6-Bromoquinazoline-2,4-dione丨CAS 88145-89-5

6-Bromoquinazoline-2,4-dione is primarily used as a pharmaceutical and medicinal chemistry intermediate for synthesizing kinase inhibitors, anticancer drug candidates, and other bioactive heterocyclic compounds. The quinazoline core is a common pharmacophore in many therapeutic molecules targeting protein kinases involved in tumor growth and cellular signaling pathways. In organic synthesis, this compound is used as a building block for nucleophilic substitution and coupling reactions, enabling the introduction of various functional groups onto the heteroaromatic ring. It is also applied in the synthesis of agrochemical intermediates and specialty chemical compounds where heterocyclic scaffolds are required. In research laboratories, it is used for structure–activity relationship studies to optimize biological activity of quinazoline-based molecules.

One of the key benefits of 6-Bromoquinazoline-2,4-dione is its highly reactive bromine substituent, which enables efficient cross-coupling reactions such as Suzuki and Buchwald–Hartwig couplings for molecular diversification. The quinazoline-2,4-dione core provides strong hydrogen bonding potential, which is important in biological target binding and drug design. The compound's rigid aromatic heterocyclic structure enhances chemical stability during synthetic processing. In pharmaceutical research, it serves as a valuable scaffold for developing selective bioactive molecules. From a synthetic perspective, it allows efficient multi-step derivatization, reducing overall synthesis complexity. Its solid-state stability also supports storage, transportation, and large-scale production handling.