Basic Information
Chinese Name: 2-Bromo-5,6-dihydro-4H-benzothiazol-7-one
English Name: 2-Bromo-5,6-dihydro-4H-benzothiazol-7-one
Molecular Formula: C₇H₆BrNOS
Molecular Weight: 248.09
CAS Number: The specific number can be obtained through professional chemical databases (such as PubChem and SciFinder).
Structural Characteristics
This molecule is a derivative of benzothiazolone, forming a unique fused ring system with reactive substituents:
Core Skeleton: A benzothiazole structure composed of a benzene ring fused to a thiazole ring. The thiazole ring is fused to a saturated cyclohexanone fragment (5,6-dihydro-4H structure), with a ketocarbonyl group (C=O) at the 7-position, forming a rigid skeleton with both aromatic (benzene and thiazole rings) and alicyclic (saturated cyclohexanone) properties. Substituents: The bromine atom (-Br) at the 2-position acts as a strong electron-withdrawing group and a good leaving group, imparting high reactivity to the molecule. The ketocarbonyl group (C=O) at the 7-position serves as an electrophilic reaction site, enhancing the molecule's polarity.
This structure combines the stability of a fused ring with the reactivity of the bromine atom and the derivatization potential of the ketocarbonyl group, making it a versatile synthetic building block.