Conclusions
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1.
The complexes of Pd(acac)2 and Pd(OAc)2 with triphenylphosphine catalyze the telomerization of isoprene with water in the presence of CO2, which leads to the formation of isomeric dimethyloctadienols.
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2.
The complexes of Pd(acac)2 and Pd(OAc)2 with tricresyl phosphite catalyze the formation of the isomeric dimethyloctadienol acetates from isoprene and CH3COOH.
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3.
In acetone the complexes of Pd(acac)2, Pd(OAc)2 with triphenylphosphine smoothly and almost completely dimerize isoprene to 2,7-dimethyl-1,3,7-octatriene.
Literature cited
K. E. Atkins, W. E. Walker, and R. M. Manyik, Chem. Commun., 330 (1971).
K. Suga, S. Watanable, and K. Hijikata, Austral. J. Chem.,24, 197 (1971).
A. D. Josey, J. Org. Chem.,39, 139 (1974).
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 7, pp. 1616–1617, July, 1976.
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Zakharkin, L.I., Babich, S.A. & Pisareva, I.V. Telomerization of isoprene with water and acetic acid under the influence of complex palladium catalysts. Russ Chem Bull 25, 1531–1533 (1976). https://doi.org/10.1007/BF00920834
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DOI: https://doi.org/10.1007/BF00920834