3-Oxabicyclo[3.1.0]hexane-2,4-dione(CAS: 5617-74-3)

3-Oxabicyclo[3.1.0]hexane-2,4-dione is a colorless to light yellow crystalline solid with a molecular weight of approximately 132.14 g/mol. It has a solubility of about 4.2 g/L in water at 25°C. Chemically, it exhibits moderate reactivity, particularly with nucleophiles and bases. It is prone to hydrolysis under basic conditions and can form cyclic imides with amine compounds.

3-Oxabicyclo[3.1.0]hexane-2,4-dione can be synthesized via the Wittig reaction, where a ketone reacts with methyltriphenylphosphonium bromide in the presence of a base like triethylamine. This method provides good yield and selectivity. Alternatively, it can be synthesized through the condensation of acetoacetate derivatives with a suitable aldehyde or ketone.

3-Oxabicyclo[3.1.0]hexane-2,4-dione is primarily used in the pharmaceutical industry for the synthesis of certain drug intermediates. It also finds applications in the polymer industry as a monomer for the production of specific polymers. Additionally, it is utilized in the development of sensors and as a precursor in semiconductor technology.

When handling 3-Oxabicyclo[3.1.0]hexane-2,4-dione, it is essential to wear appropriate personal protective equipment (PPE) including gloves, safety goggles, and a lab coat. Work should be conducted in a well-ventilated area or a fume hood due to its potential for inhalation hazards. Spills should be handled with care, using appropriate absorbent materials, and the area should be properly cleaned. Always refer to the Safety Data Sheet (SDS) for detailed handling instructions and emergency procedures.