Theoretical Study of Addition Reaction (4-3) of Some Derivatives of N,N-Dimethyl Amino Methylene ketone with Methanesulfonyl Chloride Using Level of theory M062X/6-31g(d). (2018). Latakia University Journal -Basic Sciences Series, 40(1). https://journal.latakia-univ.edu.sy/index.php/bassnc/article/view/4303