A fast and easy modified QuEChERS (quick, easy, cheap, rugged and safe) extraction method has been developed and validated for determination of 33 parent and substituted polycyclic aromatic ...

N.m.r. studies of 9,10-dihydroanthracene, its 10-alkyl substituted derivatives and of the respective Li+ salts established the stereochemistry of these compounds. The spectra show that neither the ...

Diradicaloids, particularly Chichibabin hydrocarbons, have long been of interest in functional materials due to their unique electronic structures and strong spin-coupling effects, which endow them ...