(2R,5R,2'R,5'R)-1,1'-(1,2-Phenylene)bis(2,5-dimethylphospholane)(CAS: 147253-67-6)

The compound (2R,5R,2'R,5'R)-1,1'-(1,2-Phenylene)bis(2,5-dimethylphospholane) (CAS: 147253-67-6) is a crystalline material with a molecular weight of approximately 238.3 g/mol. It has limited solubility in common organic solvents and is not water-soluble. Chemically, it is highly stable but reacts readily with strong oxidizing agents. It has a melting point around 150°C and a boiling point around 230°C under normal pressure.

This compound is typically synthesized through a multistep reaction involving the condensation of 2,5-dimethyl-1,3-diphosphonic acid with 1,2-phenylene diisocyanate. The reaction involves the use of a catalyst such as 1,8-diazabicyclo[5.4.0]undec-7-ene (DBU) and occurs under anhydrous conditions. The yield and selectivity of the product are high, with the final product being isolated by recrystallization.

This compound is primarily used in the pharmaceutical industry as a precursor for the synthesis of various phosphorus-containing compounds. It also finds applications in the production of certain polymers and as a reagent in organic synthesis. Additionally, it is utilized in the development of sensors and semiconductors due to its unique chemical properties.

When handling (2R,5R,2'R,5'R)-1,1'-(1,2-Phenylene)bis(2,5-dimethylphospholane) (CAS: 147253-67-6), it is essential to wear appropriate personal protective equipment (PPE) such as gloves, goggles, and a lab coat. Work should be conducted in a well-ventilated area or a fume hood to minimize inhalation risks. Spills should be handled carefully, using appropriate absorbents, and the material should be disposed of according to local regulations. Always consult the Safety Data Sheet (SDS) for detailed handling and disposal instructions.