|
HS Code |
670514 |
As an accredited (5-Bromopyrazin-2-Yl)Carbamic Acid Tert-Butyl Ester factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | |
| Shipping | |
| Storage |
Competitive (5-Bromopyrazin-2-Yl)Carbamic Acid Tert-Butyl Ester prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please call us at +8615371019725 or mail to admin@sinochem-nanjing.com.
We will respond to you as soon as possible.
Tel: +8615371019725
Email: admin@sinochem-nanjing.com
Flexible payment, competitive price, premium service - Inquire now!
Some chemicals don’t get the stage lights, but their role is vital for folks working at the bench. (5-Bromopyrazin-2-Yl)Carbamic Acid Tert-Butyl Ester is one of those compounds. The name doesn’t exactly roll off the tongue, and unless you’ve spent days measuring out pyrazines or prepping intermediates, you might not even recognize it. Yet, for chemists tinkering with nitrogen-containing heterocycles or building new molecules with pharmaceutical promise, it can open new doors—sometimes quietly, sometimes with a bang.
I remember my early days in intermediate synthesis. The hardest part often involved protecting reactive sites just enough to work around them. That’s where tert-butyl esters come in handy. The tert-butyl group attached here acts as a strong, yet removable, protecting group for the carbamic acid. You get solid stability under neutral and mild acidic conditions, which means you can handle the compound and store it without panic. The bromo group on the pyrazine ring offers a clean handle for further functionalization, making cross-coupling reactions more straightforward. If you’re tasked with assembling new kinase inhibitors, antimicrobial scaffolds, or probing analog libraries, routes through this molecule tend to offer fewer headaches and more reliable outcomes.
It’s easy to underestimate something based on its modest appearance. Structurally, the pyrazine ring sets the tone for biological interaction. The 5-bromo substitution gears the molecule for precise electronic effects, not just for convenience but for targeted reactivity and selectivity. I’ve seen folks get stuck because a common pyrazine just wouldn’t cooperate in Suzuki coupling—the electronic differences from bromination can solve those problems. Combine that with the tert-butyl carbamate protecting group, and you end up with a neat dual-purpose intermediate. In medicinal chemistry circles, streamlining synthesis and keeping functional handles for late-stage diversification makes life easier. This model delivers both.
Lab time pushes you to balance stability and flexibility. A lot of pyrazine derivatives don’t offer both. Some have bromo groups but lack easy protection on nitrogen, leading to cleanup issues and instability. Others use less stable protecting groups, so one misstep and you’re restarting from scratch. The tert-butyl group sidesteps these pitfalls. I’ve experienced this firsthand, working through series where only the tert-butyl ester survived a demanding workup or unexpectedly harsh purification. It keeps side reactions at bay just long enough to get what you want and then comes off with a simple acid treatment. That’s saved me days, not just hours.
This compound carves its place mostly in the hands of synthetic and medicinal chemists. Take discovery chemistry—building up libraries for enzyme screening often demands dozens or even hundreds of analogs around a pyrazine core. The bromo group lets you swap in nearly any aryl or alkynyl partner through palladium-catalyzed couplings. The protected amine gives predictably clean transformations and then unveils precisely when you need an active NH group, whether for urea formation, rearrangement, or direct ligation. Over the years, projects digging into oncology, neuroscience, or agricultural chemistry keep circling back to protected pyrazines like this one. The compound adapts to different protocols, and in well-run labs, that adaptability sees it stored as a staple.
I’ve seen many approaches to functionalize pyrazine rings. Sometimes, chemists start with unprotected amines, hoping everything goes smoothly during coupling only to clean up tar. Others rely on less robust protecting groups that disappear at the first sign of heat. The tert-butyl carbamate stands up to the rough spots in synthesis, coming through better than methyl or benzyl carbamates for many protocols. Any medicinal chemistry team hoping to keep intermediates on standby for weeks or months appreciates the shelf stability. These little decisions—what to protect and how—determine whether the route flies or fizzles.
Anyone drawing up a synthetic plan needs confidence in their intermediates. Purity makes the difference between reproducible results and endless troubleshooting. The industry standard expects high-purity, typically above 95%, for (5-Bromopyrazin-2-Yl)Carbamic Acid Tert-Butyl Ester. Chemists check for clean NMR, consistent melting points, and ensure no residual solvents or wrong isomers sneak in. Color, sometimes off-white to pale yellow, hints at minor impurities but rarely turns into a problem after purification. The structure, C9H12BrN3O2, weighs about 286.12 g/mol, so calculations for scaling up become simple. Moisture sensitivity stays low; a little caution in storage goes a long way, but no elaborate dryboxes or glovebags required. I’ve even seen veteran chemists relax a little, knowing they’re handling something robust enough for the real world.
I’ve watched teams grind through synthesis after synthesis where a bad intermediate cost them weeks. (5-Bromopyrazin-2-Yl)Carbamic Acid Tert-Butyl Ester solves problems by letting you park sensitive amines until the right moment. The cost of missteps adds up, and the right intermediate can pay for itself simply by keeping the discovery pipeline moving. Compare that to intermediates that require constant refrigeration, extra purification, or take on water from the air until they’re useless. The workhorse quality here means less downtime, clearer project timelines, and more time building towards robust, scalable syntheses.
One big reason chemists stick with this compound involves downstream chemistry. Once the protecting group comes off, you’re left with a bromo-pyrazine amine poised for all sorts of activity. Substitution, cross-coupling, cyclization, or extended condensation all become possible. In hands-on terms, it means that anyone working towards kinase probe molecules, protein inhibitors, or heterocyclic drug candidates gets a modular starting point. The molecule lets you run faster reactions, separate products easily, and predict what happens when you change conditions or reagents. Anyone who’s lost days trying to separate unprotected amines from byproducts appreciates the cleanup this compound delivers.
New entrants into the field sometimes reach for unprotected bromopyrazines or partially protected variants. In practice, they find more byproducts, less predictable chemistry, and headaches that don’t pay off. The tert-butyl carbamate handle here isn’t unique by itself—but it’s the combination with a bromopyrazine that gives an edge. Some labs try to use methyl or benzyl carbamates, then find that deprotection runs into trouble with trace metals or leaves odd byproducts that complicate downstream steps. I’ve talked with colleagues who moved to tert-butyl protection not for margin or cost but because it makes purification and later reactions less of a gamble.
Experience taught me that not every supplier treats quality in the same way. I’ve handled batches where moisture or trace metal contamination ruined a month’s worth of coupling chemistry. Reputable suppliers provide certificates of analysis, take customer feedback seriously, and back up their words with quality control. This isn’t about having a fancy label—it’s about running reactions that finish on time and produce what the team needs. When I consult for early-stage discovery teams, the advice stays the same: pay more for reliable intermediates. It ends up saving time, money, and aggravation.
Modern synthetic chemistry tries to limit waste and use safer reagents. The tert-butyl ester strategy fits with this shift. It tolerates milder conditions than some alternatives, lowering the need for high temperatures or harsh bases. Since deprotection works well with trifluoroacetic acid or mild mineral acids, teams avoid harsh oxidizers or metal-heavy conditions. I’ve seen protocols where colleagues trimmed down solvent use and cut out extra purification steps just by switching over to this protected intermediate. That’s good both for the budget and for minimizing chemical waste.
It’s rare that a single intermediate changes the speed of discovery, but small wins add up. (5-Bromopyrazin-2-Yl)Carbamic Acid Tert-Butyl Ester delivers a consistency that lets teams run parallel syntheses, automate portions of their workflow, and avoid double-checking purity at every step. Advanced research, whether in pharmaceuticals, materials science, or chemical biology, benefits from intermediates that let scientists trust batch-to-batch performance. I’ve noticed the effect this has on morale, too—scientists with fewer troubleshooting sprints focus more on creative, high-impact chemistry.
Handling this compound requires basic respect, as with any synthetic intermediate. Gloves, goggles, and good ventilation cover most scenarios. The molecular features—tert-butyl carbamate, bromo-pyrazine—mean you know what to expect. Reports and my own experience show low volatility, so inhalation isn’t a big issue, and the compound rarely causes skin irritation unless handled carelessly. Cleanup and waste disposal follow standard protocols for halogenated organics, so no surprises pop up for lab managers or safety officers. It feels less hazardous than many open-chain or unstable carbamates. Consistent labeling and clear documentation keep things safe.
Global supply chain disruptions have become the norm in the last decade. Labs don’t want to wait for months just to get started on a key series. Trusted suppliers tend to keep this compound in steady stock, partly because of steady demand in drug discovery. Coordination between procurement and bench scientists reduces bottlenecks, and a few extra grams in inventory have bailed out more than one project. It’s a lesson I learned through trial and error: never let a reliable intermediate run too low if future projects depend on it.
Buy in small batches at first and verify purity. Don’t rely on the label—run NMR, take a melting point, and double-check against published values. Laboratory colleagues often catch impurities that only show up when pushing the compound through demanding couplings or selective reductions. Building that confidence means fewer reruns, less wasted time, and better project flow. For teams newer to pyrazine chemistry, leaning on peer-reviewed protocols or published case studies makes life easier, especially as this compound shows up in both commercial catalogs and academic papers.
Medicinal chemistry keeps shifting toward faster and more modular approaches. The right protected intermediates let teams run more iterations, test more hypotheses, and leap to the finish line quicker. I expect (5-Bromopyrazin-2-Yl)Carbamic Acid Tert-Butyl Ester to stay relevant by fitting into modern synthetic strategies: easy deprotection, sturdy protection during tough steps, and fast coupling. As new catalytic protocols and green chemistry tools keep evolving, reliable intermediates anchor those advances. I haven’t seen any major compound libraries giving up on tert-butyl protection in favor of riskier approaches.
Whether you’re scaling up a route for pilot production or cranking out milligrams for early screening, this compound punches above its weight. Its combination of a versatile bromo group, the stability of tert-butyl carbamate, and a proven profile means more chemistry gets done, with fewer setbacks. For people grinding through the day-to-day challenges of modern laboratories, these kinds of intermediates make everything just a little simpler.
Anyone with a few years in medicinal chemistry knows protocols never stay static. Over time, teams dial in reaction conditions and sometimes uncover better ways to deprotect, reduce solvent waste, or improve yields. Staying current with literature and open to supplier recommendations leads to better results. This compound has been featured in updated cross-coupling methodologies, and teams experimenting with less toxic palladium sources or greener ligand systems often start with stable intermediates like this because the risk stays manageable. I’ve watched labs move from fumbling to thriving by building around a handful of adaptable, predictable intermediates.
A molecule like (5-Bromopyrazin-2-Yl)Carbamic Acid Tert-Butyl Ester doesn’t just fill a bottle on the shelf—it unlocks whole streams of synthetic potential. From practical days running column after column to late-night sessions troubleshooting a tough coupling, I’ve watched this compound save hassle, deliver results, and keep projects on track. Its role might not make headlines, but for those in the trenches of discovery, choosing well-protected, versatile intermediates means the difference between a project that flies and one that flounders.