{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,15]],"date-time":"2026-05-15T07:10:28Z","timestamp":1778829028237,"version":"3.51.4"},"reference-count":51,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2026,3,29]],"date-time":"2026-03-29T00:00:00Z","timestamp":1774742400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2026,3,29]],"date-time":"2026-03-29T00:00:00Z","timestamp":1774742400000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["chemistry-europe.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["ChemistryOpen"],"published-print":{"date-parts":[[2026,4]]},"abstract":"<jats:p>\n                    In this study, a novel ZnFe\n                    <jats:sub>2<\/jats:sub>\n                    O\n                    <jats:sub>4<\/jats:sub>\n                    @SiO\n                    <jats:sub>2<\/jats:sub>\n                    @AC nanocomposite catalyst was synthesized, demonstrating a reliable approach that underscores its innovative potential in the azidation of aryl halides, followed by their conversion to aryl amines. The catalytic system operates efficiently in ethanol under ultrasound irradiation at 60\u00b0C, providing a green, sustainable alternative to conventional synthetic methods. The core\u2013shell structure of ZnFe\n                    <jats:sub>2<\/jats:sub>\n                    O\n                    <jats:sub>4<\/jats:sub>\n                    @SiO\n                    <jats:sub>2<\/jats:sub>\n                    @AC enhances catalytic activity and stability, facilitating high yields of the target aryl amines with excellent selectivity. Techniques employed to characterize the resulting nanocatalyst included X\u2010ray diffraction, Fourier transform infrared, transmission electron microscopy, vibrating\u2010sample magnetometry, and Brunauer\u2013Emmett\u2013Teller surface area analysis, ensuring characterization of its structural, magnetic, and surface properties. Notably, the catalyst exhibited excellent recyclability, maintaining catalytic activity over six successive cycles with minimal deactivation, highlighting its robustness and suitability for sustainable catalytic applications in organic synthesis. The use of ultrasound conditions provides improved mass transfer and reaction kinetics, reducing reaction time and energy consumption, further enhancing the ecofriendly nature of the process. This work highlights the potential of multifunctional nanocomposites in ecofriendly organic transformations and underscores the role of sonochemistry in promoting efficient catalytic processes.\n                  <\/jats:p>","DOI":"10.1002\/open.70172","type":"journal-article","created":{"date-parts":[[2026,3,30]],"date-time":"2026-03-30T06:42:03Z","timestamp":1774852923000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["ZnFe\n                    <sub>2<\/sub>\n                    O\n                    <sub>4<\/sub>\n                    @SiO\n                    <sub>2<\/sub>\n                    @AC Magnetic Nanocomposite as an Efficient Catalyst for Ultrasound\u2010Assisted Azidation of Aryl Halides to Aryl Amines"],"prefix":"10.1002","volume":"15","author":[{"given":"Manish","family":"Kumar","sequence":"first","affiliation":[{"name":"Department of Electronics and Communication Engineering GLA University  Mathura India"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4661-656X","authenticated-orcid":false,"given":"Rima Heider Al","family":"Omari","sequence":"additional","affiliation":[{"name":"Faculty of Allied Medical Sciences Hourani Center for Applied Scientific Research Al\u2010Ahliyya Amman University  Amman Jordan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Soumya V.","family":"Menon","sequence":"additional","affiliation":[{"name":"Department of Chemistry and Biochemistry School of Sciences JAIN (Deemed to be University)  Bangalore India"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shaker","family":"Al\u2010Hasnaawei","sequence":"additional","affiliation":[{"name":"College of pharmacy the Islamic University  Najaf Iraq"},{"name":"Department of medical analysis Medical laboratory technique college the Islamic University of Al Diwaniyah  Al Diwaniyah 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