1984
DOI: 10.1021/jo00185a001
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An exceptionally simple and efficient method for the preparation of a wide variety of fulvenes

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Cited by 326 publications
(254 citation statements)
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“…[10] So wurde tert-Butylcyclopentadien (5 e) mit Aceton in Gegenwart von Pyrrolidin [11] zum 3-tert-Butyl-substituierten 6,6-Dimethylpentafulven (6 e) umgesetzt (Schema 3). Die nachfolgende Deprotonierung mit Lithiumdiisopropylamid (LDA) in Diethylether lieferte 7 e in 78 % Ausbeute an isoliertem Pro- …”
unclassified
“…[10] So wurde tert-Butylcyclopentadien (5 e) mit Aceton in Gegenwart von Pyrrolidin [11] zum 3-tert-Butyl-substituierten 6,6-Dimethylpentafulven (6 e) umgesetzt (Schema 3). Die nachfolgende Deprotonierung mit Lithiumdiisopropylamid (LDA) in Diethylether lieferte 7 e in 78 % Ausbeute an isoliertem Pro- …”
unclassified
“…The starting point in this protocol was endo-2-acetylbicyclo[2.2.1]hept-5-ene (6) [7] which was transcarbons containing the tricyclo[3.3.0.0 3,7 ]octane (stellane) skeleton [1] in the past years. These investigations were formed to 2-methyl-3-oxatetracyclo[4.2.1.0 2,5 .0 4,8 ]nonane (7) by an intramolecular Paterno-Büchi reaction (Scheme undertaken for several reasons: Calculations suggested a strong interaction between two exo double bonds in 2,6-1). Treatment of 7 with a strong base allowed the abstraction of a proton from the CH 3 group and opened the oxetand 2,4-stelladienes (1, 2) which could be verified by means of PE spectroscopy [2] .…”
mentioning
confidence: 99%
“…The starting point was 2-formyl-7-isopropylidenebicyclo[2.2.1]hept-5-ene (12) which was obtained by DielsϪAlder reaction between 6,6-dimethylfulvene (10) [8] and acrolein (11) (Scheme 2 (14). The syntheses of 3 and 4 were based on work reported by Sauers et al [5] , Nakazaki and Naemura et al [6] [7] .…”
mentioning
confidence: 99%
“…All common chemicals and solvents were purchased from commercial suppliers and purified as described elsewhere [21]. 6,6-Dimethylfulvene [22] . Elemental analyses and mass spectra were performed Scheme 3. by the University of Alcalá Microanalytical Laboratories (UCSA) on a Heraeus CHN-O-Rapid mycroanalyzer and a Hewlet-Packard 5890 mass spectrometer, respectively.…”
Section: General Methodsmentioning
confidence: 99%