2-BROMO-9H-XANTHEN-9-ONE cas 56341-31-2 powder

Product Overview:
2-Bromoanthone is an important organic synthesis intermediate and is a derivative of oxanthrone (zamptonone). It introduces highly reactive bromine atoms at position 2 of the parent nucleus 9H-zampton-9-ketone, which makes it valuable for the construction of more complex heterocyclic molecules and functional materials.

Basic information

Chinese name: 2-bromozamptonone

English name: 2-Bromoxanthen-9-one; 2-Bromo-9H-xanthen-9-one

CAS Number: 56341-31-2

Molecular formula: C₁₃H₇BrO₂

Molecular weight: 275.10 g/mol

Physicochemical properties

Appearance: Typically white to white-like or light yellow crystalline powder.

Melting point: approx. 195-199°C (literature value).

Solubility: Easily soluble in organic solvents such as methylene chloride, chloroform, N,N-dimethylformamide (DMF), acetone, etc., slightly soluble in alcohols, insoluble in water.

Main applications:
This compound is primarily used as a high-grade intermediate and has a wide range of applications in the following fields:

Medicinal Chemistry and Organic Synthesis:
Key Building Blocks: The 2-position bromine atom provides the perfect "handle" for the subsequent introduction of other pharmacophores (e.g., aromatic rings, heterocyclics, olefins, alkynes, etc.) through coupling reactions. Many biologically active oxanthracene compounds use it as a starting material. Active Molecule Synthesis: Used to synthesize complex natural product analogues and drug candidates with antitumor, antiviral, antibacterial, or anti-inflammatory activities. Functional Materials Science: Phosphors and Probes: Champtonone itself is a classic fluorophore. By modifying the 2-bit, its optical properties (absorption/emission wavelength, quantum yield, Stokes shift, etc.) can be adjusted for the development of novel fluorescence sensors, bioimaging probes, or dyes. Photoinitiators and photosensitizers: Campton ketone derivatives can produce reactive free radicals or singlet oxygen under UV light irradiation and are widely used in light-curing coatings, inks, adhesives, and photodynamic therapy. 2-Bromozampone is a key precursor to the synthesis of these advanced photosensitizers. Organic Semiconductor Materials: Their rigid conjugated planar structure makes them potential π-conjugated units for building electronic devices such as organic light-emitting diodes (OLEDs), airport-effect transistors (OFETS), and more. Coordination chemistry: Its carbonyl oxygen can coordinate with certain metals as a weak ligand. Storage and precautions Storage conditions: It should be sealed and protected from light, stored in a dry, cool (2-8°C refrigeration is preferred), and well-ventilated environment. Stability: Stable under conventional conditions but may be sensitive to light. Avoid contact with strong oxidants and strong reducing agents. Safety Information: Hazard Classification: Generally classified as an irritating substance. Safe Operation: Appropriate personal protective equipment, including chemical goggles, chemical gloves, and lab coats, should be worn during operation. Avoid inhaling dust or contact with skin and eyes. Operate in a well-ventilated chemical fume hood. Disposal: Disposed of as chemical waste in accordance with local regulations. Summary 2 ...

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