89767-79-3Relevant articles and documents
SYNTHESIS AND CONFORMATIONAL PROPERTIES OF 5,7-DISUBSTITUTED METACYCLO(2,5)THIOPHENOPHANE-1,12-DIONES
Miyahara, Yuji,Inazu, Takahiko,Yoshino, Tamotsu
, p. 415 - 418 (2007/10/02)
The title compounds showed unique conformational equilibria wich were dependent upon the substituents in the 5,7-positions, the predominant conformers being in a syn O,S,O-cis,cis conformation with a highly deformed thiophene-2,5-dicarbonyl moiety.