Conclusions
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1.
The corresponding boric esters of nitronic acids are formed when boron halides are reacted with the trialkylsilyl esters of nitronic acids under mild conditions.
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2.
The trialkylsuyl esters of nitronic acids are formed by the reaction of the diethylboric esters of nitronic acids with trialkylsilylamines under mild conditions.
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3.
The boron derivatives of dimethyl nitromalonate (R=H, F or Et in R2B) have the structure of the esters of bis-carbomethoxymethanenitronic acid, in which the boron atom is coordinated with the oxygen group of MeO2C.
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4.
The diethylboric ester of 2-methyl-2-carbomethoxy-1-propanenitronic acid is a dimer, in which the boron atom is coordinated at the oxygen of N→O.
Literature cited
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 4, pp. 942–945, April, 1978.
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Ioffe, S.L., Kalinin, A.V., Golovina, T.N. et al. Replacement of heteroorganic fragment in heteroorganic derivatives of aliphatic nitro compounds. Russ Chem Bull 27, 816–819 (1978). https://doi.org/10.1007/BF00925318
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DOI: https://doi.org/10.1007/BF00925318