Dipole moments of some cyclic anhydrides

Abstract

New values of the dipole moments of maleic anhydride and three of its Diels-Alder adducts have been determined using the technique of Guggenheim. The results are compared with the dipole moments of several other cyclic anhydrides.

Dilute Solution Behavior of Two Cyclic Anhydrides

“…For CDA, the effect of a possible charge-transfer complex with benzene is again in evidence. The polar effects are in the same direction, but somewhat less in magnitude, as the specific dipole moment of CDA of 0.17 debye2 per cc is somewhat lower than that of MA, 0.21 debye2 per cc (Wong and Eckert, 1971).…”

Partial Molal Volumes in Dilute Solution by Injection Dilatometry

“…These results are explicable in terms of the relative magnitudes of the dipole moments of the anhydrides, which are 3.95 debyes for MA, 4.46 debyes for MCDA, and 5.25 debyes for MOCDA (Wong and Eckert, 1971). The effect of solvent polarity is greater for the more polar product.…”