{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,2]],"date-time":"2026-09-02T06:18:15Z","timestamp":1788329895344,"version":"build-2803163510"},"reference-count":20,"publisher":"International Union of Crystallography (IUCr)","issue":"6","license":[{"start":{"date-parts":[[2026,5,29]],"date-time":"2026-05-29T00:00:00Z","timestamp":1780012800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/legalcode"},{"start":{"date-parts":[[2026,5,29]],"date-time":"2026-05-29T00:00:00Z","timestamp":1780012800000},"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":[[2026,5,21]]},"published-print":{"date-parts":[[2026,6,1]]},"abstract":"<jats:p>\n                    Acetyl-11-keto-\u03b2-boswellic acid, C\n                    <jats:sub>32<\/jats:sub>\n                    H\n                    <jats:sub>48<\/jats:sub>\n                    O\n                    <jats:sub>5<\/jats:sub>\n                    , a pentacyclic triterpenoid from\n                    <jats:italic>Boswellia serrata<\/jats:italic>\n                    , exhibits notable anti-inflammatory and pharmacological activities. The compound crystallizes in the orthorhombic space group\n                    <jats:italic>P<\/jats:italic>\n                    2\n                    <jats:sub>1<\/jats:sub>\n                    2\n                    <jats:sub>1<\/jats:sub>\n                    2 and exhibits a rigid pentacyclic framework with eleven stereogenic centers. The cyclohexane rings adopt near-ideal chair conformations with minimal steric strain. The crystal packing is governed by O\u2014H...O hydrogen bonds, forming zigzag chains along the [100] direction and extending into a three-dimensional network and is further consolidated by van der Waals interactions. Hirshfeld surface analysis shows dominant H...H contacts (91.5%), highlighting the importance of van der Waals forces, while H...O\/O...H contacts provide localized stabilization.\n                  <\/jats:p>","DOI":"10.1107\/s2056989026005360","type":"journal-article","created":{"date-parts":[[2026,5,22]],"date-time":"2026-05-22T09:00:30Z","timestamp":1779440430000},"page":"738-742","update-policy":"https:\/\/doi.org\/10.1107\/cm_01","source":"Crossref","is-referenced-by-count":0,"title":["Crystal structure and Hirshfeld surface analysis of 3-acetyl-11-keto-\u03b2-boswellic acid"],"prefix":"10.1107","volume":"82","author":[{"given":"B.","family":"Dinesh","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"H. N.","family":"Shafiulla","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"J. 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