{ "ok": true, "doi": "10.46243/jst.2022.v7.i01.pp19-24", "doi_display": "10.46243/jst.2022.v7.i01.pp19-24", "doi_url": "https://doi.org/10.46243/jst.2022.v7.i01.pp19-24", "state": "registered", "url": "https://www.jst.org.in/index.php/pub/article/view/584", "title": "Synthesis of Polyhydroquinoline Catalyzed by Cu nps/ Stilbite Zeolite", "version": 2, "registered_via": "crossref", "prefix": { "prefix": "10.46243", "status": "live" }, "registrant": { "name": "Longman Publishers", "kind": "publisher", "country": "India" }, "reserved_at": null, "registered_at": "2026-09-29 22:00:23", "updated_at": "2026-09-29 23:59:41", "withdrawn_at": null, "withdrawn_reason": null, "record": { "format": "smartscholars-doi-metadata/1.0", "doi": "10.46243/jst.2022.v7.i01.pp19-24", "referent": "Creation", "type": "JournalArticle", "structural_type": "Digital", "modes": [ "Visual" ], "characters": [ "Language" ], "titles": [ { "value": "Synthesis of Polyhydroquinoline Catalyzed by Cu nps/ Stilbite Zeolite", "type": "PrincipalTitle", "lang": "en" } ], "identifiers": [ { "type": "DOI", "value": "10.46243/jst.2022.v7.i01.pp19-24" } ], "agents": [ { "role": "author", "name": { "given": "Lakshman S", "family": "Lakshman S" }, "sequence": "first" }, { "role": "publisher", "name": { "org": "Longman Publishers" } } ], "dates": { "published": "2022-05-22", "date_type": "PublicationDate", "online": "2022-05-22" }, "language": "en", "container": { "type": "Journal", "titles": [ { "value": "Journal of Science & Technology", "type": "PrincipalTitle" } ], "identifiers": [ { "type": "ISSN", "value": "2456-5660", "medium": "electronic" } ], "volume": "7", "issue": "Special 1", "pages": { "first": "19", "last": "24" } }, "links": [ { "url": "https://www.jst.org.in/index.php/pub/article/view/584", "return_type": "text/html", "primary": true }, { "url": "https://www.jst.org.in/index.php/pub/article/download/584/517", "purpose": "text-mining", "return_type": "application/pdf" }, { "url": "https://www.jst.org.in/index.php/pub/article/download/584/2315", "purpose": "text-mining", "return_type": "application/xml" }, { "url": "https://jst.org.in/admin/uploads/Gadekar.pdf", "purpose": "similarity-checking" } ], "abstract": { "value": "In the present research article, a new method to synthesize polyhydroquinoline derivative is discussed. Polyhydroquinoline derivative synthesized using catalyst Cu nps/stilbite zeolite. The catalyst shows excellent catalytic activity in synthesis of polyhydroquinolines using aromatic aldehyde, dimedone, ethylaceto acetate and ammonium acetate in e thanol medium. The reaction procedure was very simple, easy to handle, excellent yields are the plus point of present method", "lang": "en" }, "license": { "url": "https://creativecommons.org/licenses/by/4.0/", "start": "2022-05-22", "applies_to": "vor" }, "references": [ { "key": "ref1", "doi": "10.1016/s0031-6997(25)06867-x", "unstructured": "T. Godfraind, R. Miller, M. Wibo, Pharmacol. Rev., 38 (1986) 321" }, { "key": "ref2", "doi": "10.1358/dof.1995.020.02.284117", "unstructured": "V. Klusa, Drugs Fut., 20 (1995) 135" }, { "key": "ref3", "doi": "10.1016/0272-6386(93)70125-i", "unstructured": "R. G Bretzel, C. Bollen, E. Maeser, K. F. Federlin, Am. J. 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