| Mannopyranosyl Uronic Acid Donor Reactivity. | |
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MedLine Citation:
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PMID: 21776974 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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The reactivity of a variety of mannopyranosyl uronic acid donors was assessed in a set of competition experiments, in which two (S)-tolyl mannosyl donors were made to compete for a limited amount of promoter (NIS/TfOH). These experiments revealed that the reactivity of mannuronic acid donors is significantly higher than expected based on the electron-withdrawing capacity of the C-5 carboxylic acid ester function. A 4-O-acetyl-β-(S)-tolyl mannuronic acid donor was found to have similar reactivity as per-O-benzyl-α-(S)-tolyl mannose. |
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Authors:
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Marthe T C Walvoort; Wilbert de Witte; Jesse van Dijk; Jasper Dinkelaar; Gerrit Lodder; Herman S Overkleeft; Jeroen D C Codée; Gijsbert A van der Marel |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-7-21 |
Journal Detail:
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Title: Organic letters Volume: - ISSN: 1523-7052 ISO Abbreviation: - Publication Date: 2011 Jul |
Date Detail:
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Created Date: 2011-7-22 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 100890393 Medline TA: Org Lett Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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Leiden Institute of Chemistry, Leiden University , P.O. Box 9502, 2300 RA Leiden, The Netherlands. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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