| Synthesis and structural aspects of N-triflylphosphoramides and their calcium salts--highly acidic and effective Brønsted acids. | |
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MedLine Citation:
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PMID: 20922721 Owner: NLM Status: In-Process |
Abstract/OtherAbstract:
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Recently, 1,1'-bi-2-naphthol (BINOL)-based N-triflylphosphoramides emerged as a new class of potent Brønsted acid catalysts. In this paper we describe the efficient synthesis of various BINOL-based N-triflylphosphoramides and their calcium salts. Furthermore, X-ray crystal structure analysis combined with energy-dispersive X-ray spectroscopy (EDX) measurements confirmed that the synthesised chiral N-triflylphosphoramides are highly acidic metal-free catalysts. |
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Authors:
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Magnus Rueping; Boris J Nachtsheim; René M Koenigs; Winai Ieawsuwan |
Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Chemistry (Weinheim an der Bergstrasse, Germany) Volume: 16 ISSN: 1521-3765 ISO Abbreviation: Chemistry Publication Date: 2010 Nov |
Date Detail:
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Created Date: 2010-11-16 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9513783 Medline TA: Chemistry Country: Germany |
Other Details:
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Languages: eng Pagination: 13116-26 Citation Subset: - |
Affiliation:
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RWTH Aachen University, Institute of Organic Chemistry, Landoltweg 1, 52074 Aachen, Germany. magnus.rueping@rwth-aachen.de |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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