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  • 1,2,4-Triazines / Dienophiles, side-chain / [4+21 Cycloaddition / Pyrido[2,3-e-l,4-diazepines / Pyrido[2,3-b]-1,5-diazocines  (1)
  • 3,5-Dihydroxytropone  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Synthesis of 3,5-dihydroxytropone (1989)
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 122 (1989), S. 2183-2185 
    Details
    ISSN: 0009-2940
    Keywords: [4 + 2] Cycloaddition ; 3,5-Dihydroxytropone ; Singlet oxygen ; Y aromaticity ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Synthese von 3,5-DihydroxytroponWir beschreiben eine vierstufige Synthese des bisher unbekannten 3,5-Dihydroxytropons (6), die von Tropon ausgeht und eine [4 + 2]-Cycloaddition mit Singulett-Sauerstoff einschließt.
    Notes: Starting from tropone, the hitherto unknown 3,5-dihydroxytropone (6) is prepared in a four-step synthesis including a [4 + 2] cycloaddition reaction of singlet oxygen.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/cber.19891221120
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Synthese von Sieben- und Achtring-anellierten Pyridinen durch “inverse” intramolekulare Diels-Alder-Reaktion mit Trifluormethyl-substituierten 1,2,4-Triazinen (1990)
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 123 (1990), S. 133-136 
    Details
    ISSN: 0009-2940
    Keywords: 1,2,4-Triazines / Dienophiles, side-chain / [4+21 Cycloaddition / Pyrido[2,3-e-l,4-diazepines / Pyrido[2,3-b]-1,5-diazocines ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Synthesis of Seven- and Eight-Membered Ring-Annulated Pyridines by “Inverse” Intramolecular Diels-Alder Reaction with Trifluoromethyl-Substituted 1,2,4-TriazinesIntramolecular [4 + 2] cycloaddition reactions with inverse electron demand of trifluoromethyl-substituted 1,2,4-triazines carrying 7- or 8-membered o-alkyne side-chain dienophiles (3,8,12) lead to the synthesis of bicyclic pyridines with annulated heterocyclic seven- (5, 9, 13-15) or eight-membered rings (19, 22, 23, 26).
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/cber.19901230125
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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