Consequences of the formation of 3,4-dimethyl-5-phenyl-1,3-oxazolidine on the analysis of ephedrines in urine by gas chromatography and a new method for confirmation as N-trifluoroacetyl-O-t-butyldimethylsilyl ether derivatives

Journal of Chromatography A

Volumn 1218, Issue 9, 2011, Pages 1266-1272

  Sardela, V F ^a   Sardela, P D O ^a   Pereira, H M G ^a   Aquino Neto, F R ^a  

^a FEDERAL UNIVERSITY OF RIO DE JANEIRO   (Brazil)

Author keywords

Artifact; Doping; Ephedrine; Gas chromatography; MTBSTFA; Pseudoephedrine

Indexed keywords

ARTIFACT; DOPING; EPHEDRINE; MTBSTFA; PSEUDOEPHEDRINE;

CHROMATOGRAPHIC ANALYSIS; ETHERS; MASS SPECTROMETRY;

GAS CHROMATOGRAPHY;

3,4 DIMETHYL 5 PHENYL 1,3 OXAZOLIDINE; DIPHENYLAMINE; EPHEDRINE; METHYLEPHEDRINE; N TRIFLUOROACETYL O TERT BUTYLDIMETHYLSILYL ETHER DERIVATIVE; NOREPHEDRINE; NORPSEUDOEPHEDRINE; OXAZOLIDINE DERIVATIVE; PSEUDOEPHEDRINE; SILANE DERIVATIVE; UNCLASSIFIED DRUG;

ANALYTICAL ERROR; ARTICLE; ARTIFACT; DRUG STRUCTURE; FALSE NEGATIVE RESULT; FALSE POSITIVE RESULT; GAS CHROMATOGRAPHY; MASS SPECTROMETRY; PRIORITY JOURNAL; QUANTITATIVE ANALYSIS; SEPARATION TECHNIQUE; URINALYSIS;

ARTIFACTS; CHROMATOGRAPHY, GAS; EPHEDRINE; ETHERS; LINEAR MODELS; OXAZOLES; SILANES; TRIFLUOROACETIC ACID;

EID: 79551575613     PISSN: 00219673     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.chroma.2010.12.120     Document Type: Article

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