Preparation and Characterization of Tetrabenazine Enantiomers against Vesicular Monoamine Transporter 2.

Preparation and Characterization of Tetrabenazine Enantiomers against Vesicular Monoamine Transporter 2.
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DOI:
10.1021/ml1000189
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发表时间:
2010-03-31
影响因子:
4.2
通讯作者:
Greig, Nigel H.
Greig, Nigel H.
中科院分区:
医学3区
文献类型:
--
作者:
Yu, Qian-sheng;Luo, Weiming;Deschamps, Jeffery;Holloway, Harold W.;Kopajtic, Theresa;Katz, Jonathan L.;Brossi, Arnold;Greig, Nigel H.

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As a clinical medication for the treatment of hyperkinetic movement disorders, in conditions such as Huntington’s disease, tetrabenazine (TBZ) has been always used in its racemic form. To establish whether or not its beneficial therapeutic actions are enantiospecific, a practical total synthetic route was developed to yield each enantiomeric form to allow their chemical and pharmacological characterization. We briefly summarize the total synthesis of TBZ and report a detailed procedure for resolution of TBZ into its enantiomers, (+)-TBZ and (−)-TBZ. This allowed determination of the optical rotation and absolute configurations of each TBZ enantiomer, based on X-ray crystallographic analysis, together with characterization of their inhibitory action at the vesicular monoamine transporter 2, where (+)-TBZ proved three-fold more active than (−)-TBZ.
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期刊: AAPS JOURNAL
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