56-5 Basic Information and Parameters Product Usage Product Operation Usage Cases Contact Information Basic Information and Parameters The product, (S)-(-)-2,2\u2032-Bis(diphenylphosphino)-1,1\u2032-binaphthyl with the CAS number 76189-56-5, is a high - quality chemical compound supplied directly from the factory at the best price. 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