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Synthesis and application of steroidal 22,16β-carbolactones: A review.
The Journal of Steroid Biochemistry and Molecular Biology ( IF 2.7 ) Pub Date : 2020-01-14 , DOI: 10.1016/j.jsbmb.2020.105592
Izabella Jastrzebska 1
Affiliation  

In the plant kingdom, steroidal lactones occur as glycosides, compounds consisting of a sugar moiety linked to a steroid aglycone. Steroidal lactones consist of five fused rings, with a total of 22 carbon atoms. Numerous methods for the preparation of steroidal lactones take advantage of the fact that steroid spirostanes may be degraded from six- to a five-rings structure. One of the most striking features common to reactions of steroid sapogenins is the C22-lactone formation. In the review, different methods for the preparation of steroidal lactones are presented with consideration of the structure of starting material. In addition, examples of lactones used in the synthesis of biologically active compounds and their analogues are described.

中文翻译:

甾体22,16β-碳内酯的合成与应用研究进展。

在植物界,类固醇内酯以糖苷形式存在,是由与类固醇糖苷配基连接的糖部分组成的化合物。甾类内酯由五个稠环组成,共有22个碳原子。制备类固醇内酯的多种方法利用了以下事实:类固醇螺环烷烃可从六环结构降解为五环结构。类固醇皂甙元反应的最显着特征之一是C22-内酯的形成。在审查中,考虑到原料的结构,提出了制备甾体内酯的不同方法。另外,描述了用于生物活性化合物及其类似物的合成的内酯的实例。
更新日期:2020-01-15
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