%0 Journal Article %T The application of copolymer‐coated graphene oxide‐Fe3O4 in the highly efficient synthesis of 2′‐aminospiro[indeno[1,2‐b]quinoxaline‐11,4′‐[4\\\\\\\\\\\\\\\'H] pyran]‐3′‐carbonitrile and 2′‐aminospiro[indeno‐2,4′‐[4\\\\\\\\\\\\\\\'H]pyran]‐3′‐carbonitrile %A Seyedeh Fatemeh Hojati %A Amiri, Amirhassan %A Elham Fardi %J Applied Organometallic Chemistry %@ 0268-2605 %D 2020