132170-84-4Relevant academic research and scientific papers
SYNTHETIC EXPLOITATION OF THE RING-OPENING OF 3,4-DINITROTHIOPHENE. A NOVEL ACCESS TO 1,4-DIALKYL- AND 1,4-DIARYL-2,3-DINITRO-1,3-BUTADIENES
Dell'Erba, C.,Mele, A.,Novi, M.,Petrillo, G.,Stagnaro, P.
, p. 4933 - 4936 (1990)
(E,E)-1,4-Bis(diethylamino)-2,3-dinitro-1,3-butadiene (2a), obtained from the ring-opening of 3,4-dinitrothiophene, reacts with Grignard reagents in THF to give good yields of 1,4-disubstituted (Et, cy-Hex, Ph) 2,3-dinitro-1,3-butadienes (3a-c) having almost exclusively (E,E) configuration.
