1 23 Research on Chemical Intermediates ISSN 0922-6168 Volume 44 Number 5 Res Chem Intermed (2018) 44:3279-3291 DOI 10.1007/s11164-018-3306-3 In situ polymerization of poly(vinylimidazole) into the pores of hierarchical MFI zeolite as an acid–base bifunctional catalyst for one-pot C–C bond cascade reactions Roozbeh Javad Kalbasi, Sanaz Mansouri & Omid Mazaheri