TY JOUR TI QUANTUM-CHEMICAL STUDY OF THE MECHANISM OF REACTION OF BENZOELACETHYLENE WITH DISELENOMALONAMIDE KW benzoyl acetylene KW dyselenomalonamide KW reaction mechanism KW nucleophilic substitution KW electron density functional theory KW B3LYP KW potential energy surface JO Modern Technologies and Scientific and Technological Progress AU Chirkina, E.A. PY 2020 IS 2020 PB Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»