[3-(2,5-dimethylphenyl)-8-methoxy-2-oxo-1-azaspiro[4.5]dec-3-en-4-yl] ethyl carbonate

[3-(2,5-dimethylphenyl)-8-methoxy-2-oxo-1-azaspiro[4.5]dec-3-en-4-yl] ethyl carbonate is a complex organic compound with the CAS number 203313-25-1 and molecular formula C21H27NO5. This spirocyclic compound features a distinctive spiro[4.5]decane core structure with dimethylphenyl and methoxy substituents. With a molecular weight of 373.4 g/mol, it belongs to a specialized class of nitrogen-containing heterocycles used in pharmaceutical and chemical research applications.

[3-(2,5-dimethylphenyl)-8-methoxy-2-oxo-1-azaspiro[4.5]dec-3-en-4-yl] ethyl carbonate is a solid organic compound at room temperature with a molecular weight of 373.4 g/mol. The compound contains multiple functional groups including carbonate ester, ketone, and aromatic moieties, which influence its solubility characteristics. Its complex structure with both hydrophobic aromatic rings and polar functional groups affects its dissolution behavior in various solvents and its overall stability profile.

[3-(2,5-dimethylphenyl)-8-methoxy-2-oxo-1-azaspiro[4.5]dec-3-en-4-yl] ethyl carbonate is primarily used as a specialized chemical intermediate in pharmaceutical research and development. Its unique spirocyclic structure makes it valuable for medicinal chemistry applications, particularly in the synthesis of bioactive compounds. The compound may also serve as a building block for advanced organic synthesis and as a reference standard in analytical chemistry laboratories focused on pharmaceutical analysis.

[3-(2,5-dimethylphenyl)-8-methoxy-2-oxo-1-azaspiro[4.5]dec-3-en-4-yl] ethyl carbonate requires careful handling due to its classification as a reproductive toxicant (Repr. 2), skin sensitizer (Skin Sens. 1A), and eye irritant. Essential PPE includes chemical-resistant gloves, safety goggles, and lab coats. Work in well-ventilated areas or under fume hoods to prevent inhalation exposure. Avoid skin and eye contact, and implement strict hygiene measures including thorough handwashing after handling.

[3-(2,5-dimethylphenyl)-8-methoxy-2-oxo-1-azaspiro[4.5]dec-3-en-4-yl] ethyl carbonate should be stored in a cool, dry, well-ventilated area away from heat sources and direct sunlight. Keep containers tightly sealed to prevent moisture absorption and contamination. Due to its reproductive toxicity classification, store in restricted access areas with appropriate warning labels. Separate from incompatible materials and maintain storage conditions that preserve the compound's stability while minimizing exposure risks to personnel.

Immediate action is required following contact with [3-(2,5-dimethylphenyl)-8-methoxy-2-oxo-1-azaspiro[4.5]dec-3-en-4-yl] ethyl carbonate. For skin contact, remove contaminated clothing and wash affected area thoroughly with soap and water for at least 15 minutes. In case of eye contact, flush immediately with clean water for 15-20 minutes and remove contact lenses if present. If inhaled, move to fresh air immediately. Seek medical attention for all exposure routes, especially considering the compound's reproductive toxicity classification.

[3-(2,5-dimethylphenyl)-8-methoxy-2-oxo-1-azaspiro[4.5]dec-3-en-4-yl] ethyl carbonate must be disposed of as hazardous chemical waste through licensed waste management companies. Due to its aquatic toxicity classification (Aquatic Acute 1, Aquatic Chronic 1), prevent environmental release during disposal. Follow local and national regulations for hazardous waste disposal, including proper documentation and labeling. Incineration at appropriate temperature in specialized facilities is typically the preferred disposal method for organic compounds with complex structures.

[3-(2,5-dimethylphenyl)-8-methoxy-2-oxo-1-azaspiro[4.5]dec-3-en-4-yl] ethyl carbonate is classified as ADR Class 9 (Miscellaneous Dangerous Substances), Packing Group III for transportation. This classification requires appropriate packaging, labeling, and documentation according to international dangerous goods regulations. Packages must bear proper shipping names, UN numbers, and hazard labels. Transport vehicles must comply with ADR requirements, and drivers need appropriate training for handling Class 9 substances during transit.

[3-(2,5-dimethylphenyl)-8-methoxy-2-oxo-1-azaspiro[4.5]dec-3-en-4-yl] ethyl carbonate is subject to REACH regulation for registration and safety data requirements in the EU. While not currently listed as an SVHC (Substance of Very High Concern), its reproductive toxicity classification (Repr. 2) requires compliance with CLP regulation for classification, labeling, and packaging. Users must implement appropriate risk management measures and ensure proper worker protection due to its hazardous properties classification under European chemical legislation.

[3-(2,5-dimethylphenyl)-8-methoxy-2-oxo-1-azaspiro[4.5]dec-3-en-4-yl] ethyl carbonate is available through OYSI, a specialized European distributor of technical chemicals and pharmaceutical intermediates. OYSI provides this compound with complete regulatory documentation, safety data sheets, and certificates of analysis to ensure compliance with European regulations. As a professional chemical distributor, OYSI offers reliable supply chains and technical support for customers requiring this specialized spirocyclic compound for research and development applications.