{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,5]],"date-time":"2026-02-05T22:38:50Z","timestamp":1770331130242,"version":"3.49.0"},"reference-count":18,"publisher":"International Union of Crystallography (IUCr)","issue":"2","license":[{"start":{"date-parts":[[2026,1,27]],"date-time":"2026-01-27T00:00:00Z","timestamp":1769472000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/legalcode"},{"start":{"date-parts":[[2026,1,27]],"date-time":"2026-01-27T00:00:00Z","timestamp":1769472000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/legalcode"}],"funder":[{"DOI":"10.13039\/501100006769","name":"Russian Science Foundation","doi-asserted-by":"crossref","award":["23\u201343-10024"],"award-info":[{"award-number":["23\u201343-10024"]}],"id":[{"id":"10.13039\/501100006769","id-type":"DOI","asserted-by":"crossref"}]},{"name":"Belarussian Republican Foundation for Fundemental Research","award":["X23RNF-051"],"award-info":[{"award-number":["X23RNF-051"]}]},{"name":"Hacettepe University Scientific Research Project Unit","award":["013 D04 602 004"],"award-info":[{"award-number":["013 D04 602 004"]}]}],"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":[[2026,1,21]]},"published-print":{"date-parts":[[2026,2,1]]},"abstract":"<jats:p>\n                    The asymmetric unit of the title compound, C\n                    <jats:sub>17<\/jats:sub>\n                    H\n                    <jats:sub>14<\/jats:sub>\n                    ClNO\n                    <jats:sub>2<\/jats:sub>\n                    , contains two molecules,\n                    <jats:italic>a<\/jats:italic>\n                    and\n                    <jats:italic>b<\/jats:italic>\n                    , where the hydrobenzene and pyrrole rings are in screw-boat and half-chair conformations, respectively. In the crystal, C\u2014H...O and C\u2014H...Cl hydrogen bonds link the molecules into two-dimensional networks, enclosing\n                    <jats:italic>R<\/jats:italic>\n                    <jats:sub>3<\/jats:sub>\n                    <jats:sup>3<\/jats:sup>\n                    (19),\n                    <jats:italic>R<\/jats:italic>\n                    <jats:sub>2<\/jats:sub>\n                    <jats:sup>2<\/jats:sup>\n                    (18) and\n                    <jats:italic>R<\/jats:italic>\n                    <jats:sub>2<\/jats:sub>\n                    <jats:sup>2<\/jats:sup>\n                    (14) ring motifs. Hirshfeld surface analysis revealed that the most important contributions to the crystal packing are from H...H (41.4 and 41.5% for molecules\n                    <jats:italic>a<\/jats:italic>\n                    and\n                    <jats:italic>b<\/jats:italic>\n                    , respectively), H...C\/C...H (18.1 and 20.2%), H...O\/O...H (16.0 and 13.4%) and H...Cl\/Cl...H (13.4 and 11.9%) interactions.\n                  <\/jats:p>","DOI":"10.1107\/s2056989026000629","type":"journal-article","created":{"date-parts":[[2026,1,23]],"date-time":"2026-01-23T10:46:51Z","timestamp":1769165211000},"page":"212-216","update-policy":"https:\/\/doi.org\/10.1107\/cm_01","source":"Crossref","is-referenced-by-count":0,"title":["Synthesis and structure of (7a\n                    <i>RS<\/i>\n                    )-4-chloro-6-(4-methylphenyl)-6,7,7a,8-tetrahydro-5\n                    <i>H<\/i>\n                    -indeno[5,6-\n                    <i>b<\/i>\n                    ]furan-5-one, a fused-ring system arising from a new variant of the IMDAV reaction"],"prefix":"10.1107","volume":"82","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-6414-7122","authenticated-orcid":true,"given":"Kseniia A.","family":"Alekseeva","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1415-8012","authenticated-orcid":true,"given":"Atash V.","family":"Gurbanov","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6363-5535","authenticated-orcid":true,"given":"Mikhail S.","family":"Grigoriev","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0009-0008-7050-1667","authenticated-orcid":true,"given":"Victoria I.","family":"Salakhova","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0803-8623","authenticated-orcid":true,"given":"Ekaterina A.","family":"Akishina","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9777-2653","authenticated-orcid":true,"given":"Mohammed Hadi","family":"Al-Douh","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8602-4382","authenticated-orcid":true,"given":"Tuncer","family":"H\u00f6kelek","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"329","published-online":{"date-parts":[[2026,1,27]]},"reference":[{"key":"hb8167_bb1","doi-asserted-by":"crossref","first-page":"844","DOI":"10.1107\/S2056989025007170","volume":"81","author":"Alekseeva","year":"2025","journal-title":"Acta Cryst. 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