The Ferrocenyldiphenylpropargyl Cation − A Spectroscopic Comparison Among Stabilizing Substituents and Nucleophilic Additions

The stable ferrocenyldiphenylpropargyl cation (3) is readily and quantitatively generated from the propargylic alcohol 2 with a slight excess of tetrafluoroboric acid in dichloromethane at −78 °C. The cationic species 3 was characterized by 1H‐ and 13C‐NMR spectroscopy; nucleophilic trapping reactio...

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Published inEuropean journal of inorganic chemistry Vol. 2000; no. 9; pp. 2003 - 2009
Main Authors Ansorge, Markus, Polborn, Kurt, Müller, Thomas J. J.
Format Journal Article
LanguageEnglish
Published Weinheim WILEY-VCH Verlag GmbH 01.09.2000
WILEY‐VCH Verlag GmbH
Wiley
Subjects
Allenes
Cations
Chemistry
Chemistry, Inorganic & Nuclear
Ferrocene
NMR spectroscopy
Physical Sciences
Pi interactions
Science & Technology
cations
CARBOCATIONS
ACETYLENE
BEHAVIOR
COMPLEXES
NEOCARZINOSTATIN
Pi interactions
allenes
BENZYL
CHEMISTRY
NMR spectroscopy
ferrocene
PROPARGYL CATIONS
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Summary:The stable ferrocenyldiphenylpropargyl cation (3) is readily and quantitatively generated from the propargylic alcohol 2 with a slight excess of tetrafluoroboric acid in dichloromethane at −78 °C. The cationic species 3 was characterized by 1H‐ and 13C‐NMR spectroscopy; nucleophilic trapping reactions gave rise to the formation of ferrocenyldiphenylallenes 9.
Bibliography:istex:49F66566810435E9F05A650EDD621EFFCB9E57E4
ArticleID:EJIC2003
ark:/67375/WNG-T3MT2LWS-K
ISSN:1434-1948
1099-0682
DOI:10.1002/1099-0682(200009)2000:9<2003::AID-EJIC2003>3.0.CO;2-Q