(2R)-2,3-Dihydro-1,4-benzodioxine-2-carboxylic acid(CAS: 70918-53-5)

(2R)-2,3-Dihydro-1,4-benzodioxine-2-carboxylic acid is a white or light yellow crystalline solid with a molecular weight of approximately 192.22 g/mol. It has a pKa of about 4.6 and is slightly soluble in water. This compound is chemically stable under normal conditions but can react with bases to form salts, and it may undergo ring-opening reactions in strong acids. It is often used in organic synthesis and as a building block in pharmaceuticals and dyes.

(2R)-2,3-Dihydro-1,4-benzodioxine-2-carboxylic acid can be synthesized via a multi-step process involving condensation of a suitable precursor with a carboxylic acid. Common methods include the Wittig reaction followed by acidification or direct condensation of a benzodioxolone with a carboxylic acid. Yield and selectivity can be improved with the use of appropriate catalysts and solvents. Detailed procedures are often found in journal articles and patents.

(2R)-2,3-Dihydro-1,4-benzodioxine-2-carboxylic acid finds applications in various industries. It is primarily used in the pharmaceutical sector as a precursor for drug synthesis and in the production of organic dyes. It also has potential use in the polymer industry for the development of functional polymers and in the sensor industry for its electrophilic character. Additionally, it can be utilized in the semiconductor industry for specialized chemical processes.

When handling (2R)-2,3-Dihydro-1,4-benzodioxine-2-carboxylic acid, it is important to wear appropriate personal protective equipment (PPE) such as gloves, goggles, and a lab coat. Use a fume hood to minimize exposure to vapors. Spills should be cleaned up using appropriate chemical spill kits and the area should be well-ventilated. Always consult the Material Safety Data Sheet (MSDS) for detailed safety information and emergency procedures. Handle this compound with care due to its potential reactivity with bases and acids.