Russian Chemical Bulletin p. 70 - 74 (1994)
Update date:2022-08-11
Topics:
Kislyi, V. P.
Laikhter, A. L.
Ugrak, B. I.
Semenov, V. V.
2-Nitro-1,3-dicarbonyl and α-nitromonocarbonyl compounds were synthesized in the yields variyng from moderate (30percent) to nearly quantitative by the nitration of β-dicarbonyl compounds in a two-phase system: sulfuric/nitric acid mixture - chloroform at -10 - 10 deg C.The use of phase transfer conditions made it possible to avoid the formation of furoxans as by-products and to simplify the isolation of products.This method is quite common for preparing various α-functional nitro compounds including those containing a CF3-group. - Key words: nitration, α-functional nitro compounds.
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