AUTHOR=Esfandiari Mozhgan , Salimi Beni Alireza TITLE=DABCO-modified magnetic core-shell as an efficient nanocatalyst for synthesizing polyhydroquinoline derivatives JOURNAL=Frontiers in Chemistry VOLUME=13 YEAR=2025 URL=https://www.frontiersin.org/journals/chemistry/articles/10.3389/fchem.2025.1557628 DOI=10.3389/fchem.2025.1557628 ISSN=2296-2646