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- W339982131 abstract "In order to prepare specific 4-nitro-5-R-2-acetylthiophenes as intermediates for the synthesis of biologically active compounds, the authors have conducted an investigation of the nitra ion of 5-R-2-acetylthiophenes using fuming nitric acid (d = 1.5) in organic solvent media consisting of carbon tetrachloride, 1,2-dichloroethane, and acetonitrile. The nitration using fuming nitric acid at elevated temperatures leads to the formation of 3,4-bis (5-R-2-thienoyl) furoxans, rather than the expected heterocycle-nitrated derivatives. The structure of 3,4bis (2-thienoyl) furoxan was established by x-ray structural analysis." @default.
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- W339982131 date "1986-01-10" @default.
- W339982131 modified "2023-09-23" @default.
- W339982131 title "Nitro derivatives of compounds in the thiophene series. V. Heterocyclization of methyl (2-Thienyl) ketones upon treatment with fuming nitric acid" @default.
- W339982131 hasPublicationYear "1986" @default.
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