4732-62-1Relevant articles and documents
Synthetic Exploitation of the Ring-Opening of 3,4-Dinitrothiophene. Part 4. Synthesis of 1,4-Disubstituted 3-Hydroximino-2-nitro-1-butenes and their Cyclization to 4-Nitroisoxazoles
Dell'Erba, Carlo,Novi, Marino,Petrillo, Giovanni,Stagnaro, Paola
, p. 861 - 866 (2007/10/02)
The reduction of a single nitrovinyl moiety in 1,4-dialkyl- and 1,4-diaryl-2,3-dinitro-1,3-butadienes 1 with stannous chloride dihydrate in ethyl acetate furnishes the corresponding 3-hydroximino-2-nitro-1-butenes 4 in satisfactory yields.The oxidative cy