Abstract
Reduction of 4-oxo-1,3-benzoxazinium perchlorates with sodium borohydride depending on the structure of starting salt and the reaction conditions leads to different products. 2-Alkyl- and 2-phenylsubstituted salts react with sodium borohydride to give 2,3-dihydro-4-oxo-1,3-benzoxazines. 2-Arylvinyl- and 2-heterylvinyl-substituted perchlorates either form 4-oxo-1,3-benzoxazines or undergo hydrogenation to arylor heterylethyldihydrobenzoxazinones.
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Original Russian Text © N.I. Vikrishchuk, Yu.I. Ryabukhin, A.D. Vikrishchuk, 2009, published in Zhurnal Obshchei Khimii, 2009, Vol. 79, No. 7, pp. 1152–1155.
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Vikrishchuk, N.I., Ryabukhin, Y.I. & Vikrishchuk, A.D. Reactions of 4-oxo-1,3-benzoxazinium perchlorates with sodium borohydride. Russ J Gen Chem 79, 1509–1512 (2009). https://doi.org/10.1134/S1070363209070184
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DOI: https://doi.org/10.1134/S1070363209070184