Conclusions
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1.
For Ni(II) and Co(II) chelates of (2-mercapto-5-ethyl-3-thenylidene)-α-aminopyridine, a pseudotetrahedral coordination is most probable.
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2.
The interaction of the Co(II) chelate of (2-mercapto-5-ethyl-3-thenylidene)-α-aminopyridine with CH3I is accompanied by an increase in the coordination number of Co(II) to six.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 7, pp. 1517–1520, July, 1973.
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Bogdanova, L.G., Zelentsov, V.V., Kalik, M.A. et al. Synthesis and certain conversions of sulfides of the thiophene series Communication 26. Magnetic susceptibility and absorption spectra of chelates of Co(II) and Ni(II) with certain derivatives of thiophene. Russ Chem Bull 22, 1472–1474 (1973). https://doi.org/10.1007/BF00930040
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DOI: https://doi.org/10.1007/BF00930040