1,4-Dioxaspiro[4,5]dec-7-en-8-boronic acid pinacol ester, identified by CAS 680596-79-6, is a specialized organoboron intermediate used primarily in research and synthetic chemistry. Its structure combines a cyclic ketal-protected spiro system, an alkene, and a pinacol boronate functional group. The boronate moiety can make the compound suitable for selected carbon–carbon bond-forming reactions, including Suzuki-type coupling, subject to substrate and process validation. At Maison Chemical, we help qualified buyers evaluate identity, analytical documentation, packaging, handling, and supply options before placing an order.
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This compound is best understood as a protected, unsaturated boronic acid pinacol ester. The pinacol ester form is commonly used because it provides a practical boron-containing building block for synthetic planning, while the dioxaspiro ring can serve as a protected cyclic structural element in medicinal chemistry and advanced intermediate synthesis. The exact reaction performance depends on the coupling partner, catalyst system, solvent, temperature, and work-up procedure.
CAS 680596-79-6 should be used as the primary identifier when requesting quotations or technical documents. Buyers should also compare the supplier’s product name, structure representation, batch number, analytical data, and stated molecular information to reduce the risk of ordering a similarly named boronate. We recommend confirming identity through the supplier’s certificate of analysis and, where required, independent analytical review.
The most relevant use is as a boron-containing intermediate for the preparation of more complex organic molecules. In an appropriate reaction design, the boronate group may participate in palladium-catalyzed cross-coupling with a compatible aryl, heteroaryl, or vinyl electrophile. This can support the construction of molecules containing substituted alkene, cyclic ketal, or spirocyclic motifs.
However, CAS 680596-79-6 should not be treated as a universally compatible reagent. Boronate stability and conversion can vary with water content, base selection, catalyst loading, reaction time, and purification conditions. We therefore recommend laboratory-scale screening before a buyer commits to larger quantities.
Researchers may evaluate this intermediate during the discovery of pharmaceutical candidates or during route development for advanced intermediates. The protected oxygen-containing ring can help preserve a desired structural relationship during several synthetic steps, although deprotection conditions must be selected according to the rest of the molecule. The compound is a research and synthesis material rather than a finished pharmaceutical active ingredient.
For process development, the key question is not only whether the material reacts, but also whether its impurity profile, lot consistency, packaging, and supply continuity are suitable for the intended route. A buyer should define the required assay, impurity limits, residual solvent expectations, and analytical methods before requesting a scale-up quotation.
Commercial discussions for this type of intermediate generally focus on grade, quantity, packaging, and documentation rather than on multiple fundamentally different material forms. A buyer may request a small research sample, a development-scale quantity, or a larger project supply subject to production feasibility. We can review the intended application and determine whether an existing batch, fresh preparation, or custom sourcing route is more appropriate.
| Procurement option | Typical purpose | Information to confirm |
|---|---|---|
| Research sample | Reaction screening and identity confirmation | Sample quantity, assay, analytical package, storage statement |
| Development supply | Route optimization and reproducibility studies | Batch consistency, impurity profile, lead time, packaging |
| Project or scale-up supply | Planned synthesis and manufacturing support | Forecast, specifications, production capacity, quality agreement needs |
Specification review should begin with identity and assay, but it should not stop there. For a boronic acid pinacol ester, buyers may need chromatographic purity, water content, residual solvents, inorganic residues, appearance, and stability information. A specification such as assay ≥95% may be appropriate for an early research project, but a regulated or process-critical application may require a tighter, project-specific limit.
We advise buyers to request a current certificate of analysis rather than relying only on a catalogue description. Depending on the application, useful supporting documents may include HPLC or GC data, NMR data, Karl Fischer water results, residual solvent information, SDS documentation, and a statement of storage conditions. The actual test method and acceptance criteria should be agreed before purchase if the material will enter a controlled development workflow.
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Storage should always follow the supplier’s current SDS and product-specific instructions. Buyers should protect the material from conditions that may promote degradation, contamination, or moisture exposure, and should avoid transferring it into unlabelled containers. Because handling requirements can differ by batch and packaging format, we do not recommend assuming a universal storage temperature such as 2–8 °C without written confirmation.
In a medicinal chemistry laboratory, the compound may be used for parallel synthesis or analogue preparation after reaction conditions have been screened. In a process development setting, the focus is more likely to be impurity control, reaction reproducibility, isolation, and downstream deprotection. In either case, the customer should assess whether the ketal protecting group and boronate functionality remain compatible with the complete synthetic sequence.
Reaction development should account for the possibility that boronate reagents can respond differently to bases, aqueous work-up, prolonged heating, or strongly oxidative conditions. A small-scale experiment using a representative coupling partner can provide more useful evidence than relying on a generic reaction assumption. We suggest documenting conversion, isolated yield, impurity formation, and purification performance before approving a larger order.
A reliable supplier should be able to identify the material clearly and explain which data are batch-specific. We recommend checking whether the quotation includes the exact CAS number, available assay, package size, delivery terms, and document list. If a supplier provides only a name and price without analytical support, the buyer may face avoidable identity or quality risks.
For a specialized intermediate, the lowest quoted price may not represent the lowest total procurement cost. A buyer should consider sample availability, production scheduling, packaging, transport conditions, document preparation, and the supplier’s ability to support repeat orders. We can discuss quantities ranging from small laboratory samples, such as 1–10 g, to larger project requirements after reviewing the application and forecast.
Lead time should be confirmed in writing because it can depend on stock status, testing, production capacity, and export documentation. Rather than promising a fixed delivery period without checking the batch position, we provide a quotation based on the requested quantity, destination, specification, and required documents. This approach helps buyers plan experiments and manufacturing schedules more realistically.
At Maison Chemical, we support the evaluation of CAS 680596-79-6 as a pharmaceutical and fine-chemical intermediate. Our role can include product identification, specification discussion, document coordination, packaging review, quotation preparation, and export supply communication. We can also help distinguish between a research purchase and a development-scale requirement so that the requested documentation matches the project stage.
For a technical inquiry, we recommend sending the required quantity, target assay, intended use, destination country, preferred packaging, and any document requirements. If you have a customer specification or internal analytical method, sharing it at the quotation stage can reduce later clarification. We will then review the supply route and respond with the product information that can be verified for the requested batch or production plan.
1,4-Dioxaspiro[4,5]dec-7-en-8-boronic acid pinacol ester CAS 680596-79-6 is a useful candidate when a synthetic route requires a protected spirocyclic boronate building block. It may support medicinal chemistry, advanced intermediate synthesis, and process research, but its value depends on verified identity, acceptable purity, and demonstrated reaction compatibility. The most practical next step is to define your target specification and test the material on a representative reaction scale.
To request information from Maison Chemical, provide the CAS number, desired quantity, assay requirement, destination, and documentation expectations. We can then evaluate available supply, packaging, analytical support, and delivery conditions for your project. Contact our B2B team for a product quotation and technical review based on your actual synthesis or procurement requirements.
For more 1,4-Dioxaspiro[4,5]dec-7-en-8-boronic acid pinacol ester CAS 680596-79-6information, please contact us. We will provide professional answers.