1-Ethyl-4-hydroxy-2(1H)-quinolinone

Base Information

• Chemical Name: 1-Ethyl-4-hydroxy-2(1H)-quinolinone
• CAS No.: 54675-30-8
• Molecular Formula: C11H11 N O2
• Molecular Weight: 189.214
• Hs Code.: 2933790090
• Mol file: 54675-30-8.mol

Synonyms:1-Ethyl-4-hydroxy-1,2-dihydroquinolin-2-one;1-Ethyl-4-hydroxycarbostyril; N-Ethyl-4-hydroxyquinol-2-one

Chemical Property of 1-Ethyl-4-hydroxy-2(1H)-quinolinone

Chemical Property:

• Vapor Pressure: 0.000311mmHg at 25°C
• Melting Point: 255-264 °C(Solv: ethanol (64-17-5))
• Boiling Point: 307.6°C at 760 mmHg
• PKA: 4.50±1.00(Predicted)
• Flash Point: 139.8°C
• PSA: 42.23000
• Density: 1.264g/cm³
• LogP: 1.72700

Purity/Quality:

99% ^*data from raw suppliers

1-Ethyl-4-hydroxyquinolin-2(1H)-one 97% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 1-Ethyl-4-hydroxy-2(1H)-quinolinone

There total 16 articles about 1-Ethyl-4-hydroxy-2(1H)-quinolinone 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: 95.0%

3-acetyl-1-ethyl-4-hydroxy-2(1Η)-quinolinone (66134-57-4) → 1-ethyl-4-hydroxy-1H-quinolin-2-one (54675-30-8)

Guidance literature:

With sulfuric acid; at 140 ℃; for 0.0833333h;

DOI:10.1002/prac.19943360707

Reference yield: 94.0%

6‐ethyl‐4‐hydroxy‐3‐nitropyrano[3,2‐c]quinoline‐2,5(6H)dione → 1-ethyl-4-hydroxy-1H-quinolin-2-one (54675-30-8)

Guidance literature:

With sodium hydroxide; In water; for 24h; Reflux;

DOI:10.3184/174751916X14579598972166

Reference yield: 94.0%

4-hydroxy-2-oxo-1-ethyl-1,2-dihydroquinoline-3-carboxylic acid (405112-23-4) → 1-ethyl-4-hydroxy-1H-quinolin-2-one (54675-30-8)

Guidance literature:

In N,N-dimethyl-formamide; for 4h; Reagent/catalyst; Reflux;

DOI:10.3184/174751916X14579598972166

upstream raw materials:

3-acetyl-1-ethyl-4-hydroxy-2(1Η)-quinolinone

4-hydroxy-2-oxo-1-ethyl-1,2-dihydroquinoline-3-carboxylic acid

N-ethyl-N-phenylamine

malonoyl dichloride

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