Conclusions
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1.
A direct one-step method was developed for the synthesis of cationic cobalt cyclo-pentadienylallylcarbonyl complexes, which consists in the reaction of cyclopentadienylcobalt dicarbonyl with either allyl alcohol or a diene in the presence of HBF4.
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2.
It was found that increasing the acidity of the medium leads to an acceleration of the reaction and an increase in the yield of the cationic cobalt cyclopentadienylallylcarbonyl complexes.
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Literature cited
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 5, pp. 1178–1180, May, 1984.
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Krivykh, V.V., Gusev, O.V. & Rybinskaya, M.I. Synthesis of cationic cobaltcyclopentadienylallylcarbonyl complexes. Russ Chem Bull 33, 1081–1083 (1984). https://doi.org/10.1007/BF01141734
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DOI: https://doi.org/10.1007/BF01141734