Molecular Structure, Spectroscopic and DFT Computational Studies of Arylidene-1, 3-dimethylpyrimidine-2,4,6(1H,3H,5H)-trione

Assem Barakat 1,3,*, Saied M. Soliman 2,3,*, Hazem A. Ghabbour 4,5, M. Ali 1, Abdullah Mohammed Al-Majid 1, Mohammad Shahidul Islam 1 and Ayman A. Ghfar 1 1 Department of Chemistry, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia; [email protected] (M.A.); [email protected] (A.M.A.-M.); [email protected] (M.S.I.); [email protected] (A.A.G.) 2 Department of Chemistry, Rabigh College of Science and Art, P.O. Box 344, Rabigh 21911, Saudi Arabia 3 Department of Chemistry, Faculty of Science, Alexandria University, P.O. Box 426, Ibrahimia, Alexandria 21321, Egypt 4 Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, P.O. Box 2457, Riyadh 11451, Saudi Arabia; [email protected] 5 Department of Medicinal Chemistry, Faculty of Pharmacy, Mansoura University, Mansoura 35516, Egypt * Correspondences: [email protected] (A.B.); [email protected] (S.M.S.); Tel.: +966-11467-5884 (A.B.); +966-56545-0752 (S.M.S.); Fax: +966-11467-5992 (A.B.)