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Abnormal Beckmann fragmentation/ring closing metathesis route for preparation of 18-nor-Δ(13(17))-androgens and their 18-nor-13,17-epoxide derivatives
The synthesis of Δ(13,(17))-androgens and the structurally related 13,17-epoxides is described. The synthetic route involves cleavage of 17-ketosteroids by an abnormal Beckmann rearrangement, modification of the D-ring cleavage product to obtained an intermediate tricyclic diene and ring closing met...
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| Main Authors: | , , |
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| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado em: |
2006
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| Assuntos: | |
| Acesso em linha: | https://ncbi.nlm.nih.gov/pmc/articles/PMC1852443/ https://ncbi.nlm.nih.gov/pubmed/17440602 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1016/j.tetlet.2006.09.027 |
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