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  • 1-vinylpyrroles  (1)
  • Polymer and Materials Science  (1)
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  • 1
    Electronic Resource
    Electronic Resource
    Dimerization of 1-vinyl-4,5,6,7-tetrahydroindole in the presence of acids (1996)
    Springer
    Russian chemical bulletin 45 (1996), S. 407-409 
    Details
    ISSN: 1573-9171
    Keywords: 1-vinylpyrroles ; Brönsted and Lewis acids ; reactions of the pyrrole ring
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract In the presence of Bronsted and Lewis acids, I-vinyl-4,5,6,7-tetrahydroindole is transformed into its dimes, 1-vinyl-2-[1-(4,5,6,7-tetrahydroindolyl)ethyl]-4,5,6,7-tetrahydroindole, and polymers containing units of the dimer and segments of oxidized tetrahydroindole cycles.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01433982
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Polymerization of N-vinylpyrrols (1980)
    New York : Wiley-Blackwell
    Journal of Polymer Science: Polymer Chemistry Edition 18 (1980), S. 1547-1550 
    Details
    ISSN: 0360-6376
    Keywords: Physics ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: The free polymerization of 2-methyl-1-vinylpyrrol (I), 2,3-dimethyl-1-vinylpyrrol (II), 1-vinyl-4,5,6,7-tetrahydroindol (III), 1-vinyl-2-phenylpyrrol (IV), and 1-vinyl-2-phenyl-5-trifluoroacetyl pyrrol (V) in the presence of azobisisobutyronitrile as an initiator at 60-80°C has been studied. The polymer yield (up to 90%) and molecular weight in the range 2000-13,000 are strongly dependent on the monomer structure and the polymerization conditions. The reactivity of N-vinylpyrrols studied falls in the order: I 〉 III 〉 II 〉 V 〉 IV implying an important role of the initial radical stabilization with the participation of the ring substituents as well as the steric hindrances in the propagation stage.
    Additional Material: 2 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/pol.1980.170180511
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    Paper (German National Licenses)
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