TY JOUR TI QUANTUM CHEMICAL STUDIES OF THE STRUCTURE AND THE PROTOLYTIC PROPERTIES OF SOME HETEROCYCLIC DERIVATIVES KW quantum chemical research KW DABCO KW transition state KW bases KW radical JO Modern Technologies and Scientific and Technological Progress AU Nagiparov, K.Z. AU Beznosyuk, S.A. AU Nikolskiy, S.N. PY 2025 IS 2025 PB Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»