Conclusions
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1.
The stability constants were determined for the complexes of 17-membered phosphorus-containing crown ethers in the series of Li, Na, K, Ca, and Mg picrates in methylene chloride and the size of the macrocyclic ring was found to have a significant effect on the complexing capacity of phosphorus polyethers.
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2.
An x-ray diffraction structural analysis showed that the replacement of an adamantyl group by a phenyl substituent did not lead to a rearrangement of the macrocycle such that the phosphoryl oxygen atom could participate in coordination simultaneously with the anisole and ether oxygen atoms.
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For communication 7, see ref. [1].
Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 12, pp. 2745–2750, December, 1987.
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Tkachev, V.V., Chaikovskaya, A.A., Atovmyan, L.O. et al. Phosphorus crowns. Communication 8. The molecular structure and complexation properties of phenylphosphonyldibenzo-17-crown-6. Russ Chem Bull 36, 2544–2548 (1987). https://doi.org/10.1007/BF00957230
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DOI: https://doi.org/10.1007/BF00957230