List of Articles Polyvinylpolypyrrolidone Open Access Article Abstract Page Full-Text 1 - Application of PVPP-OXA as an efficient catalyst for the synthesis of mono and bulky 1,8-dioxooctahydroxanthenes Reza Dezhanga Masoud Mokhtary Open Access Article Abstract Page Full-Text 2 - Polyvinylpolypyrrolidone supported chlorosulfonic acid: An efficient catalyst for the one-pot synthesis of hexahydroquinolines Mahshid Yosefzadeh Masoud Mokhtary Open Access Article Abstract Page Full-Text 3 - Polyvinylpolypyrrolidone supported antimony(III) chloride (PVPP-SbCl3): An efficient catalyst for the synthesis of chromenylphenylpropanones Vahid Nabatchi Ahmadi Masoud Mokhtary