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  • 1
    ISSN: 0075-4617
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: The Catalytic Conversion of Olefins, I If'). Synthesis of cis,trans-l.5-Cyclodecadiene and I,trans-4.9-Decatriene. Co-oligomerization of Butadiene with EthyleneButadiene and ethylene can react together in the presence of “naked nickel” or nickel ligand catalytic systems to give cis,trans-1,5-cyclodecadiene (4; in yields of up to 80%). The intermediate 1 rearranges thermally to cis-1,2-divinylcyclohexane (6). 1, trans-4.9-Decatriene (5) is formed preferentially from butadiene and ethylene at 100°. Other unsaturated systems may also be included in the co-oligomerization reaction.
    Notes: Mit Hilfe von “nacktem Nickel” bzw. von Ligand/Ni-Katalysatoren können Butadien und äthylen zum cis.trans-Cyclodecadien-(1.5) (4) zusammengelagert werden (Ausbeute bis zu 80%). 4 lagert sich thermisch in cis-1.2-Divinyl-cyclohexan (6) um. Bei 100° entsteht aus Butadien und äthylen bevorzugt Decatrien-(1.trans-4.9) (5). In die Mischoligomerisation können auch andere ungesättigte Systeme einbezogen werden.
    Additional Material: 10 Tab.
    Type of Medium: Electronic Resource
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