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  • X-ray structural analysis  (1)
  • tricyclohexane  (1)
  • 1
    Digitale Medien
    Digitale Medien
    Synthesis of biologically active compounds based on 2-ferrocenylmethylene-3-quinuclidone (1996)
    Springer
    Russian chemical bulletin 45 (1996), S. 2602-2609 
    Details
    ISSN: 1573-9171
    Schlagwort(e): ferrocene ; quinuclidine ; pyrazoline ; pyrimidine ; ferrocenyl-1,3-dime ; [4+2]cycloaddition ; carbocations ; alkylation ; dimerization ; X-ray structural analysis
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Chemie und Pharmazie
    Notizen: Abstract Biologically active nitrogen heterocycles (1–7) containing ferrocene and quinuclidine fragments were synthesized. 3-Methylene-2-ferrocenylmethylenequinuiclidine forms adducts withN-phenylimides of azodicarboxylic (the structure was established by X-ray structural analysis) and malefic acids. 3-Methylene-2-fer-rocenylmethylenequinticlidine also undergoes [4+2]-cyclodimerization when heated and adds salts of the 3-methyl-2-ferrocenylmethyleneI-azoniabicyclo[2.2.2]oct-3-yl cation at the terminal methylene group to form a linear addition product.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01431126
    Standort Signatur Erwartet Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    Photochemical transformations of 3-alkyl-3-ferrocenylcyclopropenes (2000)
    Springer
    Russian chemical bulletin 49 (2000), S. 2059-2064 
    Details
    ISSN: 1573-9171
    Schlagwort(e): photolysis ; ferrocenylcyclopropene ; tricyclohexane ; vinylcarbenes ; cyclobutene ; X-ray diffraction analysis
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Chemie und Pharmazie
    Notizen: Abstract Photolysis of 3-ferrocenyl-3-methyl- and 3-ferrocenyl-3-isopropylcyclopropenes was studied. Sensitized irradiation (triplet excitation) afforded [2+2]-cycloaddition products, viz., tricyclohexane derivatives. Direct irradiation (singlet excitation) of methyl-substituted ferrocenylcyclopropene gave rise to 2-ferrocenylbut-1-en-3-yne and trans-2-ferrocenylbut-2-ene. The isopropyl analog was converted into 1-ferrocenyl-4,4-dimethylcyclobutene. The reaction of this cyclopropene with 2-ferrocenyl-3-methylbut-1-ene afforded 1,3-diferrocenyl-3-isopropyl-6,6-dimethylcyclohexene. The latter compound and 3,6-diferrocenyl-3,6-diisopropyltricyclo[3.1.0.02,4]hexane were studied by X-ray diffraction analysis. Possible reaction pathways are discussed.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1023/A:1009588312440
    Standort Signatur Erwartet Verfügbarkeit
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