{"id":8532,"date":"2025-03-07T12:14:18","date_gmt":"2025-03-07T12:14:18","guid":{"rendered":"https:\/\/vivalr.com\/product\/8532.html"},"modified":"2025-03-07T12:37:20","modified_gmt":"2025-03-07T12:37:20","slug":"high-quality-xant-phos-cas-161265-03-8-with-best-price","status":"publish","type":"product","link":"https:\/\/vivalr.com\/pt\/product\/8532.html","title":{"rendered":"Alta qualidade xant phos cas 161265-03-8 com melhor pre\u00e7o"},"content":{"rendered":"<h1>Guia do utilizador para xant phos cas 161265-03-8 de alta qualidade com o melhor pre\u00e7o<\/h1>\n<h2>\u00cdndice<\/h2>\n<ul>\n<li><a href=\"#basic_info\">Informa\u00e7\u00f5es e par\u00e2metros b\u00e1sicos<\/a><\/li>\n<li><a href=\"#uses\">Utiliza\u00e7\u00f5es do produto<\/a><\/li>\n<li><a href=\"#usage\">Utiliza\u00e7\u00e3o do produto<\/a><\/li>\n<li><a href=\"#use_cases\">Casos de utiliza\u00e7\u00e3o de produtos<\/a><\/li>\n<li><a href=\"#contact\">Informa\u00e7\u00f5es de contacto<\/a><\/li>\n<\/ul>\n<h2 id=\"basic_info\">Informa\u00e7\u00f5es e par\u00e2metros b\u00e1sicos<\/h2>\n<p>O Xantphos, com o n\u00famero CAS 161265-03-8, \u00e9 um ligando de fosfina altamente significativo no campo da qu\u00edmica organomet\u00e1lica. Este produto, oferecido em forma de alta qualidade ao melhor pre\u00e7o, \u00e9 conhecido pela sua estrutura molecular \u00fanica. A f\u00f3rmula qu\u00edmica do Xantphos \u00e9 C\u2083\u2083H\u2083\u2080OP\u2082, e tem um peso molecular de aproximadamente 508,54 g\/mol. Aparece como um p\u00f3 branco a off - branco. A pureza do nosso Xantphos \u00e9 tipicamente acima de 98%, garantindo alto desempenho em v\u00e1rias rea\u00e7\u00f5es qu\u00edmicas. Possui boa solubilidade em solventes org\u00e2nicos comuns, como tolueno, diclorometano e tetrahidrofurano, o que o torna conveniente para uso em diferentes sistemas de rea\u00e7\u00e3o.<\/p>\n<h2 id=\"uses\">Utiliza\u00e7\u00f5es do produto<\/h2>\n<p>O xantphos \u00e9 um ligando vers\u00e1til com uma vasta gama de aplica\u00e7\u00f5es em s\u00edntese org\u00e2nica. Uma das suas principais utiliza\u00e7\u00f5es \u00e9 em reac\u00e7\u00f5es de acoplamento cruzado catalisadas por metais de transi\u00e7\u00e3o. Pode formar complexos est\u00e1veis com v\u00e1rios metais de transi\u00e7\u00e3o, como o pal\u00e1dio, o r\u00f3dio e o n\u00edquel. Nas reac\u00e7\u00f5es catalisadas por pal\u00e1dio, os complexos Xantphos - pal\u00e1dio s\u00e3o altamente eficazes nas reac\u00e7\u00f5es Suzuki - Miyaura, Buchwald - Hartwig e Heck. Estas reac\u00e7\u00f5es s\u00e3o cruciais para a constru\u00e7\u00e3o de liga\u00e7\u00f5es carbono - carbono e carbono - hetero\u00e1tomo, que s\u00e3o passos fundamentais na s\u00edntese de produtos farmac\u00eauticos, agroqu\u00edmicos e materiais avan\u00e7ados. Por exemplo, na s\u00edntese de produtos naturais complexos, a utiliza\u00e7\u00e3o de catalisadores \u00e0 base de Xantphos pode melhorar o rendimento e a seletividade da rea\u00e7\u00e3o, permitindo a montagem eficiente da mol\u00e9cula alvo. Al\u00e9m disso, o Xantphos \u00e9 tamb\u00e9m utilizado na cat\u00e1lise assim\u00e9trica, onde pode induzir a quiralidade nos produtos da rea\u00e7\u00e3o, o que \u00e9 essencial para a produ\u00e7\u00e3o de compostos enantiomericamente puros.<\/p>\n<h2 id=\"usage\">Utiliza\u00e7\u00e3o do produto<\/h2>\n<p>Ao utilizar o Xantphos, \u00e9 importante manuse\u00e1-lo numa \u00e1rea bem ventilada e usar equipamento de prote\u00e7\u00e3o individual adequado. Em primeiro lugar, dissolver a quantidade necess\u00e1ria de Xantphos num solvente org\u00e2nico adequado, como o tolueno ou o diclorometano. A escolha do solvente depende da natureza da rea\u00e7\u00e3o e dos requisitos de solubilidade. Em seguida, adicionar o precursor do metal de transi\u00e7\u00e3o, como o acetato de pal\u00e1dio ou o cloreto de pal\u00e1dio, para formar o complexo catal\u00edtico. A rela\u00e7\u00e3o entre o Xantphos e o precursor met\u00e1lico deve ser cuidadosamente controlada de acordo com as condi\u00e7\u00f5es de rea\u00e7\u00e3o e a atividade catal\u00edtica desejada. Geralmente, \u00e9 utilizada uma rela\u00e7\u00e3o molar de 1:1 a 2:1 (ligando:metal). Ap\u00f3s a forma\u00e7\u00e3o do complexo, adicionar os reagentes e outros reagentes para iniciar a rea\u00e7\u00e3o. Monitorizar o progresso da rea\u00e7\u00e3o atrav\u00e9s de t\u00e9cnicas anal\u00edticas adequadas, como a cromatografia em camada fina ou a cromatografia gasosa.<\/p>\n<h2 id=\"use_cases\">Casos de utiliza\u00e7\u00e3o de produtos<\/h2>\n<p>Caso 1: S\u00edntese de um intermedi\u00e1rio farmac\u00eautico. Uma empresa farmac\u00eautica estava a tentar sintetizar um intermedi\u00e1rio para um novo medicamento. Utilizaram um complexo Xantphos - pal\u00e1dio numa rea\u00e7\u00e3o de acoplamento cruzado Suzuki - Miyaura. A rea\u00e7\u00e3o envolveu o acoplamento de um brometo de arilo com um \u00e1cido bor\u00f3nico de arilo. Utilizando Xantphos como ligando, obtiveram um rendimento elevado de mais de 90% e uma excelente seletividade. As condi\u00e7\u00f5es de rea\u00e7\u00e3o eram suaves e os subprodutos eram facilmente separ\u00e1veis, o que reduziu significativamente as etapas de purifica\u00e7\u00e3o e melhorou a efici\u00eancia global do processo de s\u00edntese.<\/p>\n<p>Caso 2: Hidrogena\u00e7\u00e3o assim\u00e9trica. Num projeto de investiga\u00e7\u00e3o centrado na s\u00edntese de compostos quirais, o Xantphos foi utilizado numa rea\u00e7\u00e3o de hidrogena\u00e7\u00e3o assim\u00e9trica. Uma olefina pr\u00f3-quiral foi hidrogenada na presen\u00e7a de um complexo de r\u00f3dio - Xantphos. A rea\u00e7\u00e3o resultou num elevado excesso enantiom\u00e9rico de mais de 95%, o que constituiu uma melhoria significativa em compara\u00e7\u00e3o com outros ligandos testados. Isto demonstrou a efic\u00e1cia do Xantphos na cat\u00e1lise assim\u00e9trica, que \u00e9 crucial para a produ\u00e7\u00e3o de medicamentos quirais e produtos qu\u00edmicos finos.<\/p>\n<h2 id=\"contact\">Informa\u00e7\u00f5es de contacto<\/h2>\n<p>Se tiver alguma d\u00favida ou precisar de mais informa\u00e7\u00f5es sobre este produto, 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. Estamos empenhados em fornecer-lhe o melhor servi\u00e7o e produtos de alta qualidade.<\/p>","protected":false},"excerpt":{"rendered":"<p>User Guide for High Quality xant phos cas 161265-03-8 With Best Price Table of Contents Basic Information and Parameters Product Uses Product Usage Product Use Cases Contact Information Basic Information and Parameters Xantphos, with the CAS number 161265-03-8, is a highly significant phosphine ligand in the field of organometallic chemistry. This product, offered in high [&hellip;]<\/p>\n","protected":false},"featured_media":25323,"comment_status":"closed","ping_status":"open","template":"","meta":[],"product_brand":[],"product_cat":[15],"product_tag":[],"class_list":{"0":"post-8532","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 v28.1) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>High Quality xant phos cas 161265-03-8 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\/8532.html\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"High Quality xant phos cas 161265-03-8 With Best Price\" \/>\n<meta property=\"og:description\" content=\"User Guide for High Quality xant phos cas 161265-03-8 With Best Price Table of Contents Basic Information and Parameters Product Uses Product Usage Product Use Cases Contact Information Basic Information and Parameters Xantphos, with the CAS number 161265-03-8, is a highly significant phosphine ligand in the field of organometallic chemistry. 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