Absorption and magnetic circular dichroism studies on thiepins - Tajiri, A.; Hatano, M.; Yamamoto, K.; Murata, I. (Elsevier)
2,7-di-tert-butyl and 2,7-di-tert-butyl-4-ethoxy-carbonylthiepins exhibit a similar spectroscopic profile in their absorption and the magnetic circular dichroism spectra. A quantum-mechanical calculation based on the INDO method gave a theoretical interpretation of the spectra, which were all ascribed to the π-〉π^* electronic transitions characteristic of the thiepin skeleton.
http://linkinghub.elsevier.com/retrieve/pii/0009-2614(82)83084-4
Keywords: V; U