Abstract
Charge-transfer interactions of perhydroisoquinoline (PHIQ) with 2,3-dichloro-5,6-dicyano-1,4- benzoquinone (DDQ), p-chloranil (CHL), and 7,7',8,8'-tetracyanoquinodimethane (TCNQ) in chloroform as a solvent have resulted in stable complexes with a general formula [(PHIQ)(acceptor)] with a molar ratio of 1: 1 (donor: acceptor). Elemental (C, H, N) and thermogravimetric (TGA/DTG) analyses, photometric titration, and electronic, infrared, and H-1 NMR spectra were used to give an idea of the charge-transfer interaction between donating and accepting sites. The Benesi-Hildebrand method and its modification were used to determine an association constant (K) and a molar extinction coefficient (epsilon).