| Microwave assisted preparation of C(1)-C(11) oxygen-bridged pregnanes. | |
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MedLine Citation:
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PMID: 21846475 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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1,11-Epoxysteroids may be obtained by an intramolecular remote functionalization using Suarez reagent (diacetoxyiodobenzene/I(2)) and irradiation with visible light. We have found that photolysis with visible light may be advantageously replaced by microwave irradiation to prepare 1,11-oxygen bridges resulting in higher yields and shorter reaction times especially in the case of sensitive substrates. Both methodologies were compared on a set of representative 11-α-hydroxypregnanes (3, 8, 10 and 11). |
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Authors:
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Lautaro D Alvarez; Juan M Sonego; Adriana S Veleiro; Gerardo Burton |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-8-9 |
Journal Detail:
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Title: Steroids Volume: - ISSN: 1878-5867 ISO Abbreviation: - Publication Date: 2011 Aug |
Date Detail:
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Created Date: 2011-8-17 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0404536 Medline TA: Steroids Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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Copyright © 2011. Published by Elsevier Inc. |
Affiliation:
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Departamento de Química Orgánica and UMYMFOR (CONICET-UBA), Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Pabellón 2, Ciudad Universitaria, C1428EGA Ciudad de Buenos Aires, Argentina. |
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