Conclusions
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1.
It was shown by the UV spectroscopy method that the active initiators of the Liquid-phase carbonylation of amines with CO are oxidizing agents that form charge-transfer complexes with the amines.
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2.
The carbonylation of piperidine with CO in the presence of I2 or KMnO4 is inhibited by excess initiator The addition of a second initiator to the reaction system retards the carbonylation due to a decrease in the rate of forming the complex of the first initiator with the amine.
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B. K. Nefedov, V. A. Petukhov, and Ya. T. Éidus, Izv. Akad. Nauk SSSR, Ser. Khim., 2535 (1974).
J. Tsuji, J. Synth. Org. Chem. Japan,25, 984 (1967).
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Deceased.
Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 7, pp. 1541–1545, July, 1976.
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Nefedov, B.K., Petukhov, V.A., Sergeeva, N.S. et al. Carbonylation reactions. Russ Chem Bull 25, 1466–1469 (1976). https://doi.org/10.1007/BF00920820
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DOI: https://doi.org/10.1007/BF00920820