Collect. Czech. Chem. Commun. 1989, 54, 3253-3259

Crystal and solution structure of (E)-1,2-bis(ethylsulphonyl)cyclobutane-1,2-dicarbonitrile

Jaroslav Podlahaa, Miloš Buděšínskýb, Jana Podlahováa and Jindřich Hašekc

a Department of Chemistry, Charles University, 128 40 Prague2
b Institute of Organic Chemistry and Biochemistry, Czechoslovak Academy of Sciences, 166 10 Prague 6
c Institute of Macromolecular Chemistry, Czechoslovak Academy of Sciences, 162 06 Prague 6


The unusual product of the reaction of 2-chloroacrylonitrile with ethane thiol and following hydrogen peroxide oxidation was found to be (E)-1,2-bis(ethylsulphonyl)cyclobutane-1,2-dicarbonitrile by means of X-ray crystallography. 1H and 13C NMR study of this compound has proven the same conformation of the molecule in solution.