143377-91-7Relevant academic research and scientific papers
Synthetic exploitation of the ring-opening of 3,4-dinitrothiophene. Access to 1,4-disubstituted 2,3-dinitro-1,3-butadienes and 2,3-butanedione dioximes
Dell'Erba, Carlo,Mele, Andrea,Novi, Marino,Petrillo, Giovanni,Stagnaro, Paola
, p. 4407 - 4418 (1992)
The optimized ring-opening reaction of 3,4-dinitrothiophene 1 with either primary or secondary amines leads to 1,4-bis(alkylamino)- and 1,4-bis(arylamino)- 2 or 1,4-bis(dialkylamino)-2,3-dinitro-1,3-butadienes 3 in satisfactory to excellent yields. While
