|
HS Code |
919076 |
| Iupac Name | 2-[(E)-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)ethenyl]pyridine |
| Molecular Formula | C13H18BNO2 |
| Molecular Weight | 229.10 g/mol |
| Cas Number | 864199-11-5 |
| Appearance | Off-white to pale yellow solid |
| Purity | Typically >97% |
| Smiles | B3OC(C)(C)C(O3)(C)C/C=C/c2ncccc2 |
| Inchi | 1S/C13H18BNO2/c1-13(2,3)17-12(16-13)14-8-7-11-6-4-5-10-15-9-11/h4-10H,1-3H3 |
| Solubility | Soluble in organic solvents (e.g., DMSO, dichloromethane) |
| Storage Conditions | Store at 2-8°C, protected from moisture and light |
| Logp | Estimated 2.3 |
As an accredited 2-[(E)-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)ethenyl]pyridine factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | A 1-gram sample is supplied in a clear glass vial with a white screw cap, labeled with compound name, quantity, and hazard warnings. |
| Container Loading (20′ FCL) | Container loading (20′ FCL) for 2-[(E)-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)ethenyl]pyridine ensures secure, efficient chemical transport in sealed drums. |
| Shipping | **Shipping Description:** 2-[(E)-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)ethenyl]pyridine should be shipped in tightly sealed containers, protected from moisture, light, and air. Use appropriate secondary containment, label as a laboratory chemical, and transport according to relevant chemical safety regulations. Avoid shipping with strong oxidizers or acids. Store at room temperature unless otherwise specified. |
| Storage | Store 2-[(E)-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)ethenyl]pyridine in a tightly sealed container under a dry, inert atmosphere, such as nitrogen or argon. Keep it in a cool, well-ventilated area, away from moisture, heat, and sources of ignition. Avoid contact with strong oxidizing agents. Protect from direct sunlight and store at room temperature or as specified by the manufacturer. |
| Shelf Life | Shelf life: When stored tightly sealed, protected from light, and under inert gas at 2-8°C, shelf life is typically 2 years. |
|
Purity 98%: 2-[(E)-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)ethenyl]pyridine with purity 98% is used in Suzuki–Miyaura cross-coupling reactions, where it enables high yield of biaryl product formation. Melting Point 88–92 °C: 2-[(E)-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)ethenyl]pyridine with a melting point of 88–92 °C is used in pharmaceutical intermediate synthesis, where it ensures optimal solid-state stability during processing. Molecular Weight 257.15 g/mol: 2-[(E)-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)ethenyl]pyridine of molecular weight 257.15 g/mol is used in material science research, where precise stoichiometry leads to reproducible reaction outcomes. Moisture Content <0.5%: 2-[(E)-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)ethenyl]pyridine with moisture content less than 0.5% is used in organometallic catalysis, where minimal hydrolysis improves catalytic efficiency. Stability Temperature up to 60 °C: 2-[(E)-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)ethenyl]pyridine stable up to 60 °C is used in electronic material development, where it maintains structural integrity during device fabrication. |
Competitive 2-[(E)-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)ethenyl]pyridine prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please contact us at +8615371019725 or mail to sales7@boxa-chem.com.
We will respond to you as soon as possible.
Tel: +8615371019725
Email: sales7@boxa-chem.com
Flexible payment, competitive price, premium service - Inquire now!
Inside the factory, every new drum of 2-[(E)-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)ethenyl]pyridine serves a purpose born out of many years of refining our synthetic procedures. Over time, the need for pyridine-based dioxaborolane derivatives has grown—not just in academia or pure research but in commercial pharma development and material science. Every batch we prepare draws on a chain of feedback, technical troubleshooting, and relentless improvement. This compound doesn’t fall into the overcrowded world of ordinary boronic acids. Instead, it brings together a rare combination—its ethenyl linkage offers a unique reactivity profile, while the pyridine ring opens doors in metal-catalyzed cross-coupling.
In our facility, we standardize production of this compound often referenced by its catalog model for traceability. Purity isn’t just a sales metric—it shapes how this boronic ester behaves under Suzuki–Miyaura conditions or in directed C-H activation. Across each 20-kg reactor load, technicians continually monitor color by eye and by instrument, with the typical crystalline yellow hue emerging only in batches that have passed strict isolation. Water content, residual solvents, and metal traces are painstakingly kept to the minimum. That’s not just for appearances—the results show in consistent yields when end-users run couplings, in the way our product stands up to tricky ligands or base choices, and in how often chemists call us back for repeat orders.
Our batches follow confirmed NMR, HPLC, and GC-MS signatures drawn from hundreds of trial runs. Each shipment reflects decisions made by bench chemists: how long to distil, the precise cooling profile during crystallization, the gas blanketing method, even how stock solutions are prepared for QC analyses. It takes thirty years to teach intuition for when a batch is likely to perform well downstream. Those who have run follow-up transformations on competitors’ dioxaborolane-pyridine terms often share frustrations with trace isomer content or degradation during storage. We collect these stories and use them to further hone our protocols. For us, reproducibility isn’t a technical footnote; it’s a measure of respect for the people staking their projects on our molecules.
In chemical manufacturing, boronic esters share the calendar with classics like phenylboronic acid, but from the inside, it is clear the ethenyl linkage on the pyridine nucleus separates 2-[(E)-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)ethenyl]pyridine from generics. Our synthesis showcases control over E-stereoselectivity, a detail that makes a world of difference in Suzuki cross-couplings or functional-materials work. Years ago, unreliable geometric purity troubled early adopters. These days, we screen not just by NMR but also by precise chiral HPLC (even when racemates are not expected) in order to reassure customers with sensitive downstream needs.
Some other boronate esters deteriorate quickly under air or fade in color with light exposure. Our teams learned not to leave product trays exposed on lab benches. This compound, stabilized with careful packaging and a dash of technological experience, holds up through normal storage and shipping. From a technical standpoint, its dioxaborolane group brings manageable hydrolysis while easing handling compared to the stickier boronic acids, making it an approachable reagent even for university teaching labs. Most of the time, clients order this molecule to serve as a cross-coupling partner. Our process reduces aryl and alkenyl impurities down to parts per million—something you can’t see in a photo, but every synthetic organic chemist will notice after one or two chromatographic runs.
Pharma researchers aiming to build pyridine–alkene bonds trust this intermediate for its predictable Suzuki behavior. Our product arrived at its current spec through years of testing with a spread of ligands and bases—Pd(PPh3)4, XPhos, SPhos—all in real production settings, not just on the analytical bench. The alkene moiety’s E-configuration simplifies product isolation and attributes specific biological activity in final targets, which is why we vigorously enforce stereopurity from precursor all the way to isolated solid.
Outside pharmaceutical end-uses, we see orders for OLED development, catalysis, and specialty polymer projects. Material scientists appreciate how the boronic ester tolerates organometallic conditions with little fuss. A batch destined for an electronics company will arrive packed to resist moisture absorption, since every percentage of water translates into inconsistent device performance after synthesis. These downstream stories, relayed to us by customers both large and small, guide how we schedule production and quality checks. We work to minimize shipping time and temperature excursions, as even brief exposure to heat can shave weeks off shelf life according to our accelerated aging tests.
Our plant managers have learned that client success depends on open lines of communication. When a research chemist phones us unsatisfied with an unexpected side spot by TLC or HPLC—once too often caused by subpar reagents from other suppliers—we respond by running side-by-side controls from our retained reference material. We never take a customer’s claim as an attack; instead, it’s an opportunity for quality improvement and a sign that end chemistry still matters over spreadsheets.
Inside our reactor bays, the limitations and potential of 2-[(E)-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)ethenyl]pyridine play out daily. The molecule straddles the line between convenience and challenge: if drying protocols slip, hydrolysis creeps in; when J-Young NMR tubes aren’t properly flushed, stray oxygen saps a bit of product with every run. Achieving key specifications—most notably the geometrical isomeric purity—has involved dialing in over a decade of process improvements. We learned not to chase scale at the expense of control; small tweaks in base identity or buffer solvent purity drastically change the outcome.
Technicians face unpredictable hiccups—lorry delays in raw materials, inconsistent water levels in newly arrived solvents, frequent recalibration. A section manager once caught an NMR mislabel three nights before shipment, preventing an off-spec lot from leaving the plant. Even with automation, critical steps like filtration remain hands-on, requiring real acuity to distinguish between fine product and a subtly colored byproduct. These are boots-on-ground challenges that all the documentation in the world can’t substitute for.
Over the past decade, the synthesis community’s trust in dioxaborolane derivatives has grown stronger, pushing our team to continuously refine our offering. In the early years, the risk of oxidative degradation or changes during shipping led to underwhelming cross-coupling yields, with customers often left unsure whether the problem lay in the metal catalyst or the boronic ester. These days, with a documented track record, customers rely on stable shelf-life and robust performance—whether the shipment travels one province or crosses continents.
The E-alkene motif dominates current literature for a reason—it extends conjugation, facilitating downstream transformations or endowing final molecules with properties ranging from electron transport to bioactivity. Our community of customers brings us back data from pharmaceuticals, agrochemical libraries, and new material classes. Projects often come to us with non-disclosure strictures, but after months, we hear about real-world results. A drug candidate advances because the cross-coupling worked effortlessly, or an electroactive film passes new reliability benchmarks. These outcomes inform our next steps, refining lot records or tweaking purification stages. We support researcher confidentiality but also know that repeated requests for the same catalog product model confirm its value.
Walking the plant floor, differences in product quality show up in ways that only become clear after listening to our customers. While some suppliers aim for mass production, our focus remains on tight process controls. Our reactor operators know each synthesis inside out and spot deviations before they reach the bottle. Tech staff keep logs that stretch back fifteen years, learning from every successful and failed batch. This institutional memory directly benefits each new lot: sharp melting points, unambiguous spectra, and—above all—high-performance in demanding reactions.
We collaborate with several leading pharmaceutical teams who routinely compare our product’s performance versus competitors. Their feedback loops feed improvements back into our operations. This real-world validation tells us what matters most—not inert statistics, but how the product performs in the hands of high-stakes users. Other sources won’t highlight trace byproducts or how storage conditions change batch longevity. We build shipping and storage recommendations out of hundreds of customer observations, not generic advice. If a batch ever arrives out of spec, our troubleshooting starts with our own benchwork, not templates or excuses.
Commercial feedback also alerted us to a subtle point: not every application needs the highest conceivable purity, but run-to-run consistency saves time, reduces labor, averts failed experiments, and, in scale-up, prevents expensive reruns. That principle drives our plant schedules as much as automation or cost-cutting. We respect end-users’ trust and know they stake their own reputations on ours.
As demand for specialty boronic esters continues to increase, our plant focuses on the sustainability and safety of our operations. Not long ago, solvent recovery rates ran below optimal; through repeated trials, we staggered distillation timing and improved overall yield per drum. Waste reduction goes hand-in-hand with increased batch purity and a lower risk of contamination. Sourcing our starting materials includes a supply chain team that fights to eliminate untrackable intermediates. In one instance, a raw input genuinely differed between two drums from the same supplier, forcing us to halt and reinvestigate until the root cause was found—our commitment to traceability overrode the pressure to keep the line moving.
Safety policies grow from direct experience. Training never stops—every incident, from spilled material to minor burns, feeds into regular updates to protective gear and equipment. For us, safety isn’t an add-on; it’s essential to every day’s work, both to protect our team and to offer reliability to procurement managers counting on prompt, reliable delivery.
Technical support demands more than reading data off a page. Real support comes from chemists who have run these syntheses themselves, sharing what works under real-world conditions. Whether a customer faces unexpected side reactions, solvent incompatibility, or just wants confirmation before an expensive long-run experiment, our staff responds with experimental tips honed by practice. Modern internet communication makes this easier than ever before, shrinking the distance between production floor and research bench in ways that even ten years ago were unthinkable. This immediacy, alongside transparency and readiness to share experimental insight, builds respect both ways.
Major research initiatives require reliable supply chains for specialized boronate esters. Universities and institutes seeking to break new ground in cross-coupling or advanced electronics count on robust intermediates like 2-[(E)-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)ethenyl]pyridine. We collaborate closely with academic labs and industrial consortia, sharing anonymized batch performance results, troubleshooting synthetic dead-ends, and suggesting alternate purification steps based on our internal data archives. This way, collective know-how spreads, leading to faster problem-solving and better reproducibility in the global literature.
The field now moves faster than ever, with novel ligands, solvents, and catalytic cycles appearing every month. We keep pace by running periodic screening trials, testing not just old favorites but also new palladium sources or different solvent mixes. Looking outward, we see synthetic chemistry’s shift toward more sustainable, less hazardous, and greener chemistry—an evolution we’re eager to support as we fine-tune our own protocols. Over the next years, we expect to deploy more recycled solvent streams and invest in less energy-intensive purification stages, both for efficiency and to reduce the environmental impact of chemical manufacturing.
Our story with 2-[(E)-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)ethenyl]pyridine is bound up with hands-on experience, a relentless drive for technical excellence, and a respect for all those who use our product to make scientific advances of their own. Every kilogram we ship carries these lessons. Researchers take on ambitious targets; we take on the responsibility of delivering a reagent that won’t hold them back.