(1R,5S)-3-Ethylbicyclo[3.2.0]hept-3-en-6-one(CAS: 1235479-61-4)

(1R,5S)-3-Ethylbicyclo[3.2.0]hept-3-en-6-one crystallizes in a white solid form. Its molecular weight is approximately 154.24 g/mol. It is slightly soluble in water but soluble in organic solvents like ethanol and acetone. Reactivity-wise, it shows electrophilic aromatic substitution properties and can undergo hydrolysis under basic conditions. It is stable under normal laboratory conditions but should be stored away from moisture and heat.

(1R,5S)-3-Ethylbicyclo[3.2.0]hept-3-en-6-one is commonly synthesized via a Wittig reaction between ethylmethylphosphonate and 3,7-dimethylbicyclo[3.2.0]hept-3-ene. This method provides good yield (70-80%) and high selectivity. Catalysts such as sodium bis(trimethylsilyl)amide (NTMSA) are employed to enhance reactivity and control the reaction pathway.

(1R,5S)-3-Ethylbicyclo[3.2.0]hept-3-en-6-one finds applications in the pharmaceutical industry for the synthesis of bioactive compounds, in the polymer industry for functional polymers, and in the chemical sector for the development of sensors and semiconductors. Its unique structural features make it a valuable intermediate in these industries.

When handling (1R,5S)-3-Ethylbicyclo[3.2.0]hept-3-en-6-one, it is essential to wear appropriate personal protective equipment (PPE) including gloves, goggles, and a lab coat. Perform reactions in a well-ventilated fume hood to minimize inhalation risks. Store it in a cool, dry place, away from moisture and heat. In case of a spill, immediately clean up using appropriate absorbents and follow safety data sheet (SDS) guidelines for proper disposal and handling.