xanthone-2-carboxylic acid

Base Information

• Chemical Name: xanthone-2-carboxylic acid
• CAS No.: 40274-67-7
• Molecular Formula: C14H8O4
• Molecular Weight: 240.21
• Hs Code.: 2932999099
• Mol file: 40274-67-7.mol

Synonyms:Xanthone-2-carboxylic acid;9-Oxo-9H-xanthene-2-carboxylic acid;9-Oxo-xanthen-2-carbonsaeure;9-oxo-xanthene-2-carboxylic acid;

Chemical Property of xanthone-2-carboxylic acid

Chemical Property:

• Vapor Pressure: 3.66E-10mmHg at 25°C
• Melting Point: >300 °C
• Boiling Point: 483.6°C at 760 mmHg
• PKA: 3.94±0.20(Predicted)
• Flash Point: 192.9°C
• PSA: 67.51000
• Density: 1.445g/cm³
• LogP: 2.64440
• Storage Temp.: Sealed in dry,Room Temperature

Purity/Quality:

98%min ^*data from raw suppliers

9-Oxo-9H-xanthene-2-carboxylic acid 95+% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of xanthone-2-carboxylic acid

There total 17 articles about xanthone-2-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: 90.0%

2-(4'-carboxy-phenoxy)benzoic acid (37407-16-2) → 9-oxo-9H-xanthene-2-carboxylic acid (40274-67-7)

Guidance literature:

With PPA; at 180 - 200 ℃; for 4h;

DOI:10.1002/(SICI)1521-4184(199805)331:5<177::AID-ARDP177>3.0.CO;2-K

Reference yield: 80.0%

4-phenoxy-1,3-benzenedicarboxylic acid (40586-47-8) → 9-oxo-9H-xanthene-2-carboxylic acid (40274-67-7)

Guidance literature:

With sulfuric acid; at 20 ℃; for 18h;

DOI:10.1021/ja066692u

Reference yield: 79.0%

2-methyl-9H-xanthen-9-one (6280-45-1) → 9-oxo-9H-xanthene-2-carboxylic acid (40274-67-7)

Guidance literature:

With chromium(VI) oxide; acetic anhydride; acetic acid; at 0 - 100 ℃; for 3h;

DOI:10.1016/j.bmc.2021.116292

upstream raw materials:

2,4'-oxy-di-benzoyl chloride

2-(4'-carboxy-phenoxy)benzoic acid

4-phenoxy-1,3-benzenedicarboxylic acid

4-bromo-1,3-benzenedicarboxylic acid dimethyl ester

Downstream raw materials:

7-(N,N-Dimethylsulfamoyl)-9-oxo-9H-xanthene-2-carboxylic acid

Refernces

• 1、 Herder, Martin,Lehn, Jean-Marie. "The Photodynamic Covalent Bond: Sensitized Alkoxyamines as a Tool to Shift Reaction Networks Out-of-Equilibrium Using Light Energy". supporting information. p. 7647 - 7657. Retrieved 2018/06/26.
• 2、 Kottani, Rudresha,Majjigapu, Janaki R. R.,Kurchan, Alexei,Majjigapu, Kavitha,Gustafson, Tiffany P.,Kutateladze, Andrei G.. "Photoinduced signal amplification through controlled externally sensitized fragmentation in masked sensitizers". . p. 14794 - 14795. Retrieved 2008/02/04.