Synthesis of gamma- and delta-lactones from 1alpha-hydroxy-5,6-trans-vitamin D3 by ring-closing metathesis route and their reduction with metal hydrides |
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| Authors: | Wojtkielewicz Agnieszka Morzycki Jacek W |
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| Affiliation: | Institute of Chemistry, University of Bialystok, Al. Pilsudskiego 11/4, 15-443 Bialystok, Poland. |
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| Abstract: | New synthetic pathway towards 19-functionalized derivatives of 1alpha-hydroxy-5,6-trans-vitamin D3 was described. Ring-closing metathesis (RCM) of 1alpha-hydroxy-5,6-trans-vitamin D3 1-omega-alkenoates was a key-step. Hydride reduction of resulting lactones led to the new vitamin D3 analogues. |
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