6-Bromochromone-3-carboxylic acid

Base Information

• Chemical Name: 6-Bromochromone-3-carboxylic acid
• CAS No.: 51085-91-7
• Molecular Formula: C10H5BrO4
• Molecular Weight: 269.051
• Hs Code.: 2918300090
• European Community (EC) Number: 637-088-0
• DSSTox Substance ID: DTXSID70373617
• Wikidata: Q82161863
• Mol file: 51085-91-7.mol

Synonyms:6-Bromochromone-3-carboxylic acid;51085-91-7;6-BROMO-4-OXO-4H-CHROMENE-3-CARBOXYLIC ACID;6-bromo-4-oxochromene-3-carboxylic acid;SCHEMBL3344909;6-Bromochromon-3-carboxylic acid;DTXSID70373617;IJTWNMVKNJSGMS-UHFFFAOYSA-N;MFCD01548933;AKOS000176837;FS-6379;CS-0323014

Chemical Property of 6-Bromochromone-3-carboxylic acid

Chemical Property:

• Melting Point: 191-193℃
• Boiling Point: 397.8 °C at 760 mmHg
• PKA: 2.12±0.20(Predicted)
• Flash Point: 194.4 °C
• PSA: 67.51000
• Density: 1.874 g/cm³
• LogP: 2.25370
• XLogP3: 2.5
• Hydrogen Bond Donor Count: 1
• Hydrogen Bond Acceptor Count: 4
• Rotatable Bond Count: 1
• Exact Mass: 267.93712
• Heavy Atom Count: 15
• Complexity: 336

Purity/Quality:

98%min ^*data from raw suppliers

6-Bromochromone-3-carboxylicAcid ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

• Canonical SMILES: C1=CC2=C(C=C1Br)C(=O)C(=CO2)C(=O)O

Technology Process of 6-Bromochromone-3-carboxylic acid

There total 3 articles about 6-Bromochromone-3-carboxylic acid which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 55.2%

6-bromo-4-oxo-4H-chromene-3-carbaldehyde (52817-12-6) → 6-bromo-4-oxo-4H-chromene-3-carboxylic acid (51085-91-7)

Guidance literature:

With sodium chlorite; aminosulfonic acid; In dichloromethane; water; at 0 - 25 ℃;

DOI:10.24820/ARK.5550190.P011.356

Reference yield:

5-Bromo-2-hydroxyacetophenone (1450-75-5) → 6-bromo-4-oxo-4H-chromene-3-carboxylic acid (51085-91-7)

Guidance literature:

Multi-step reaction with 2 steps

1.1: 0.5 h / -10 °C

1.2: 16 h / -10 - 20 °C

2.1: sodium chlorite; aminosulfonic acid; water / dichloromethane / 15 h / 0 °C

With sodium chlorite; aminosulfonic acid; water; In dichloromethane;

DOI:10.1016/j.ejmech.2018.07.056

Reference yield:

→ 6-bromo-4-oxo-4H-chromene-3-carboxylic acid (51085-91-7)

Guidance literature:

entspr. 3-(Hydroxymethyl)chromon Derivat, Chromoxid (Jones Reagenz);

upstream raw materials:

6-bromo-4-oxo-4H-chromene-3-carbaldehyde

5-Bromo-2-hydroxyacetophenone

Downstream raw materials:

8-bromo-2-phenyl-2H-chromeno[4,3-c]pyrazol-3-one

6-Bromo-4-hydroxy-2-oxo-2H-chromene-3-carbaldehyde

6-bromo-1-benzopyran-4(4H)-one