{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,4]],"date-time":"2026-09-04T18:13:24Z","timestamp":1788545604011,"version":"build-2803163510"},"reference-count":100,"publisher":"American Chemical Society (ACS)","issue":"7","license":[{"start":{"date-parts":[[2019,7,5]],"date-time":"2019-07-05T00:00:00Z","timestamp":1562284800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/pubs.acs.org\/page\/policy\/authorchoice_termsofuse.html"}],"funder":[{"DOI":"10.13039\/501100004482","name":"Kuwait University","doi-asserted-by":"publisher","award":["SC13\/18"],"award-info":[{"award-number":["SC13\/18"]}],"id":[{"id":"10.13039\/501100004482","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2019,7,31]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>A novel, metal catalyst-free, and efficient method has been developed for the synthesis of (pyrazol-4-ylidene)pyridine derivatives. The process involves dehydrogenative coupling of 1-amino-2-imino-pyridines with 1-aryl-5-pyrazolone derivatives utilizing O2 as the sole oxidant. The new method benefits from a high atom economy, efficiency, and substrate scope, as well as the simplicity of reaction and product purification procedures.<\/jats:p>","DOI":"10.1021\/acsomega.9b01650","type":"journal-article","created":{"date-parts":[[2019,7,5]],"date-time":"2019-07-05T11:40:44Z","timestamp":1562326844000},"page":"11701-11711","source":"Crossref","is-referenced-by-count":9,"title":["Sustainable Synthetic\nApproach for (Pyrazol-4-ylidene)pyridines By Metal Catalyst-Free Aerobic\nC(sp2)\u2013C(sp3) Coupling Reactions between\n1-Amino-2-imino-pyridines and 1-Aryl-5-pyrazolones"],"prefix":"10.1021","volume":"4","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-8355-2676","authenticated-orcid":true,"given":"Hamada Mohamed","family":"Ibrahim","sequence":"first","affiliation":[{"name":"Kuwait University , , P.O. Box 5969, ,","place":["Safat, Kuwait, 13060"]},{"name":"Fayoum University , , P.O. Box 63514, ,","place":["Fayoum, Egypt"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Haider","family":"Behbehani","sequence":"additional","affiliation":[{"name":"Kuwait University , , P.O. Box 5969, ,","place":["Safat, Kuwait, 13060"]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"316","published-online":{"date-parts":[[2019,7,5]]},"reference":[{"key":"2026090413095636100_cit1","doi-asserted-by":"publisher","first-page":"1542","DOI":"10.1021\/acs.joc.8b02974","article-title":"Cp*CoIII\u2013catalyzed\nalkylation of primary and secondary C(sp3)-H bonds of 8-alkylquinolines\nwith maleimides","volume":"84","author":"Kumar","year":"2019","journal-title":"J. Org. 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