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Formation of 1,1,4,4-tetramethoxy-2,3,5,6-tetrahydroximinocyclohexane by the interaction of trinitrosophloroglucinol with hydroxylamine hydrochloride in methanol

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Chemistry of Heterocyclic Compounds Aims and scope

Abstract

1,1,4,4-Tetramethoxy-2,3,5,6-tetrahydroximinocyclohexane was obtained by the treatment of trinitrosoploroglucinol with hydroxylamine hydrochloride in methanol. Oxidation of the product with an alkaline solution of potassium hexacyanoferrrate(III) gave a mixture of the isomers 4,4,8,8-tetramethoxy-4H, 8H-benzo[1,2-c:4,5-c']bis[1.2.5]oxadiazole-1,7-dioxide.and 4,4,8,8-tetramethoxy-4H, 8H-benzo[1,2-c:4,5-c']bis-[1.2.5]oxadiazole-1,7-dioxide. Removal of the N-oxide groups from these compounds with triethyl phosphite followed by hydrolysis of the diketal groups gave 4,8-dioxo-4H, 8H-benzo[1,2-c:4,5-c']bis[1.2.5]-dioxazole. Reaction with malonodinitrile gave 4,8-di(dicyanomethylene)-4H, 8H-benzo[1,2-c:4,5-c']bis[1.2.5]-oxadiazole which is an analog of known electron acceptors.

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Authors
  1. V. A. Samsonov
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  2. L. V. Volodarskii
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  3. G. Kh. Khisamutdinov
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Additional information

Novosibirsk Institute of Organic Chemistry, Siberian Branch, Russian Acaemy of Sciences, Novosibirsk 630090. Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 4, pp. 549–553, April, 1997.

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Samsonov, V.A., Volodarskii, L.V. & Khisamutdinov, G.K. Formation of 1,1,4,4-tetramethoxy-2,3,5,6-tetrahydroximinocyclohexane by the interaction of trinitrosophloroglucinol with hydroxylamine hydrochloride in methanol. Chem Heterocycl Compd 33, 471–474 (1997). https://doi.org/10.1007/BF02321395

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  • DOI: https://doi.org/10.1007/BF02321395

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