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Fitzgerald RL, Blanke RV, Glennon RA, Yousif MY, Rosecrans JA, Poklis A. 
“Determination of 3,4-methylenedioxyamphetamine and 3,4-methylenedioxymethamphetamine enantiomers in whole blood”. 
J Chromatogr. 1989;490(1):59-69.
A method for the determination of the enantiomeric content of 3,4-methylenedioxyamphetamine (MDA) and 3,4-methylenedioxymethamphetamine (MDMA) in microsamples (200 microliters) of whole blood is described. The method involves liquid-liquid extraction of MDA and MDMA from blood and derivatization with the chiral reagent N-trifluoroacetyl-L-prolyl chloride. Separation, identification and quantitation of diastereomeric derivatives is by gas chromatography-mass spectrometry. The analytical range of the assay is from 0.12 ng to 48 ng injected on-column. Details for the synthesis of the enantiomers of MDMA are also provided.
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