cas 601-34-3, Cholesteryl palmitate | Articles data

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Analysis of Intact Cholesteryl Esters of Furan Fatty Acids in Cod Liver
Furan fatty acids (F-acids) are a class of natural antioxidants with a furan moiety in the acyl chain. These minor fatty acids have been reported to occur with high proportions in the cholesteryl ester fraction of fish livers. Here we present a method for the direct analysis of intact cholesteryl esters with F-acids and other fatty acids in cod liver lipids. For this purpose, the cholesteryl ester fraction was isolated by solid phase extraction (SPE) and subsequently analyzed by gas chromatography with mass spectrometry (GC/MS) using a cool-on-column inlet. Pentadecanoic acid esterified with cholesterol was used as an internal standard. GC/MS spectra of F-acid cholesteryl esters featured the molecular ion along with characteristic fragment ions for both the cholesterol and the F-acid moiety. All investigated cod liver samples (n = 8) showed cholesteryl esters of F-acids and, to a lower degree, of conventional fatty acids. By means of GC/MS-SIM up to ten F-acid cholesteryl esters could be determined in the samples. The concentrations of cholesteryl esters with conventional fatty acids amounted to 78-140 mg/100 g lipids (mean 97 mg/100 g lipids), while F-acid cholesteryl esters were present at 47-270 mg/100 g lipids (mean 130 mg/100 g lipids).
Hammann, Simon,Wendlinger, Christine,Vetter, Walter
p. 611 - 620
(2015/06/08)

FeCl3·6H2O as a versatile catalyst for the esterification of steroid alcohols with fatty acids
FeCl3·6H2O is an active catalyst for the esterification of some steroid alcohols with fatty acids under azeotropic reflux in mesitylene as solvent. Georg Thieme Verlag Stuttgart.
Komura, Kenichi,Ozaki, Akiyoshi,Ieda, Noboru,Sugi, Yoshihiro
experimental part
p. 3407 - 3410
(2009/05/09)

A convenient method for the synthesis and one-pot reaction of acyl chlorides using a scavenging resin
A simple, efficient and fast method for the preparation of acyl halides from fatty carboxylic acids using a solid phase scavenging approach is presented herein. The title compounds can then be isolated, used as a solution or react in one-pot to form esters and amides with good to excellent yields.
Girard,Tranchant,Niore,Herscovici
p. 1577 - 1580
(2007/10/03)

A CONVENIENT METHOD OF ESTERIFICATION OF FATTY ACIDS. PREPARATION OF ALKYL ESTERS, STEROL ESTERS, WAX ESTERS AND TRIACYLGLYCEROLS
A quick and mild, one-pot method of esterification of fatty acids with pripary, secondary and tertiary alcohols as well as with fatty alcohols, sterols and glycerol is proposed via the acyl bromides formed in situ.
Saroja, M.,Kaimal, T. N. B.
p. 1423 - 1430
(2007/10/02)

Selective acylation of hydroxy steroids with acyl cyanides
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Havel,Velek,Pospisek,Soucek
p. 2443 - 2446
(2007/10/06)

Chemical Properties

Appearance/Colour :white shiny crystalline powder or flakes
Melting Point: 74-77 °C(lit.)
Boiling Point: 651.5 °C at 760 mmHg
Flash Point:347.8 °C
Density: 0.95 g/cm³
Solubility:Chloroform (Slightly)
Storage Temp.:−20°C
Vapor Pressure: 7.47E-17mmHg at 25°C
Refractive Index: -23.5 ° (C=2, CHCl3)
BRN: 2342867
PSA: 26.30000
LogP: 13.42090

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601-34-3

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Chemical Properties

Appearance/Colour :white shiny crystalline powder or flakes

Melting Point: 74-77 °C(lit.)

Boiling Point: 651.5 °C at 760 mmHg

Flash Point:347.8 °C

Density: 0.95 g/cm³

Solubility:Chloroform (Slightly)

Storage Temp.:−20°C

Vapor Pressure: 7.47E-17mmHg at 25°C

Refractive Index: -23.5 ° (C=2, CHCl3)

BRN: 2342867

PSA: 26.30000

LogP: 13.42090

Global suppliers and manufacturers of 601-34-3total 26 suppliers on LookChem

Article Database

601-34-3

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Chemical Properties

Appearance/Colour :white shiny crystalline powder or flakes

Melting Point: 74-77 °C(lit.)

Boiling Point: 651.5 °C at 760 mmHg

Flash Point:347.8 °C

Density: 0.95 g/cm3

Solubility:Chloroform (Slightly)

Storage Temp.:−20°C

Vapor Pressure: 7.47E-17mmHg at 25°C

Refractive Index: -23.5 ° (C=2, CHCl3)

BRN: 2342867

PSA: 26.30000

LogP: 13.42090

Global suppliers and manufacturers of 601-34-3total 26 suppliers on LookChem

Density: 0.95 g/cm³