蔓生百部碱Stemonamine的全合成
北京中科医院是怎么样 http://baidianfeng.39.net/a_zczz/150607/4635657.html Stemonamine(3),isolatedfromtheChinesemedicinalshrubStemonasessilifolia,showssignificantantitussiveactivity.MitsuruShindoofKyushuUniversityenvisionedthatthecyclopentenoneof3couldbeinstalledbythecyclizationof1to2(Chem.Eur.J.,24,.DOI:10./chem.). Fortheassemblyof1,theauthors |
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