List of Articles Regioselectivity Open Access Article Abstract Page Full-Text 1 - Impact of Lewis acid catalyst on the regioselectivity and kinetics of 1,3-dipolar cycloaddition reaction of azidobenzene with acrolein: a theoretical study using DFT F. Shams S. R. Emamian E. Zahedi Open Access Article Abstract Page Full-Text 2 - A density functional theory study of the region selectivity of the Diels –Aldercyclo addition of 2 methyl- substituted diene with selected dienophiles A. Nouri E. Zahedi F. Joneydi Jafari S. Sedaghat Open Access Article Abstract Page Full-Text 3 - A competitive Diels-Alder/1, 3-dipolar cycloaddition reaction of1-H-imidazole 3-oxide toward sulfonyl methane. A DFT study on the energetic and regioselectivity Saeedreza Emamian Open Access Article Abstract Page Full-Text 4 - Application of Poly(N, N′- dibromo-N-ethyl-naphthyl-2,7-disulfonamide) for the Regioselective Synthesis of New 3-Sulfenyl Indole Derivatives Mahdieh Chegeni Ardeshir Khazaei Maryam Kiani Borazjani Shahnaz Saednia