The technical utilization of furfural and derivatives is dependent to a marked extent on the constitution of the furan nucleus, on rules governing orientation in nuclear substitution and on the relative negativity or super-aromaticity of furan when compared with aromatic types like benzene.
Proceedings of the Iowa Academy of Science
©1933 Iowa Academy of Science, Inc.
Gilman, Henry; Catlin, Willard E.; and Davis, Robert K.
"Ionization Constants and Parachors of Some Furan compounds,"
Proceedings of the Iowa Academy of Science, 40(1), 115-115.
Available at: https://scholarworks.uni.edu/pias/vol40/iss1/58