Conclusions
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1.
The hydroboration of bicyclo[3.3.1]nona-2,6-diene (I) by diborane, diborane in the presence of methyl borate, or tetraethyldiborane results in the formation of polymeric compounds with the general formula (C9H14BR)x, containing bicyclic fragments of three types, their relative amounts being dependent on the nature of the hydroborating agent.
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2.
Pyrolysis of the hydroboration products of bicyclo[3.3.1]nona-2,6-diene yields derivatives of 2-boraadamantane.
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3.
The treatment of the hydroboration products with methyl borate results in the formation of di(dimethoxyboryl)bicyclo[3.3.1]nonane, which, in turn, can undergo cyclization to form 2-methoxy-2-boraadamantane upon heating.
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4.
The exchange reaction of 2-methoxy-2-boraadamantane with diborane has been used to synthesize the dimer of 2-boraadamantane.
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For communications 323–326 see [1].
Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 4, pp. 894–901, April, 1977.
We thank A. S. Shashkova for her help in recording and interpreting the NMR spectra.
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Mikhailov, B.M., Shchegoleva, T.A., Shashkova, E.M. et al. Bororganic compounds. Russ Chem Bull 26, 818–824 (1977). https://doi.org/10.1007/BF01108207
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DOI: https://doi.org/10.1007/BF01108207