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- W1993502471 abstract "A simple and rapid procedure for the preparation of [16,16-2H2]-and [16,16,17-2H3]testosterone of high isotopic purity is described. [16,16-2H2]DehydrOepiandrosterone is obtained by base-catalysed exchange; reduction of the 17-keto group using lithium aluminium hydride or lithium aluminium deuteride is followed by selective enzymic oxidation of the 3β-hydroxy function with concomitant Δ5 to Δ4 isomerisation. The incorporation of deuterium in intermediates and products is established by gas chromatographic-mass spectrometrie analyses of parent compounds and alkylsilyl derivatives. Deuterium labels in the 16 and 17 positions of testosterone are shown to be non-labile under strongly acidic and basic conditions." @default.
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- W1993502471 title "A simple, rapid procedure for the preparation of deuterium-labelled testosterone" @default.
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- W1993502471 doi "https://doi.org/10.1002/jlcr.2580170612" @default.
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