List of Articles Open Access Article Abstract Page Full-Text 1 - Novel synthesis of Pyrimido[4,5- e] [1,3,4] thiadiazines Abdolhassan Doulah Open Access Article Abstract Page Full-Text 2 - Aminolysis of selected methylpyrimidines in protic solvents Hossein Eshtiagh-Hosseini Masoud Mirzaei Open Access Article Abstract Page Full-Text 3 - arylaminotetrazoles : via [2+3] cycloaddition of nitriles and sodium azide via solid acid catalysis Abbas Teimouri Alireza Najafi Chermahini Open Access Article Abstract Page Full-Text 4 - conformational properties and the anomeric effect study of phosphinanes Javad Azizian Mahdieh Entezari Hossein Anaraki Ardakani Shahab Zomorodbakhsh Open Access Article Abstract Page Full-Text 5 - preparation of 3, 4-dihydropyrimidin-2(1H)-ones using quaternary ammonium- treated clay in water Soheil Sayyahi Sedigheh Jahanbakhshi Zahra Dehghani