6,8-Dibrom-4-oxo-4H-chromen-3-carbaldehyde

Names

[ CAS No. ]:
42059-76-7

[ Name ]:
6,8-Dibrom-4-oxo-4H-chromen-3-carbaldehyde

[Synonym ]:
6,8-dibromo-2-thioxo-2,3-dihydro-4H-1,3-benzoxazin-4-one
6,8-Dibromo-dihydro-1,3-benzoxazine-2-thione-4-one
6,8-dibromo-4-oxo-4H-1-benzopyran-3-carboxaldehyde

Chemical & Physical Properties

[ Melting Point ]:
174-176ºC(lit.)

[ Molecular Formula ]:
C₁₀H₄Br₂O₃

[ Molecular Weight ]:
331.94500

[ Exact Mass ]:
329.85300

[ PSA ]:
47.28000

[ LogP ]:
3.13050

MSDS

Click to get detail MSDS

Safety Information

[ Symbol ]:

GHS06

[ Signal Word ]:
Danger

[ Hazard Statements ]:
H301

[ Precautionary Statements ]:
P301 + P310

[ Personal Protective Equipment ]:
Eyeshields;Faceshields;Gloves;type P2 (EN 143) respirator cartridges

[ Risk Phrases ]:
25

[ Safety Phrases ]:
45

[ RIDADR ]:
UN 2811 6.1/PG 3

[ HS Code ]:
2914700090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

DownStream

Customs

[ HS Code ]: 2914700090

[ Summary ]:
HS: 2914700090 halogenated, sulphonated, nitrated or nitrosated derivatives of ketones and quinones, whether or not with other oxygen function Tax rebate rate:9.0% Supervision conditions:none VAT:17.0% MFN tariff:5.5% General tariff:30.0%

Articles

Biological activity of 3-formylchromones and related compounds.

In Vivo 21(5) , 829-34, (2007)

Several 3-formylchromone derivatives were examined for their tumor cell-cytotoxic, anti-Helicobacter pylori, urease inhibitory and anti-HIV activity. Comparing their relative cytotoxicity against four...

Crystal structure of (3,5-di-chloro-2-hy-droxy-phen-yl){1-[(naphthalen-1-yl)carbon-yl]-1H-pyrazol-4-yl}methanone.

Acta Crystallogr. Sect. E Struct. Rep. Online 70(12) , 522-24, (2014)

The title compound, C21H12Cl2N2O3, is a 1,4-diaroyl pyrazole derivative and has three aromatic rings. The dihedral angles between the naphthalene ring system and the pyrazole ring, the pyrazole and ph...