4-Fluoro-1H-indole-2-carboxylic acid

Base Information

• Chemical Name: 4-Fluoro-1H-indole-2-carboxylic acid
• CAS No.: 399-68-8
• Molecular Formula: C9H6FNO2
• Molecular Weight: 179.151
• Hs Code.: 2933990090
• European Community (EC) Number: 824-613-5
• DSSTox Substance ID: DTXSID80398674
• Wikidata: Q72480195
• Mol file: 399-68-8.mol

Synonyms:4-Fluoro-1H-indole-2-carboxylic acid;399-68-8;4-Fluoroindole-2-carboxylic acid;4-Fluoroindole-2-carboxylicacid;MFCD02664471;SCHEMBL3417091;DTXSID80398674;KBWWCYDFHITBFO-UHFFFAOYSA-N;AMY14046;BBL022474;STK504668;4-Fluoro-1H-indole-2-carboxylicacid;AKOS000118388;AC-9838;CS-W005389;FS-3240;SB14982;1H-Indole-2-carboxylic acid, 4-fluoro-;SY059457;BB 0248957;FT-0659506;EN300-15099;A22120;F-5140;4-Fluoro-1H-indole-2-carboxylic acid, AldrichCPR;Z119989618

Chemical Property of 4-Fluoro-1H-indole-2-carboxylic acid

Chemical Property:

• Vapor Pressure: 7.01E-08mmHg at 25°C
• Melting Point: 219-220 °C (decomp)
• Refractive Index: 1.692
• Boiling Point: 422.162 °C at 760 mmHg
• PKA: 4.32±0.30(Predicted)
• Flash Point: 209.116 °C
• PSA: 53.09000
• Density: 1.51 g/cm³
• LogP: 2.00520
• Storage Temp.: 2-8°C
• XLogP3: 2.4
• Hydrogen Bond Donor Count: 2
• Hydrogen Bond Acceptor Count: 3
• Rotatable Bond Count: 1
• Exact Mass: 179.03825660
• Heavy Atom Count: 13
• Complexity: 222

Purity/Quality:

99%, ^*data from raw suppliers

4-Fluoroindole-2-carboxylicacid ^*data from reagent suppliers

Safty Information:

• Pictogram(s): Xi
• Hazard Codes: Xi

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C1=CC2=C(C=C(N2)C(=O)O)C(=C1)F

Technology Process of 4-Fluoro-1H-indole-2-carboxylic acid

There total 6 articles about 4-Fluoro-1H-indole-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: 98.0%

4-fluoro-1H-indole-2-carboxylic acid methyl ester (113162-36-0) → 4-fluoro-1H-indole-2-carboxylic acid (399-68-8)

Guidance literature:

With sodium hydroxide; for 2.5h; Heating;

DOI:10.1139/V07-020

Reference yield: 62.0%

3-(2-fluoro-6-nitrophenyl)-2-oxopropanoic acid (7593-91-1) → 4-fluoro-1H-indole-2-carboxylic acid (399-68-8)

Guidance literature:

With ammonia; iron(II) sulfate;

DOI:10.1021/jm00400a009

Reference yield:

1-fluoro-2-methyl-3-nitrobenzene (769-10-8) → 4-fluoro-1H-indole-2-carboxylic acid (399-68-8)

Guidance literature:

Multi-step reaction with 3 steps

1: EtOK / ethanol / 6 h / Heating

2: aq. HCl

3: 62 percent / FeSO₄/NH₃

With hydrogenchloride; potassium ethoxide; ammonia; iron(II) sulfate; In ethanol;

DOI:10.1021/jm00400a009

upstream raw materials:

1-fluoro-2-methyl-3-nitrobenzene

oxalic acid diethyl ester

3-(2-fluoro-6-nitrophenyl)-2-oxopropanoic acid

4-fluoro-1H-indole-2-carboxylic acid methyl ester

Downstream raw materials:

(4-fluoro-1H-indol-2-yl)methanamine

(4-fluoro-1H-indol-2-yl)-(4-methyl-1,4-diazepan-1-yl)methanone

4-fluoro-1H-indole-2-carboxylic acid methyl ester

1-(2'-deoxy-5'-O-tert-butyldiphenylsilyl-3'-O-mesyl-β-D-erythro-pentofuranosyl)-4-fluoroindole

Refernces

• 1、 Bozilovic, Jelena,Bats, Jan W.,Engels, Joachim W.. "Synthesis and structure of fluoroindole nucleosides". . p. 283 - 292. Retrieved 2008/02/11.
• 2、 -. "Tripeptidyl peptidase inhibitors". Page column 20. . Retrieved 2010/11/29.