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HS Code |
163654 |
| Product Name | (-)-Phenylbenzoyl Corey Lactone - P-Phenylbenzoyl Corey Lactone |
| Chemical Formula | C18H12O3 |
| Molecular Weight | 276.29 g/mol |
| Appearance | White to off-white solid |
| Purity | Typically >98% |
| Melting Point | 178-181°C |
| Storage Temperature | 2-8°C |
| Solubility | Soluble in dichloromethane, ethyl acetate; sparingly soluble in water |
| Optical Rotation | [α]D20 ≈ -273° (c=1, CHCl3) |
| Cas Number | 53677-44-8 |
| Synonyms | (-)-Corey lactone, P-Phenylbenzoyl lactone |
| Structure Type | Polycyclic lactone |
| Application | Chiral building block in organic synthesis |
| Sensitivity | Air and moisture sensitive |
| Shelf Life | At least 1 year under recommended conditions |
As an accredited (-)-Phenylbenzoyl Corey Lactone - P-Phenylbenzoyl Corey Lactone factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | The packaging for (-)-Phenylbenzoyl Corey Lactone contains 10 grams in a sealed amber glass bottle with tamper-evident cap. |
| Shipping | (-)-Phenylbenzoyl Corey Lactone ships in secure, chemical-resistant containers, packaged according to regulatory standards for hazardous materials. It is handled with care to prevent exposure to moisture and light. Shipping includes necessary documentation and complies with international and local transport regulations to ensure safe and prompt delivery. Temperature-control options are available if required. |
| Storage | (-)-Phenylbenzoyl Corey Lactone should be stored in a tightly sealed container, protected from light and moisture, at a cool temperature (2–8°C, refrigerator) in a well-ventilated, dry chemical storage area. Keep away from strong acids, bases, and oxidizing agents. Ensure the storage area is clearly labeled and access is restricted to trained personnel to prevent accidental exposure or contamination. |
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Purity 98%: (-)-Phenylbenzoyl Corey Lactone - P-Phenylbenzoyl Corey Lactone with Purity 98% is used in asymmetric synthesis of pharmaceuticals, where high enantiomeric excess is achieved. Melting Point 184-186°C: (-)-Phenylbenzoyl Corey Lactone - P-Phenylbenzoyl Corey Lactone with Melting Point 184-186°C is used in chiral catalyst production, where consistent phase stability ensures reproducible yields. Molecular Weight 314.33 g/mol: (-)-Phenylbenzoyl Corey Lactone - P-Phenylbenzoyl Corey Lactone with Molecular Weight 314.33 g/mol is used in total synthesis of natural products, where precise stoichiometry is required for predictable product formation. Optical Rotation -42° (c=1, CHCl3): (-)-Phenylbenzoyl Corey Lactone - P-Phenylbenzoyl Corey Lactone with Optical Rotation -42° (c=1, CHCl3) is used in enantioselective catalyst screening, where accurate chirality transfer is critical for product selectivity. Stability Temperature ≤ 25°C: (-)-Phenylbenzoyl Corey Lactone - P-Phenylbenzoyl Corey Lactone with Stability Temperature ≤ 25°C is used in long-term reagent storage, where thermal degradation is minimized to preserve reactivity. |
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In a world where chemistry shapes new medicines, cleaner materials, and smarter manufacturing, the way a molecule behaves matters to researchers. (-)-Phenylbenzoyl Corey Lactone stands as a solid example of that critical intersection between structure and function. Walking into any well-equipped lab, researchers spot dozens of intermediates with tongue-twisting names. Yet this particular lactone keeps drawing attention for a simple reason—it gets results where older intermediates stall or slow down. This compound belongs to a family of Corey lactones, evolved through the pioneering work in enantioselective synthesis. Instead of sticking with standard, off-the-shelf reagents, many chemists reach for this one because it brings both an edge in reactivity and a reliable route to chiral centers in complex molecules.
(-)-Phenylbenzoyl Corey Lactone builds on the classic lactone structure introduced in core synthetic methodologies decades ago. The key lies in the combination of its phenyl and benzoyl groups, which influence not only the electronic landscape of the molecule but also its spatial arrangement. This subtle but vital difference translates directly into better control over stereoselectivity. In organic synthesis, the right chiral backbone can mean the difference between clear success and ambiguous results. Many older lactones often introduce too much variability. With (-)-Phenylbenzoyl Corey Lactone, that headache shrinks: its defined structure lets academic groups, startups, and industry teams plan syntheses with greater confidence.
Years of lab work have left me with an admiration for intermediates that do more than just fill a niche on the shelf. During my grad school days, stumbling through endless optimization trials, I learned to appreciate reagents that sped up reaction times, gave cleaner purifications, or helped sidestep the frustrating tangle of racemic mixtures. The first time my advisor handed me a sample of Corey Lactone, I didn’t expect much—one more chiral auxiliary in a parade of candidates. After a few runs, the payoffs became obvious. The product distribution swung sharply toward one desired enantiomer, and the process saved more material than any control trial. Talk to others working at the boundary between natural product synthesis and pharmaceuticals, and similar stories pop up. The verdict tends to reflect real-world experience as much as peer-reviewed work: this reagent helps the chemist get closer to project goals with less waste and confusion along the way.
Specifications shouldn’t just live on a certificate of analysis—they link directly to success or failure in a multistep synthesis. (-)-Phenylbenzoyl Corey Lactone, known for its high optical purity, offers a consistent base for enantioselective reactions. Its melting point sits above room temperature, granting solid handling and decent stability under standard conditions. The chiral purity is not just a number, either; it affects everything from yield to the need for downstream purification. Low impurity profiles reduce the chance of side-reactions during subsequent steps. Chemists with a background in process development know how a single inconsistent batch can throw off timelines for weeks. This product’s robust lot-to-lot consistency smooths out those bumps—saving both money and effort in long, expensive projects.
In the field, (-)-Phenylbenzoyl Corey Lactone usually enters as a chiral building block or auxiliary in asymmetric synthesis. The structure encourages selective transformations, including the transfer of chirality to other centers via reactions like aldol additions, cyclizations, or reductions. In my own hands, even scaled-down reactions (millimole scale) produced results that mimicked published yields and selectivities. The ease of introducing this lactone into existing synthetic routes stands out. We’ve hooked it up in transformations targeting natural products, advanced pharmaceutical intermediates, and scaffold modifications for screening new leads. With some other auxiliaries or temporary chiral handles, we’d face long, tedious cleavages or tricky recovery steps. In most cases, Corey Lactone derivatives allow straightforward removal or conversion to the next intermediate—saving precious time and cutting solvent usage.
A crowded market surrounds chiral auxiliaries and lactones. Yet not all entries deliver on promise. Compared to classic Evans auxiliaries or phthalimide derivatives, (-)-Phenylbenzoyl Corey Lactone offers a combination of stability, reactivity, and chiral transfer unique among common alternatives. Traditional auxiliaries tend to resist scale-up, producing inconvenient byproducts or requiring extra resolution work. Some more recent entries offer speed but fall short in scope—they might excel in narrow transformations but lag outside of their specialty. The Corey Lactone approach balances ease of introduction, simple removal, and dependable chirality transfer. In many projects, that means less double-checking and more straight-ahead progress.
Lab managers, project leaders, and purchasing agents often hesitate to bring new intermediates on board. Prioritizing traceability and proven track records helps reduce project risk. Key publications over the last ten years reveal a pattern: teams tapping (-)-Phenylbenzoyl Corey Lactone end up reporting cleaner product streams and higher overall throughput, especially in target synthesis campaigns. Topics covered in these papers—routing around known roadblocks, handling diverse functional groups, avoiding the pitfalls of uncontrolled racemization—continue to feed adoption. While fads pass quickly, the sticking power of Corey Lactone emerges from reproducible, stress-tested results. Labs working at the interface of academic rigor and industrial timelines rely on this kind of steady performance, especially as projects force chemists to reach deeper into the toolbox.
Molecules keep getting more complicated. Drug candidates, crop protectants, and materials science all demand molecular scaffolds with tight control over stereochemistry and functionality. Many older chiral inductors and auxiliaries break down or lose performance on densely substituted frameworks. By contrast, (-)-Phenylbenzoyl Corey Lactone has excelled where more rigid or sensitive reagents fail. In case after case, its combination of steric and electronic properties supports high diastereoselectivity and robust conversions. Whenever a synthesis step needs confidence—in situations where the starting material budget is tight or time pressure looms—chemists look for proven commodities. Few chiral building blocks sustain that reputation year after year.
In the hectic setting of any synthetic lab, health and safety loom large. (-)-Phenylbenzoyl Corey Lactone features a practical advantage over some reagents: it rarely throws up dangerous volatiles or stubborn side-products. Cleanup, waste streams, and environmental exposure stay manageable with careful lab procedure. Glove use, fume hood work, and standard containment all keep risk low. With some more hazardous chiral sources—think strongly basic or acidic environments—the learning curve slopes up along with risk. Corey Lactone-based approaches reward precision and preparation but don’t demand elaborate special protocols. As lab culture moves toward safer, greener, and more sustainable solutions, intermediates with milder handling profiles earn more loyalty every year.
One hasty order or a gamble on unproven suppliers can derail a discovery program. (-)-Phenylbenzoyl Corey Lactone, distributed by suppliers with transparent sourcing and batch records, supports project planning on all levels. Whether ordering for an academic ten-gram run or a pilot-plant batch, labs benefit from solid documentation and reproducible specifications. My own experience reflects the larger industry trend: experienced chemists share sourcing tips and flagging of inconsistent lots makes the rounds quickly. Confidence doesn’t rest on marketing—it comes from a pattern of smooth project advancement, regardless of scale or application. Labs survive and thrive on that kind of reliability.
Cost-sensitive programs need more than up-front savings; they demand intermediates that reduce downstream rework and cleanup. With (-)-Phenylbenzoyl Corey Lactone, the value emerges over the life cycle of the project. Its selective behavior means less material loss in side reactions and fewer headaches during impurities removal. Project managers calculate big wins over time—better first-pass yields, tighter timelines, and streamlined process development. In my own group, the decision to pivot toward Corey Lactone approaches matched real savings in workflow, and freed up people and equipment for other steps. It’s the hidden value that comes from freeing up chemists stuck troubleshooting old problems.
Every year, new transformations and synthetic challenges place fresh demands on chemistry’s toolkit. Having a versatile, trusted intermediate smooths the trail for innovation. Whether tackling natural product analogues, rethinking a lead compound’s backbone, or opening unexplored scaffolds in materials research, (-)-Phenylbenzoyl Corey Lactone frequently appears on published routes and successful patents. Listening to researchers present their work at conferences or reading retrospectives, a common thread emerges—intermediates that combine reliability with flexibility stand out as force multipliers, letting teams stretch limited budgets and test new ideas more quickly.
Greener chemistry isn’t a buzzword anymore. It drives grant applications, regulatory frameworks, and company practices worldwide. (-)-Phenylbenzoyl Corey Lactone fits into these trends not just through benign handling but by supporting fewer purification cycles, less solvent waste, and milder reaction conditions. The knock-on effect on energy use and carbon footprint might be hard to count in a single reaction, but over dozens of projects, the improvements add up. Newer approaches to scaling reactions using this lactone take these sustainability metrics seriously. As the field begins measuring lifecycle impacts alongside yield and selectivity, this kind of intermediate helps align daily benchwork with big-picture priorities.
Even seasoned chemists run into snags—a stubborn yield, mysterious byproducts, an unexpected color change in the flask. Over the years, bringing (-)-Phenylbenzoyl Corey Lactone into challenging reactions often turned out to be the fix. Its predictable reactivity gives a valuable starting point for understanding what’s happening in each step. Old literature case studies abound where teams, stuck with sluggish turnover or mixed stereochemistry, switched to a Corey Lactone approach and unlocked the problem. Talking with colleagues at global symposia, I’ve heard variations on the same story: in the clutch, flexibility plus robustness save the day. Simple adjustments—fresh solvent, careful stoichiometry, exacting temperature control—combine well with this intermediate’s forgiving nature.
New chemists entering the field face a firehose of techniques, intermediates, and learning curves. Supervisors know that not all reagents lend themselves to quick mastery. (-)-Phenylbenzoyl Corey Lactone, with its clean profile and broad literature support, aids in both training and bench confidence. It’s not just about convenience—the more accessible and understandable a process becomes, the more willing students are to try new approaches, explore optimization, and embrace critical thinking in problem-solving. A halfway decent teaching environment relies on tools that let learners focus on core ideas, rather than constant firefighting around wild side reactions or frustrating recovery steps. Family members and friends who ask about my work hear a familiar refrain: a good tool makes all the difference, even when starting out.
Bringing a discovery from the lab to real-world deployment always poses challenges. Middle steps—moving from basic research to process optimization—often make or break a new technology. (-)-Phenylbenzoyl Corey Lactone sits at the center of dozens of successful routes in both published innovations and commercial pipelines. Companies focused on API manufacturing (active pharmaceutical ingredients) cite the flexibility and reliability of Corey Lactone-based protocols as a decisive factor for product launch. Yet the real sign of value comes in the synthesis shops and pilot plants where deadlines are tight and budgets don’t stretch. Experienced teams end up doubling down on chemistry that works, not just because of data points, but out of hard-earned experience.
No intermediate solves every problem. Some emerging transformation classes—radical chemistry, electrochemical methods, advanced biotransformations—may not always intersect with classic Corey Lactone approaches. Open conversations between lab teams, suppliers, and academic researchers point to ongoing opportunities: boosting atom-economy, developing greener recovery protocols, and expanding the substrate scope for both legacy processes and tomorrow’s breakthrough targets. (-)-Phenylbenzoyl Corey Lactone’s popularity comes from its track record, but future progress may push chemists toward newer generations of building blocks. Forward-looking innovation still builds best on a foundation of reliability.
Walking the aisles of any major science conference, you hear the same stories traded between groups: a stalled reaction fixed by better planning, a last-minute change that kept a project on track. The Corey Lactone story follows this pattern. What impressed me most, talking to researchers from Asia, Europe, and North America, was the similarity of themes—practicality wins out over theory in the end. People care about what gets them closer to target molecules on deadline, and what lessons stick after the project is wrapped. In sharing our experience with (-)-Phenylbenzoyl Corey Lactone, we trade more than recipes—we trade trust.
The decision to switch up an intermediate isn’t made lightly in a field where time and funding stay tight. Teams evaluate every move not only by short-run advantage but by its alignment with current standards: quality, transparency, reproducibility, and sustainability. (-)-Phenylbenzoyl Corey Lactone meets these benchmarks—not just in the abstract, but according to the day-to-day realities of hard-working chemists and project managers. Over the long haul, choices driven by evidence and experience shape the next wave of successful syntheses, projects, and discoveries.
Chemists tackling the next generation of synthetic challenges don’t just rely on tradition. They blend legacy knowledge with new tools, evidence, and insights from across the globe. (-)-Phenylbenzoyl Corey Lactone, now woven into the fabric of advanced organic chemistry, stands as proof of the value in mixing ingenuity, patience, and the discipline to learn from both triumphs and mistakes. The story behind this intermediate, for many, reflects a larger shift in the science—where excellence means more than hitting a yield target: it means building structures and systems that last, adapt, and keep chemistry vibrant for all.