2,4-Dichloro-5,7-dihydrothieno[3,4-d]pyrimidine(CAS: 74901-71-6)

2,4-Dichloro-5,7-dihydrothieno[3,4-d]pyrimidine is a crystalline compound with a molecular weight of approximately 214.02 g/mol. It has a low solubility in water but is more soluble in organic solvents like ethanol and acetone. It is moderately reactive and can undergo nucleophilic substitution reactions. The compound is stable under normal conditions but should be stored in a cool, dry place away from direct sunlight.

2,4-Dichloro-5,7-dihydrothieno[3,4-d]pyrimidine can be synthesized through the reaction of 2,4-dichloropyrimidine with thiophene. The synthesis involves heating the reactants in a suitable solvent under mild conditions, followed by work-up procedures such as extraction and recrystallization to obtain the desired product. The process typically yields a high purity product with good selectivity.

2,4-Dichloro-5,7-dihydrothieno[3,4-d]pyrimidine is used in the pharmaceutical industry for the synthesis of certain drugs. It also finds applications in the polymer industry for the development of novel materials. Additionally, it can be used in the sensor and semiconductor industries for various analytical and electronic applications.

When handling 2,4-Dichloro-5,7-dihydrothieno[3,4-d]pyrimidine, it is important to use proper personal protective equipment (PPE) including gloves, goggles, and a lab coat. Work should be conducted in a fume hood to minimize inhalation risks. Spills should be cleaned up immediately using appropriate absorbent materials, and the area should be ventilated. Always refer to the Safety Data Sheet (SDS) for detailed safety information.