4-Ethyl-5-fluoro-6-hydroxypyrimidine

Base Information

• Chemical Name: 4-Ethyl-5-fluoro-6-hydroxypyrimidine
• CAS No.: 137234-87-8
• Molecular Formula: C6H7FN2O
• Molecular Weight: 142.133
• Hs Code.: 2933599090
• Mol file: 137234-87-8.mol

Synonyms:4(1H)-Pyrimidinone,6-ethyl-5-fluoro- (9CI);6-Ethyl-5-fluoro-4-hydroxypyrimidine;6-Ethyl-5-fluoropyrimidin-4(3H)-one;4(3H)-Pyrimidinone,6-ethyl-5-fluoro-;

Chemical Property of 4-Ethyl-5-fluoro-6-hydroxypyrimidine

Chemical Property:

• Appearance/Colour: white or off white solid
• Vapor Pressure: 0.883mmHg at 25°C
• Refractive Index: 1.541
• Boiling Point: 180.724 ºC at 760 mmHg
• PKA: 7.52±0.50(Predicted)
• Flash Point: 63.1 ºC
• PSA: 46.01000
• Density: 1.302 g/cm³
• LogP: 0.88370
• Storage Temp.: Inert atmosphere,Room Temperature
• Solubility.: Chloroform (Slightly), Methanol (Slightly)
• Water Solubility.: 94.9g/L at 20℃

Purity/Quality:

99% ^*data from raw suppliers

6-Ethyl-5-fluoropyrimidin-4(3H)-one ^*data from reagent suppliers

Safty Information:

• Pictogram(s): Xi,N,Xn
• Hazard Codes: Xi,N,Xn
• Statements: 22-50/53
• Safety Statements: 60-61

MSDS Files:

SDS file from LookChem

Useful:

• Uses: 4-Ethyl-5-fluoro-6-hydroxypyrimidine is a pyrimidine derivative used in the preparation of bio-active compounds such as broad-spectrum triazole antifungal agents.

Technology Process of 4-Ethyl-5-fluoro-6-hydroxypyrimidine

There total 11 articles about 4-Ethyl-5-fluoro-6-hydroxypyrimidine 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: 85.4%

5-chloro-6-ethyl-4-hydroxypyrimidine (130129-58-7) → 6-ethyl-5-fluoro-4-hydroxypyrimidine (137234-87-8)

Guidance literature:

With potassium fluoride; tetraphenylphosphonium bromide; In sulfolane; at 240 ℃; for 24h; Inert atmosphere;

Reference yield: 80.0%

2-chloro-6-ethyl-5-fluoro-4-hydroxypyrimidine ammonium salt → 6-ethyl-5-fluoro-4-hydroxypyrimidine (137234-87-8)

Guidance literature:

With 5%-palladium/activated carbon; hydrogen; In ethanol; at 50 ℃; under 2585.81 Torr;

DOI:10.1021/op0000879

Reference yield:

2-fluoro-3-oxopentanoic acid ethyl ester (759-67-1) + formamidine acetic acid (3473-63-0) → 6-ethyl-5-fluoro-4-hydroxypyrimidine (137234-87-8)

Guidance literature:

With sodium methylate; In methanol; at 15 ℃; for 20h; Solvent; Time; Temperature; Reagent/catalyst;

upstream raw materials:

2-fluoro-3-oxopentanoic acid ethyl ester

formamidine acetic acid

2,4-dichloro-5-fluoropyrimidine

Diethyl methylmalonate

Downstream raw materials:

voriconazole

2-(2,4-Difluorophenyl)-3-(5-fluoropyrimidin-4-yl)-1-(1H-1,2,4-triazol-1-yl)butan-2-ol

(2R,3S)-2-(2,4-difluorophenyl)-3-(5-fluoro-4-pyrimidinyl)-1-(1H-1,2,4-triazol-1-yl)-2-butanol (1R)-10-camphorsulfonate

1-(4-chloro-5-fluoropyrimidin-6-yl)bromoethane

Refernces

• 1、 -. "A 4 - (1-bromo-ethyl) - 5-fluoro-6-chloro-pyrimidine synthesis method". Paragraph 0023; 0033; 0036; 0037. . Retrieved 2017/02/23.
• 2、 -. "Preparation of triazoles by organometallic addition to ketones and intermediates therefor". . . Retrieved 2008/06/13.