Industrial Synthesis Route For N,N-Diethyl-3-Oxobutyramide
- [Chemical Efficiency]: Optimized acetoacetylation ensures yields exceeding 90% with minimal byproduct formation.
- [Supply Chain Integrity]: Factory-direct tonnage quantities available with strict batch-to-batch consistency.
- [Compliance Framework]: Full adherence to international safety standards regarding hazardous reagent handling.
N,N-Diethyl-3-oxobutyramide (CAS: 2235-46-3) serves as a critical building block in the production of high-value pharmaceutical active ingredients and agricultural chemicals. Known alternatively as N,N-Diethylacetoacetamide or N-Acetoacetyldiethylamine, this compound requires precise manufacturing controls to ensure consistent quality across large-scale batches. As a premier global manufacturer, NINGBO INNO PHARMCHEM CO.,LTD. delivers this key intermediate with a focus on process safety, yield optimization, and regulatory compliance.
Optimized Manufacturing Process and Reaction Kinetics
The production of N,N-diethyl-acetylacetic amide typically involves the acetoacetylation of diethylamine. Historically, processes relied on direct reaction with diketene. However, technical analysis indicates that handling unstabilized diketene presents significant safety challenges due to its high reactivity and toxicity profiles. Modern manufacturing process protocols increasingly favor safer alternatives, such as using diketene-acetone adducts (2,2,6-trimethyl-1,3-dioxin-4-one), to mitigate these risks while maintaining high conversion rates.
For process chemists, the critical parameters involve temperature control and solvent selection. Reflux conditions in inert solvents such as toluene or acetone allow for the continuous removal of byproducts, driving the equilibrium toward the desired 1-(N,N-diethylcarbamyl)-2-propanone structure. Our internal data suggests that maintaining reaction temperatures between 110°C and 115°C during the acetoacetylation step maximizes yield while minimizing the formation of polymeric impurities. Following the reaction, standard work-up procedures involving aqueous extraction and vacuum distillation ensure the removal of residual amines and solvent traces.
Quality Parameters and Technical Specifications
Ensuring industrial purity is paramount for downstream applications, particularly when the intermediate is utilized in multi-step syntheses for kinase inhibitors or pesticide formulations. Buyers evaluating suppliers must verify that the material meets strict chromatographic standards. When sourcing high-purity industrial purity, buyers should prioritize vendors who provide comprehensive analytical data including HPLC, GC, and NMR spectra for every production lot.
| Parameter | Specification | Test Method |
|---|---|---|
| CAS Registry Number | 2235-46-3 | N/A |
| Chemical Name | N,N-Diethylacetylacetic acid amide | IUPAC |
| Molecular Weight | 157.21 g/mol | Calculated |
| Assay (Purity) | ≥ 98.5% (GC Area) | Gas Chromatography |
| Water Content | ≤ 0.5% | Karl Fischer |
| Packaging | 200kg Drum / ISO Tank | Standard |
Procurement Strategy and Supply Chain Stability
For procurement officers, securing a reliable supply chain is as critical as the chemical specifications themselves. Market fluctuations can impact the bulk price of raw materials such as diethylamine and acetoacetic esters. Established manufacturers mitigate this volatility through long-term contracts with upstream suppliers and maintained inventory buffers. NINGBO INNO PHARMCHEM CO.,LTD. ensures supply continuity by operating dedicated production lines capable of scaling from kilogram samples to tonnage quantities without compromising quality.
Verification of quality is streamlined through digital documentation. Every shipment is accompanied by a batch-specific COA (Certificate of Analysis) and SDS (Safety Data Sheet). This transparency allows quality assurance teams to validate material identity and purity before integration into their own synthesis routes, reducing the risk of production delays caused by out-of-spec raw materials.
Regulatory Compliance and Commercial Viability
Executive decision-makers must consider the regulatory landscape when selecting chemical partners. Compliance with frameworks such as REACH and TSCA is non-negotiable for market access in Europe and North America. Furthermore, the shift away from hazardous reagents like unstable diketene aligns with modern Environmental, Health, and Safety (EHS) goals. By adopting safer synthesis route methodologies, manufacturers reduce liability and ensure long-term commercial viability for their clients.
Scalability is another key factor. A process that works in the laboratory must translate efficiently to industrial reactors. Our facilities are equipped to handle exothermic reactions safely, utilizing advanced cooling systems and automated dosing controls to maintain consistent reaction profiles. This capability ensures that the N,N-diethylacetoacetoamide supplied meets the rigorous demands of commercial-scale API production.
Conclusion
Selecting the right partner for N,N-Diethyl-3-oxobutyramide requires a balance of technical expertise, supply reliability, and regulatory adherence. By prioritizing safer synthesis methods and maintaining strict quality controls, we support our clients in achieving their production goals efficiently.
To discuss your specific requirements or to request a sample, please contact our technical sales team for a batch-specific COA, SDS, or bulk pricing quote.