Conclusions
The ring-opening reaction of 1-heteryl-2,2,3,3-tetracyanocyclobutanes in acids and alcohols is accomplished by two competitive parallel processes: the carboxylation or the alkoxylation and dehydrocyanation of the intermediate zwitterion.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 4, pp. 839–842, April, 1988.
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Kurov, G.N., Svyatkina, L.I., Pal'chuk, E.G. et al. Interaction of 1-heteryl-2,2,3,3-tetracyancocyclobutanes with acids and alcohols. Russ Chem Bull 37, 719–721 (1988). https://doi.org/10.1007/BF01455485
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DOI: https://doi.org/10.1007/BF01455485