Dithienoquinazolines – A Convenient Synthesis by the Oxidative Photocyclization of 4,5-Dithienyl-Substituted Pyrimidines and Their Photophysical Properties [Electronic resource] / E. V. Verbitskiy, P. A. Slepukhin, M. S. Valova, E. M. Cherprakova, A. V. Schepochkin, G. L. Rusinov, V. N. Charushin // European Journal of Organic Chemistry. - 2014. - № 36. - С. 8133-8141. - Режим доступа: http://onlinelibrary.wiley.com/doi/10.1002/ejoc.v2014.36/issuetoc. - (Дата обращения: 06.07.2015)