Conclusion
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1.
In 3,6-di-tert-butyl-2-hydroxytrichlorostannylphenoxyl, the SnCl3 group experiences hindered rotation the energy barrier of which shows a bond of the tin atom with both oxygen atoms of the free-radical ligand.
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2.
A transformation of the pentacoordination structure of the complex (I) into an octahedral structure on the coordination of electron-donating molecules with the tin atom has been detected.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 6, pp, 1275–1282, 1982.
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Prokof'ev, A.I., Kasymbekova, Z.K., Budnov, N.N. et al. Stereochemical features of the paramagnetic complex formed by the reaction of 3,6-di-tert-butyl-o-benzoquinone with tetrachlorostannane. Russ Chem Bull 31, 1136–1142 (1982). https://doi.org/10.1007/BF00955964
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DOI: https://doi.org/10.1007/BF00955964