首页> 外文期刊>Journal of Labelled Compounds and Radiopharmaceuticals >Synthesis of [3α-3H] 17α-Hydroxy pregnenolone and [3α-3H] Pregnenolone
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Synthesis of [3α-3H] 17α-Hydroxy pregnenolone and [3α-3H] Pregnenolone

机译:[3α-3H]17α-羟基孕烯醇酮的合成

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摘要

For the first time, [3α-3H] 17α-hydroxy pregnenolone (1) was synthesized through a multiple step sequence. The presence of [3β-3H] isomer in RP-HPLC purified product was identified by tritium NMR. The [3β-3H] isomer was then separated from [3α-3H] 17α-hydroxy pregnenolone with chiralPAK AD-H column. [3α-3H] pregnenolone (2) was synthesized from commercial available 5-pregnen-3,20-dione in one step with an improved procedure.
机译:首次通过多步合成[3α-3H]17α-羟基孕烯醇酮(1)。通过tri NMR鉴定RP-HPLC纯化产物中[3β-3H]异构体的存在。然后用chiralPAK AD-H柱从[3α-3H]17α-羟基孕烯醇酮中分离[3β-3H]异构体。 [3α-3H]孕烯醇酮(2)是由市售的5-pregnen-3,20-dione一步改进合成的。

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