{"id":455,"date":"2025-03-07T12:05:32","date_gmt":"2025-03-07T12:05:32","guid":{"rendered":"https:\/\/vivalr.com\/product\/455.html"},"modified":"2025-03-07T12:22:27","modified_gmt":"2025-03-07T12:22:27","slug":"high-quality-boronic-acid-b-99%e2%80%b2-spirobi9h-fluoren-2%e2%80%b2-yl-cas-236389-21-2-with-best-price","status":"publish","type":"product","link":"https:\/\/vivalr.com\/es\/product\/455.html","title":{"rendered":"High Quality Boronic acid, B-9,9\u2032-spirobi[9H-fluoren]-2\u2032-yl- CAS 236389-21-2 With Best Price"},"content":{"rendered":"<div class=\"content\">\n<h1>High Quality Boronic Acid, B-9,9\u2032-spirobi[9H-fluoren]-2\u2032-yl- CAS 236389-21-2: User Guide<\/h1>\n<p>        <!-- Table of Contents --><\/p>\n<div class=\"toc\">\n<h2>\u00cdndice<\/h2>\n<ul>\n<li><a href=\"#section1\">1. Product Overview & Specifications<\/a><\/li>\n<li><a href=\"#section2\">2. Applications of B-9,9\u2032-spirobi[9H-fluoren]-2\u2032-yl- Boronic Acid<\/a><\/li>\n<li><a href=\"#section3\">3. Directrices de uso<\/a><\/li>\n<li><a href=\"#section4\">4. Casos de uso detallados<\/a><\/li>\n<li><a href=\"#section5\">5. 5. Informaci\u00f3n de contacto<\/a><\/li>\n<\/ul><\/div>\n<p>        <!-- Section 1: Product Specifications --><\/p>\n<div id=\"section1\" class=\"section\">\n<h2>1. Product Overview & Specifications<\/h2>\n<p><strong>Nombre del producto:<\/strong> B-9,9\u2032-spirobi[9H-fluoren]-2\u2032-yl- Boronic Acid<\/p>\n<p><strong>N\u00famero CAS:<\/strong> 236389-21-2<\/p>\n<p><strong>F\u00f3rmula molecular:<\/strong> C\u2082\u2085H\u2081\u2087BO\u2082<\/p>\n<p><strong>Peso molecular:<\/strong> 360.22 g\/mol<\/p>\n<p><strong>Apariencia:<\/strong> Polvo cristalino entre blanco y blanquecino<\/p>\n<p><strong>Pureza:<\/strong> \u226598% (HPLC)<\/p>\n<p><strong>Condiciones de almacenamiento:<\/strong> Conservar en lugar fresco y seco a 2-8\u00b0C bajo atm\u00f3sfera inerte.<\/p>\n<\/p><\/div>\n<p>        <!-- Section 2: Applications --><\/p>\n<div id=\"section2\" class=\"section\">\n<h2>2. Applications of B-9,9\u2032-spirobi[9H-fluoren]-2\u2032-yl- Boronic Acid<\/h2>\n<p>This boronic acid derivative is widely used in:<\/p>\n<ul>\n<li><strong>Suzuki-Miyaura Cross-Coupling Reactions:<\/strong> Key intermediate in synthesizing biaryl compounds for pharmaceuticals and organic electronics.<\/li>\n<li><strong>Materiales OLED:<\/strong> Building block for light-emitting layers due to its rigid spirobi[fluorene] structure.<\/li>\n<li><strong>Investigaci\u00f3n farmac\u00e9utica:<\/strong> S\u00edntesis de mol\u00e9culas bioactivas y candidatos a f\u00e1rmacos.<\/li>\n<li><strong>Polymer Chemistry:<\/strong> Monomer for creating high-performance polymers with tailored properties.<\/li>\n<\/ul><\/div>\n<p>        <!-- Section 3: Usage Guidelines --><\/p>\n<div id=\"section3\" class=\"section\">\n<h2>3. Directrices de uso<\/h2>\n<h3>Precauciones de manipulaci\u00f3n<\/h3>\n<ul>\n<li>Use personal protective equipment (gloves, goggles, lab coat).<\/li>\n<li>Avoid exposure to moisture; handle under inert gas (e.g., nitrogen or argon).<\/li>\n<\/ul>\n<h3>Recommended Solvents<\/h3>\n<ul>\n<li>THF, DMSO, or DMF for dissolution.<\/li>\n<li>Optimal reaction concentration: 0.1-0.5 M.<\/li>\n<\/ul>\n<h3>Condiciones de reacci\u00f3n<\/h3>\n<ul>\n<li>Temperature: 60-100\u00b0C (depending on catalyst system).<\/li>\n<li>Catalysts: Pd(PPh\u2083)\u2084 or PdCl\u2082(dppf) recommended.<\/li>\n<\/ul><\/div>\n<p>        <!-- Section 4: Use Cases --><\/p>\n<div id=\"section4\" class=\"section\">\n<h2>4. Casos de uso detallados<\/h2>\n<h3>Case Study 1: OLED Material Synthesis<\/h3>\n<p><strong>Objetivo:<\/strong> Synthesize a blue-emitting spirobi[fluorene]-based compound.<\/p>\n<p><strong>Procedimiento:<\/strong><\/p>\n<ol>\n<li>Mix 1.2 eq of B-9,9\u2032-spirobi[fluoren]-2\u2032-yl- boronic acid with 1 eq bromo-spiro[fluorene] in THF.<\/li>\n<li>Add 0.05 eq Pd(PPh\u2083)\u2084 and 3 eq K\u2082CO\u2083 aqueous solution.<\/li>\n<li>React at 80\u00b0C for 12 hours under nitrogen.<\/li>\n<li>Yield: 85% after purification via column chromatography.<\/li>\n<\/ol>\n<h3>Caso pr\u00e1ctico 2: Intermediario farmac\u00e9utico<\/h3>\n<p><strong>Aplicaci\u00f3n:<\/strong> Synthesis of a tyrosine kinase inhibitor precursor.<\/p>\n<p><strong>Proceso:<\/strong><\/p>\n<ol>\n<li>Couple 1 eq boronic acid with 1.1 eq aryl bromide using PdCl\u2082(dppf) in DMF\/H\u2082O.<\/li>\n<li>Heat at 90\u00b0C for 8 hours.<\/li>\n<li>Isolate product via acid-base extraction (85% yield).<\/li>\n<\/ol><\/div>\n<p>        <!-- Section 5: Contact --><\/p>\n<div id=\"section5\" class=\"section\">\n<h2>5. 5. Informaci\u00f3n de contacto<\/h2>\n<p>Para consultas t\u00e9cnicas o pedidos al por mayor:<\/p>\n<ul>\n<li>Correo electr\u00f3nico: <a href=\"mailto:info@vivalr.com\">info@vivalr.com<\/a><\/li>\n<li>Tel\u00e9fono: <a href=\"tel:+8615866781826\">(86) 15866781826<\/a><\/li>\n<\/ul><\/div>\n<\/p><\/div>","protected":false},"excerpt":{"rendered":"<p>High Quality Boronic Acid, B-9,9\u2032-spirobi[9H-fluoren]-2\u2032-yl- CAS 236389-21-2: User Guide Table of Contents 1. Product Overview &#038; Specifications 2. Applications of B-9,9\u2032-spirobi[9H-fluoren]-2\u2032-yl- Boronic Acid 3. Usage Guidelines 4. Detailed Use Cases 5. Contact Information 1. Product Overview &#038; Specifications Product Name: B-9,9\u2032-spirobi[9H-fluoren]-2\u2032-yl- Boronic Acid CAS Number: 236389-21-2 Molecular Formula: C\u2082\u2085H\u2081\u2087BO\u2082 Molecular Weight: 360.22 g\/mol Appearance: White [&hellip;]<\/p>","protected":false},"featured_media":21395,"comment_status":"closed","ping_status":"open","template":"","meta":[],"product_brand":[],"product_cat":[15],"product_tag":[],"class_list":{"0":"post-455","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>High Quality Boronic acid, B-9,9\u2032-spirobi[9H-fluoren]-2\u2032-yl- CAS 236389-21-2 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\/es\/product\/455.html\" \/>\n<meta property=\"og:locale\" content=\"es_MX\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"High Quality Boronic acid, B-9,9\u2032-spirobi[9H-fluoren]-2\u2032-yl- CAS 236389-21-2 With Best Price\" \/>\n<meta property=\"og:description\" content=\"High Quality Boronic Acid, B-9,9\u2032-spirobi[9H-fluoren]-2\u2032-yl- CAS 236389-21-2: User Guide Table of Contents 1. 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