4,5-Dichloroquinazoline(CAS#2148-55-2)
Introduction
4,5-Dichloroquinazoline is a quinazoline compound containing dichlorosubstitution.By looking at its chemical structure, it is possible to understand the properties of 4,5-dichloroquinazoline. It is a colorless solid with a weak peculiar odor.Due to its special chemical structure, it can be used as an important intermediate to play an important role in the preparation of other organic compounds.The method for preparing 4,5-dichloroquinazoline can be obtained by reacting 2-chloroquinazoline with thionyl chloride. The specific steps include the reaction of 2-chloroquinazoline with thionyl chloride to form an intermediate product, followed by the chlorination reaction of the intermediate product with a mixture of methyl chloride and carbon tetrachloride, and finally crystallization and purification to obtain the target product.The compound may have an irritating effect on the human body, and direct contact with the skin and eyes should be avoided when operating, and operation in a well-ventilated environment should be ensured. Relevant regulations and safe operating procedures should be followed to ensure proper use and storage in laboratories and industrial production.