19835-87-1Relevant articles and documents
Synthesis and 13C NMR spectra of N-substituted p-quinonimines: III. N-arylthio- and N-arylsulfonyl-1,4-benzoquinonimines with enhanced electron-donor character of quinoid ring
Pirozhenko,Avdeenko,Yusina,Konovalova
, p. 1121 - 1128 (2007/10/03)
Incorporation of alkyl substituents into quinonimine fragments of N-arylthio- and N-arylsulfonyl-1,4-benzoquinonimines results in virtually equal changes in the chemical shifts of the carbon atoms from this fragment compared to those of unsubstituted and