Conclusions
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1.
When 6-nitro-2,9-dioxa-1-azabicyclo[4.3.0]nonane derivatives are treated with NaCN in either DMF or ethanol the nitro group is replaced by the cyano group, in which connection a mixture of two steric isomers is formed.
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2.
The replacement reaction proceeds via the step of prior ionization of the nitro group and subsequent attack of the intermediately formed immonium cation by the nucleophile.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 6, pp. 1365–1367, June, 1975.
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Chlenov, I.E., Petrova, I.M., Shitkin, V.M. et al. Replacement of nitro group by cyano group in 6-nitro-2,9-dioxa-1-azabicyclo[4.3.0]nonane series. Russ Chem Bull 24, 1258–1261 (1975). https://doi.org/10.1007/BF00922058
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DOI: https://doi.org/10.1007/BF00922058