{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,30]],"date-time":"2026-07-30T12:24:38Z","timestamp":1785414278232,"version":"3.56.0"},"reference-count":20,"publisher":"International Union of Crystallography (IUCr)","issue":"8","license":[{"start":{"date-parts":[[2025,7,23]],"date-time":"2025-07-23T00:00:00Z","timestamp":1753228800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/legalcode"},{"start":{"date-parts":[[2025,7,23]],"date-time":"2025-07-23T00:00:00Z","timestamp":1753228800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/legalcode"}],"content-domain":{"domain":["iucr.org","wiley.com","iucrj.org"],"crossmark-restriction":true},"short-container-title":["Acta Crystallogr E Cryst Commun","Acta Cryst E","Acta Cryst Sect E","Acta Crystallogr E","Acta Crystallogr Sect E","Acta Cryst E Cryst Commun","Acta Cryst Sect E Cryst Commun"],"accepted":{"date-parts":[[2025,7,11]]},"published-print":{"date-parts":[[2025,8,1]]},"abstract":"<jats:p>\n                    A new bispyrazolylpyridine(BPP)-containing derivative, namely, 4-(3,5-dimethyl-1,7-diphenyl-1,7-dihydrodipyrazolo[3,4-\n                    <jats:italic>b<\/jats:italic>\n                    :4\u2032,3\u2032-\n                    <jats:italic>e<\/jats:italic>\n                    ]pyridin-4-yl)phenol (\n                    <jats:bold>1<\/jats:bold>\n                    ), C\n                    <jats:sub>27<\/jats:sub>\n                    H\n                    <jats:sub>21<\/jats:sub>\n                    N\n                    <jats:sub>5<\/jats:sub>\n                    O\u00b72C\n                    <jats:sub>2<\/jats:sub>\n                    H\n                    <jats:sub>6<\/jats:sub>\n                    OS, has been synthesized by a Hantzsch multicomponent reaction using acetic acid (AcOH) as solvent and copper(II) acetate monohydrate [Cu(OAc)\n                    <jats:sub>2<\/jats:sub>\n                    \u00b7H\n                    <jats:sub>2<\/jats:sub>\n                    O] as mild oxidant. The structure of the compound was fully characterized by single-crystal X-ray diffraction. The crystallographic study shows that the molecule crystallizes in the triclinic system with space group\n                    <jats:italic>P<\/jats:italic>\n                    <jats:overline>1<\/jats:overline>\n                    , with one molecule per asymmetric unit. Whereas the phenolic substituent in the\n                    <jats:italic>para<\/jats:italic>\n                    position of the pyridine group is highly twisted from the planar bispyrazolopyridine core [56.19\u2005(4)\u00b0], the two phenyl rings present on the nitrogen atoms are only slightly distorted [11.77\u2005(5) and 29.17\u2005(5)\u00b0]. The crystal structure is consolidated by intermolecular C\u2014H...O hydrogen bonds and \u03c0\u2013\u03c0 stacking interactions.\n                  <\/jats:p>","DOI":"10.1107\/s2056989025006152","type":"journal-article","created":{"date-parts":[[2025,7,23]],"date-time":"2025-07-23T09:27:01Z","timestamp":1753262821000},"page":"711-713","update-policy":"https:\/\/doi.org\/10.1107\/cm_01","source":"Crossref","is-referenced-by-count":0,"title":["Crystal structure of 4-(3,5-dimethyl-1,7-diphenyl-1,7-dihydrodipyrazolo[3,4-\n                    <i>b<\/i>\n                    :4\u2032,3\u2032-\n                    <i>e<\/i>\n                    ]pyridin-4-yl)phenol dimethyl sulfoxide disolvate"],"prefix":"10.1107","volume":"81","author":[{"given":"N'gandi","family":"N'gaza","sequence":"first","affiliation":[{"id":[{"id":"https:\/\/ror.org\/029brtt94","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Erwann","family":"Jeanneau","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/029brtt94","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Catherine","family":"Marestin","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/029brtt94","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Regis","family":"Mercier","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/029brtt94","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"329","published-online":{"date-parts":[[2025,7,23]]},"reference":[{"key":"yy2018_bb1","doi-asserted-by":"crossref","first-page":"4817","DOI":"10.1016\/S0040-4039(00)96633-4","volume":"28","author":"Bell","year":"1987","journal-title":"Tetrahedron Lett."},{"key":"yy2018_bb20","unstructured":"Brandenburg, K. & Putz, H. 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