Metabolism of 2,4-dichlorophenoxyacetic acid. 8. Gas liquid chromatography of trimethylsilyl derivatives of amino acid conjugates

1976 ◽  
Vol 24 (3) ◽  
pp. 574-580 ◽  
Author(s):  
Masood Arjmand ◽  
Ralph O. Mumma
Keyword(s):  
Liquid Chromatography ◽  
Amino Acid ◽  
Dichlorophenoxyacetic Acid ◽  
Gas Liquid Chromatography ◽  
Amino Acid Conjugates ◽  
Trimethylsilyl Derivatives ◽  
2,4 Dichlorophenoxyacetic Acid ◽  
Derivatives Of

The Effect of Stereoisomeric Structure on Retention Time in Gas Liquid Chromatography of Per-O-trimethylsilyl Derivatives of Pentoses and Hexoses

1971 ◽  
Vol 26 (1) ◽  
pp. 24-25 ◽  
Author(s):  
Th. Gheorghiu ◽  
K. Oette
Keyword(s):  
Liquid Chromatography ◽  
Retention Time ◽  
Conformational Stability ◽  
Gas Liquid Chromatography ◽  
Oh Groups ◽  
Ring Form ◽  
Anomeric Carbon ◽  
Trimethylsilyl Derivatives ◽  
Derivatives Of

The analysis of relationships between structure and retention time in gas liquid chromatography of pentoses and hexoses leads to the formulation of following rule: the per-O-trimethylsilyl derivatives of aldoses stereoisomers with conformational stability, identical ring form and the same number of substituted OH groups are longer retained on polar columns when the equatorial substituents are more numerous and are located nearer to the anomeric carbon.

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