2',7'-Dichloro-3-oxo-3H-spiro[2-benzofuran-1,9'-xanthene]-3',6'-diyl diacetate(CAS: 2044-85-1)

The compound 2',7'-Dichloro-3-oxo-3H-spiro[2-benzofuran-1,9'-xanthene]-3',6'-diyl diacetate (CAS: 2044-85-1) crystallizes in the form of white or off-white crystals. Its molecular weight is approximately 482.16 g/mol. It is poorly soluble in water but soluble in organic solvents like dichloromethane, ethanol, and acetone. The compound has moderate reactivity, especially towards nucleophiles, and is susceptible to hydrolysis under basic conditions. It is insoluble in acetonitrile and other polar solvents, which are important for its handling and use in various applications.

2',7'-Dichloro-3-oxo-3H-spiro[2-benzofuran-1,9'-xanthene]-3',6'-diyl diacetate (CAS: 2044-85-1) is typically synthesized via a multistep process involving the condensation of 2,7-dichloro-3-oxo-3H-spiro[2-benzofuran-1,9'-xanthene] with acetic anhydride in the presence of a suitable base like triethylamine. The reaction is conducted at room temperature, and the product is purified by recrystallization from hot ethanol. The overall yield is around 70% to 80% with good selectivity.

2',7'-Dichloro-3-oxo-3H-spiro[2-benzofuran-1,9'-xanthene]-3',6'-diyl diacetate (CAS: 2044-85-1) is used in the pharmaceutical industry for its chemical reactivity and structural complexity. It is also utilized in the sensor industry for its ability to detect specific chemical species. In the semiconductors industry, it serves as a precursor for the synthesis of organic semiconductors. Additionally, it finds applications in the polymer industry as a fluorescent dye.

When handling 2',7'-Dichloro-3-oxo-3H-spiro[2-benzofuran-1,9'-xanthene]-3',6'-diyl diacetate (CAS: 2044-85-1), it is important to wear appropriate personal protective equipment (PPE) such as gloves, goggles, and a lab coat. The compound should be stored in a fume hood to minimize exposure to air and moisture. In case of a spill, it should be contained and cleaned up using appropriate absorbent materials. The Safety Data Sheet (SDS) should be consulted for detailed handling and disposal instructions. The compound is not considered hazardous under normal conditions but precautions should always be taken to ensure safety.