| Titration of Nonstabilized Diazoalkane Solutions by Fluorine NMR. | |
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MedLine Citation:
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PMID: 22239678 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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A new protocol for titrating nonstabilized diazoalkane solutions by quantitative (19)F NMR is reported. An excess of 2-fluorobenzoic acid dissolved in CDCl(3) is treated with the diazoalkane solution at a low temperature, immediately forming the corresponding 2-fluorobenzoate ester upon warming. A significant difference in the (19)F chemical shift between the ester and acid is seen, allowing facile and accurate integration to determine titer. The procedure is safe, rapid, and indicates the active diazoalkane concentration with high precision. |
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Authors:
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Victor L Rendina; Jason S Kingsbury |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-1-11 |
Journal Detail:
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Title: The Journal of organic chemistry Volume: - ISSN: 1520-6904 ISO Abbreviation: - Publication Date: 2012 Jan |
Date Detail:
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Created Date: 2012-1-13 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 2985193R Medline TA: J Org Chem Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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Department of Chemistry, Eugene F. Merkert Chemistry Center, Boston College , Chestnut Hill, Massachusetts 02467, United States. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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