SYNTHESIS OF NITROMETHYL-, N -METHYLINDOLYL-, OR N -METHYLINDOLYLNITROMETHYL- SUBSTITUTED 1,4-BENZOTHIAZIN(DIAZIN)ONES AND 3-METHYL-1,4-BENZOXAZINONES FROM ALKYL 3-NITROACRYLATES
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DOI: 10.1007/4494
Abstract: The reactions of alkyl 3-nitroacrylates and ethyl 2-(1-methyl-1H-indol-3-yl)-3-nitroacrylate with о-aminothiophenol, о-aminophenol, о-phenylenediamine, and their substituted analogs were used for the preparation of 2-(nitromethyl)-2H-1,4-benzothiazin-3(4H)-one, 2-(1-methyl-1H-indol-3-yl)-2-(nitromethyl)-2H-1,4-benzothiazin-3(4H)-one, 3-methyl-2H-1,4-benzoxazin-2-ones, and 3-(1-methyl-1H-indol-3-yl)quinoxalin-2(1H)-ones that were structurally characterized. read more here.
Keywords: methylindolyl methylindolylnitromethyl; ones methyl; synthesis nitromethyl; alkyl nitroacrylates ... See more keywords
Alkyl 3-Nitroacrylates in Reactions with Semicarbazide
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DOI: 10.1134/s1070363220030251
Abstract: Abstract The reactions of alkyl-3-nitroacrylates with semicarbazide as representative of polynitrogen nucleophiles proceeds at room temperature in a solution of glacial acetic acid and leads to aza-Michael adducts. Their structure was proved by 1 H,… read more here.
Keywords: alkyl nitroacrylates; spectroscopy; nitroacrylates reactions; reactions semicarbazide ... See more keywords