Shining a Light on (S)-Alpha, Alpha-Diphenyl-3-Pyrrolidineacetamide L-Tartaric Acid Salt

Historical Development

Tracing the path of (S)-Alpha, alpha-diphenyl-3-pyrrolidineacetamide L-tartaric acid salt pulls us deep into the world of medicinal chemistry. Years ago, research chemists hunted for molecules to combat neurological disorders, looking for compounds that might tweak neurotransmitter pathways without letting safety slip through the cracks. This led to extensive work on pyrrolidine derivatives, opening doors for both drug and diagnostic research. As patents rolled out in the late 20th century, academic studies and industrial labs competed to refine synthesis, increase scale, and handle purification challenges. Each advancement reflected a growing understanding of stereochemistry, bioavailability, and real-world performance.

Product Overview

Put this salt under a microscope and you’re staring at a key building block. In pharmaceutical manufacturing, it often serves as an intermediate, shaping what ends up as a treatment or active research compound. Chemists appreciate its defined chirality and USP-grade purity, which keeps impurities at bay. For those who need absolute confidence in a compound’s origin and batch-to-batch consistency, this one usually arrives accompanied by a full certificate of analysis.

Physical & Chemical Properties

At room temperature, this salt usually forms a fine white or off-white crystalline solid, with a melting point that typically ranges from 130 to 140°C. Solubility leans toward polar solvents, like methanol and water, simplifying work-ups and downstream chemistry. The compound resists air oxidation and moisture, which simplifies storage in standard lab conditions. As with many chiral salts, the L-tartaric acid component confers a clear optical activity, evidenced by rotations on the polarimeter.

Technical Specifications & Labeling

The best suppliers stick to rigorous controls: purity eclipsing 98%, water content squeezed below 1%, and all heavy metals well beneath regulatory limits. Accurate labeling flags not only CAS number and batch data but also includes hazard warnings, shelf life, storage temperatures, and recommended personal protective equipment. For lab and industrial users alike, these data points separate trustworthy sources from those who cut corners.

Preparation Method

Manufacturing doesn’t cut corners: starting from (S)-alpha, alpha-diphenyl-3-pyrrolidineacetamide, scientists perform a precise chiral salt formation with L-tartaric acid, often in isopropanol or ethanol, to spool up the required stereoselectivity. Stringent temperature control and careful solvent evaporation lock the salt into the favored crystalline form. Purification typically runs through multiple filtration and recrystallization steps, followed by vacuum drying to ensure stability. Each run gets checked by chiral HPLC or NMR to verify both structure and enantiomeric excess, since any slip in purity can tank its value in research or finished products.

Chemical Reactions & Modifications

Chemists often use (S)-alpha, alpha-diphenyl-3-pyrrolidineacetamide L-tartaric acid salt as a foundation. They tack on functional groups—alkyls, aryls, or carbonyl-containing substituents—to engineer analogs with tailored biological activity. The pyrrolidine core holds strong, but the alpha and amide groups invite substitutions that can shift pharmacokinetics or target specificity. With robust stability, the salt tolerates standard organic transformations like reductions, acylations, and protecting group manipulations. Chemical diversity stemming from this intermediate makes it a go-to for library synthesis in early-stage drug discovery.

Synonyms & Product Names

Labs and vendors build long lists of alternate names for this compound. You might see it as (S)-3-Pyrrolidineacetamide, alpha, alpha-diphenyl-, L-(+)-tartaric acid salt, or shortened branding like S-DPPAA tartrate. Recognized shorthand ensures scientists stay on the same page, even as regional preferences and regulatory designations shift. In my own experience, double-checking nomenclature on certificates has avoided plenty of costly mix-ups.

Safety & Operational Standards

No one should take short cuts in the lab, especially with amide compounds. Gloves, eye shields, and fume hoods come as standard. Inhalation and skin contact can irritate, so staff training alongside clear material safety data sheets (MSDS) keeps risks in check. Waste disposal matters too: these salts can break down into nitrogen- and carbon-rich byproducts, so responsible disposal routes—incineration or licensed chemical waste handlers—remain essential. Inspections and compliance checks enforce good habits, and I’ve seen workplace accidents drop wherever labs make safety continual, not optional.

Application Area

Pharmaceutical teams draw on this salt for CNS drug discovery, especially where stereochemistry shapes biological activity. It pops up in advanced intermediates for mental health therapies and anti-addiction meds. Research branches out to imaging probes and analytical reagent kits, with the salt’s chiral purity allowing accurate screening of enzymes and receptors. In custom synthesis, L-tartaric derivatives carry weight as both reactants and resolution agents for other chiral products—a surprisingly crucial role during the development of new molecular entities for biotech startups or university projects.

Research & Development

Innovation doesn’t slow down in this field. Newly engineered analogs expand therapeutic horizons, filling patent applications and preclinical journals. Chiral resolution technology gets sharper each year, with companies investing in continuous flow reactors and high-throughput analytical methods to push down production costs while keeping quality high. AI-driven structure-activity models now pull together huge datasets, suggesting new derivatives or formulation tweaks. Labs openly collaborate on toxicity profiling, expanding databases and improving predictions—something that speeds up safe candidate selection.

Toxicity Research

Testing protocols demand animal models, cell assays, and in silico screens to spot off-target effects before human trials kick off. Acute oral and dermal studies look for safe dosage thresholds, while chronic studies track subtle health shifts. Environmental scientists keep an eye out for persistency or unexpected breakdown products. Results so far show promising safety at low doses, but regulators keep flagging gaps, pressing companies and universities to share negative as well as positive findings. Avoiding data gaps helps keep patients and workers safe as these compounds head toward larger-scale clinical work.

Future Prospects

Opportunities haven’t hit their ceiling yet. With precision medicine on the rise, the demand for tailor-made, chiral drugs only mounts. Automation, green chemistry, and machine learning stand ready to transform synthesis and analysis, promising better yields and less chemical waste. Academic and industry labs will likely share know-how in new ways, shrinking development timelines. I expect tighter international regulations on documentation and traceability to increase consumer trust in finished products. Some even see these salts underpinning new classes of gene-editing or neuroprotective therapies, giving researchers more reasons to keep pushing boundaries.



What is the chemical structure and molecular formula of (S)-Alpha, Alphal-Diphenyl-3-Pyrrolidineacetamide L-Tartaric acid salt?

A Close Look at the Chemistry

In the world of medicinal chemistry, structures tell stories that matter. (S)-Alpha, Alphal-Diphenyl-3-Pyrrolidineacetamide L-tartaric acid salt brings together a chiral pyrrolidine ring, two phenyl groups, and a molecule of L-tartaric acid. These aren’t just technical details. The backbone—pyrrolidineacetamide—carries a nitrogen atom in a five-membered ring. Add two phenyl rings to the alpha position, and the result is a compound with stacked aromatic groups. This arrangement gives the molecule unique physical and biological properties.

The molecular formula for the free base (S)-Alpha, Alphal-Diphenyl-3-Pyrrolidineacetamide looks like this: C18H20N2O. Bringing in L-tartaric acid salt changes things. L-tartaric acid, C4H6O6, links via salt formation, providing stability and solubility. Forming the salt boosts the total formula to something like C18H20N2O•C4H6O6, reflecting both relationship and synergy between the two parts.

Structure on Paper and in Practice

Looking at this molecule’s structure, a chemist sees more than lines and rings. Each part—the pyrrolidine ring, the phenyl arms, the amide junction—contributes a trait. The S-configuration means we have a specific handedness, not just a mixture. L-tartaric acid, known for resolving chiral compounds, acts here as both a partner and a chiral auxiliary, helping purify and enhance the function of the main compound.

Experience in the lab shows me why this salt form matters. Raw free bases often struggle with solubility or stability. Salts, especially made with tartaric acid, dissolve better and last longer. That proves crucial for drugs or research compounds, which can degrade fast under normal conditions.

Why Chemical Structure Matters in Real Life

Cutting through the technical side, the chemical makeup isn’t just for show. In pharmaceutical development, molecular structure controls how the body absorbs, reacts to, and clears a drug. A chiral center changes everything. The S-enantiomer may bring therapeutic effects, while the R-form might do nothing, cause harm, or trigger side effects. Keeping the salt pure, using L-tartaric acid, secures that only the desired version lands in a patient’s pill.

I’ve seen cases where skipping this step led to failed trials and wasted time. Drug forms that skipped proper salt selection ended up needing recalls. FDA records support these stories: poor-quality control in salt formation costs millions, sometimes even health.

Path Forward for Scientists and Developers

There’s value in building molecules right from the start. Rigorous synthesis, deep knowledge of stereochemistry, and attention to salt partners pay off. Training young researchers to appreciate these steps matters. They won’t just make better compounds—they’ll make safer medicines and more effective products. Academic journals and pharma companies can do a better job of sharing pitfalls and lessons learned from poorly chosen chemical forms.

Choosing (S)-Alpha, Alphal-Diphenyl-3-Pyrrolidineacetamide L-tartaric acid salt as a working material highlights chemistry’s inner logic and practical demands. Tending to the building blocks and their partners, chemists prepare solutions built on science and care, not shortcuts or guesswork.

What are the recommended storage conditions for this product?

Understanding Why Storage Matters

It’s easy to overlook the part storage plays in keeping a product useful and safe. Many folks focus on using a product right away, but the days and weeks it spends sitting in a cabinet or warehouse can make all the difference. The right storage setup guards against spoilage, loss of potency, and contamination, ensuring you get exactly what you pay for. From my own experience working behind pharmacy counters and stocking grocery shelves, shortcuts usually lead to ruined stock and wasted money.

Common-Sense Storage Rules

Every product carries its own quirks, though there are some ground rules that rarely fail. Keeping things dry and cool prevents mold, bacterial growth, and breaking down of sensitive ingredients. Moisture somehow finds its way into every crack, especially in humid areas. The handful of times I’ve left bags open or let containers rest near a steamy stove, I ended up with a soggy mess I wouldn’t trust feeding to anyone.

Light proves to be another silent enemy. Many substances—medicines, vitamins, and even spices—lose their strength after sitting in the sun or under a lamp for too long. Growing up, I watched my family store grains and herbs in clear jars by the window, only to find the taste and color faded in a matter of months. Opaque containers and shaded shelves preserve them far better for longer.

Temperature: Not Too Hot, Not Too Cold

High heat speeds up chemical changes and invites bacteria. A product kept near a heater often ends up with odd smells or clumps. At the other end, extreme cold may cause some products to separate or become unusable. Most guidance suggests aiming for room temperature, roughly 68-77°F (20-25°C). In my early retail days, central air broke down over a summer weekend, and by Monday, entire shipments of supplements lost their punch—something we only figured out after seeing returns jump and lab tests confirm it.

Cleanliness and Sealing: Keep Out the Unwanted

A loose lid is an open invitation for dust, pests, and even airborne moisture. Each time storage gets sloppy, cleanup follows—followed by extra costs. Good quality, airtight containers keep things fresh. A wipe down before storing is often all it takes to limit cross-contamination. I learned the value of routine checks after discovering tiny bugs in a forgotten flour bin, a lesson that stuck harder than anything I read in a manual.

Looking for Specific Guidance: Always Read the Label

Detailed storage instructions come from years of research and manufacturer testing. They know what works for their product and build storage tips right into the packaging. Changes in the label, new instructions, or warning symbols often point to updated requirements, usually for a good reason. Ignoring specifics risks turning something helpful into a health hazard.

Solving Problems: Practical Steps for Real Life

Homes rarely feel like labs, but good habits go a long way. Set up products away from windows, heaters, and sinks. Use shelves or bins that close up tight. Periodic checks, especially before using anything stored for a while, help avoid nasty surprises. If a smell, texture, or color seems off, it’s safer to toss and replace than gamble with your health or money.

Following sensible storage advice protects quality and stretches your budget, turning every purchase into an investment that lasts.

What are common applications or uses for (S)-Alpha, Alphal-Diphenyl-3-Pyrrolidineacetamide L-Tartaric acid salt?

Looking Beyond the Lab Bench: Real-World Importance

(S)-Alpha, Alphal-Diphenyl-3-Pyrrolidineacetamide L-Tartaric acid salt, despite its lengthy name, plays a practical role in fields many folks rarely hear about: organic chemistry, pharmaceuticals, and, not to be overlooked, the development of new treatments. This compound doesn't exactly grab headlines, but it helps scientists push forward in places where precision and purity make all the difference.

Pharmaceuticals: Building Blocks for Safer Medicines

Anytime a drug needs to interact with the body safely, chemists care about the exact shape and orientation of the molecules. Chirality, or handedness, matters a lot here. (S)-Alpha, Alphal-Diphenyl-3-Pyrrolidineacetamide L-Tartaric acid salt serves as a chiral auxiliary or resolving agent. It helps separate mirror-image molecules, which can have wildly different effects on the system. For example, one version might break a fever, while its twin could cause harm. Researchers use this compound to help them sort out which version truly benefits patients.

Back in my undergraduate days, I remember our instructor hammering home the importance of chirality using examples out in the real world, like the disastrous birth defects caused by thalidomide's wrong-handed sibling in the 1950s. This compound gives today’s chemists an edge, pushing past the guesswork by anchoring reactions to a reliable, reproducible standard.

Chemical Synthesis: Building Smarter from Scratch

Making new medicine isn’t just about stringing together atoms. Each step requires control. (S)-Alpha, Alphal-Diphenyl-3-Pyrrolidineacetamide L-Tartaric acid salt helps drive reactions down the right path. Chemists use this salt to influence which shape a molecule will take as it forms, keeping unwanted by-products at bay. Efficiency grows, waste drops. That matters, considering the rising cost of new drug development and the growing demand for sustainability.

Research: Opening Doors to What’s Next

Beyond the assembly-line nature of pharmaceutical production, academic labs rely on this compound to teach and test. It gives students and veteran scientists a chance to hone their methods before tackling complex syntheses or exploring new kinds of drugs. The confidence that comes from a cleaner reaction means more time spent solving deeper puzzles and less spent untangling messy test tubes.

Challenges and Progress: Tackling Cost and Access

No process comes without barriers. High-quality reagents raise the upfront cost of research, especially for smaller labs or projects working under tight grants. Sourcing this specific salt from reputable suppliers sometimes leads to delays because purity and consistency must stay high. It pushes everyone involved to think about better ways to produce these auxiliaries locally or search for alternatives that fit limited budgets, without giving up reliability.

Collaborations between industry and academia, as well as investment in green chemistry, can help resolve some of these issues over time. Shortening supply chains and encouraging open-source sharing of improved synthetic routes can make valuable compounds like these more accessible, spreading innovation more widely and helping society get new treatments faster.

Is a certificate of analysis (COA) available for this compound?

Real Facts Behind the Request

In labs and manufacturing floors, the question often comes up: “Is a certificate of analysis available for this compound?” I’ve faced this query countless times, both in industry and academic settings. The request goes beyond a simple document—people want trust in the chemicals they’re using. A certificate of analysis (COA) isn’t just a piece of paper. It’s a lab-backed promise describing what’s inside the bottle.

What a COA Tells Us

A reliable COA comes from testing done by someone who knows the business of accuracy. It spells out the purity, concentration, and often impurities found in a batch. In my experience, researchers and quality assurance workers rely on those values. Doctors won’t trust a medicine batch missing this certificate. Food companies won’t touch a shipment unless they know what’s really in the box. No one wants contamination or substandard inputs winding up in food or medicine. When you see the numbers on a real COA, you know what you’re about to use.

Sourcing and Ethics

People sometimes put price ahead of documentation, buying from vendors who don’t supply a COA. That’s always a gamble. One time, a client thought they could save a bit by buying from an unknown supplier. Their product failed safety tests. That whole batch got trashed, and the cost of “cheap” chemicals ballooned overnight. Reliable suppliers who show COAs support safer workplaces and cleaner results. All these records aren’t just bureaucratic—good documentation maintains public trust and safety.

Regulation and Legal Expectations

The law expects records, especially for pharmaceuticals, food additives, and industrial materials. Regulators check the paperwork—so do customers. In Europe and the US, government agencies can shut down operations lacking proper traceability. I’ve walked into facilities facing audits and seen panic from missing COAs. These gaps signal bigger issues in oversight and training. Without documentation, tracing a problem back to its source turns into guesswork.

Improving Access to COAs

Not every company makes it easy to get these documents. Some vendors tie them to bulk orders. Others bury them behind customer portals. Sometimes, busy buyers don’t think to ask, or they trust old habits and miss checking. One solution? Push suppliers to link COAs with every product page—no sign-up required. Encourage them to update their certificates with every batch and include QR codes right on packaging. Some leading companies already use blockchain to store analysis data, protecting against fakes.

Demanding More Transparency

People working with chemicals could make a habit of rejecting shipments missing proper documentation. Teams should train staff to spot incomplete COAs and know what each value means. If a supplier drags their feet about sharing a COA, look for another. I remember suppliers who gave answers like “trust us” or sent photocopies that didn’t match the product lot. Those companies lost our business fast.

Bottom Line

A valid COA builds confidence between buyers, sellers, and regulators. It’s not enough to trust a label—you need the proof behind it. Every scientist, technician, and plant manager should treat COAs as part of their safety gear, right alongside gloves or goggles. This habit saves time, money, and protects lives.

What is the purity and available packaging size of this product?

Purity: More Than a Number

Stepping into any supply room, you can spot that label showing the purity of a product. I remember my early days in a small laboratory, unpacking chemicals and wondering if those tiny percentage differences really meant much. They do. Purity isn’t just about numbers—it’s about trust in what’s inside. Regular grade, analytical grade, pharmaceutical grade—these labels create real impact. Higher purity means fewer contaminants, which is crucial whether you're mixing a treatment or making a food product.

One time, our project results went haywire, and it all traced back to a batch with a lower purity than we expected. That mistake taught me no amount of expertise outdoes batch quality. Contaminants twist results or endanger users—not just in medicine, but in agriculture and even art restoration. According to the FDA and other regulatory bodies, issues with chemical purity have led to product recalls and even health scares over the years. That’s enough to keep any team on their toes.

So, if a supplier sets out clear purity details—let’s say 99.5% minimum or USP grade—it gives people like me confidence. It shows they’ve run the tests and stand by their product. These numbers feed into research, product quality, and customer safety. Any shortcuts cost time, money, and trust down the line.

Packaging Size: Not Just About Convenience

The size of the package gets less attention, yet it shapes how a product fits into real-world routines. Think about a local bakery versus a pharmaceutical plant. One wants small bottles or sachets, the other cases by the drum. Back in manufacturing, I watched coworkers struggle with twenty-liter drums—too much for most jobs—then fight to use them up before the expiration date. Wasted product, wasted hours.

Suppliers who listen offer real options. I remember one distributor who shipped both single-use vials and bulk containers. Our team could match package sizes with usage. Suddenly, no more expired leftovers piling up, no more dangerous batch blending from half-empty bottles. The CDC and OSHA both report that reduced handling and repackaging also means less risk—cleaner, safer workspaces.

Flexible packaging sharpens efficiency. Schools need dropper bottles for classroom experiments, water treatment plants require drums, while field researchers often reach for lightweight pouches. Some forward-thinking companies provide packaging with tamper-evident seals; others use recyclable materials. Both choices go beyond convenience—they back up safety and environmental responsibility.

What Better Standards Look Like

Clear product data on purity and packaging pushes the whole market forward. Purchasers weigh safety and price, but also need that data to be honest and transparent. I’ve run into vague spec sheets more than once—those stall projects, lead to confusion, and sometimes damage reputations. Food producers and clinical labs ask questions for good reason. Facts, rather than marketing gloss, cut down on uncertainty.

Suppliers are moving toward digital lot tracking and QR-coded labels. These steps make it easier to confirm purity, check packaging size, and flag any issues. These changes serve users, but they also show an industry taking its responsibility seriously.

(S)-Alpha, Alphal-Diphenyl-3-Pyrrolidineacetamide L-Tartaric acid salt