{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,30]],"date-time":"2026-07-30T12:27:35Z","timestamp":1785414455200,"version":"3.56.0"},"reference-count":21,"publisher":"International Union of Crystallography (IUCr)","issue":"11","license":[{"start":{"date-parts":[[2024,10,11]],"date-time":"2024-10-11T00:00:00Z","timestamp":1728604800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/legalcode"},{"start":{"date-parts":[[2024,10,11]],"date-time":"2024-10-11T00:00:00Z","timestamp":1728604800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/legalcode"}],"funder":[{"DOI":"10.13039\/100008725","name":"Agencia Nacional de Investigaci\u00f3n e Innovaci\u00f3n","doi-asserted-by":"publisher","award":["FCE_1_2017_1_135581"],"award-info":[{"award-number":["FCE_1_2017_1_135581"]}],"id":[{"id":"10.13039\/100008725","id-type":"DOI","asserted-by":"publisher"}]}],"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":[[2024,10,4]]},"published-print":{"date-parts":[[2024,11,1]]},"abstract":"<jats:p>\n                    The absolute configuration of the title compound, C\n                    <jats:sub>13<\/jats:sub>\n                    H\n                    <jats:sub>16<\/jats:sub>\n                    O\n                    <jats:sub>4<\/jats:sub>\n                    , determined as 1\n                    <jats:italic>S<\/jats:italic>\n                    ,2\n                    <jats:italic>R<\/jats:italic>\n                    ,3\n                    <jats:italic>S<\/jats:italic>\n                    ,4\n                    <jats:italic>R<\/jats:italic>\n                    based on the synthetic pathway, was confirmed by single-crystal X-ray diffraction. The molecule is a relevant intermediary for the synthesis of speciosins, epoxyquinoides or their analogues. The molecule contains fused five- and six-membered rings with two free hydroxyl groups and two protected as an isopropylidenedioxo ring. The packing is directed by hydrogen bonds that define double planes of molecules laying along the\n                    <jats:italic>ab<\/jats:italic>\n                    plane and van der Waals interactions between aliphatic chains that point outwards of the planes.\n                  <\/jats:p>","DOI":"10.1107\/s2056989024009733","type":"journal-article","created":{"date-parts":[[2024,10,8]],"date-time":"2024-10-08T01:00:52Z","timestamp":1728349252000},"page":"1165-1169","update-policy":"https:\/\/doi.org\/10.1107\/cm_01","source":"Crossref","is-referenced-by-count":0,"title":["Synthesis, crystal structure and absolute configuration of (3a\n                    <i>S<\/i>\n                    ,4\n                    <i>R<\/i>\n                    ,5\n                    <i>S<\/i>\n                    ,7a\n                    <i>R<\/i>\n                    )-7-(but-3-en-1-yn-1-yl)-2,2-dimethyl-3a,4,5,7a-tetrahydro-2\n                    <i>H<\/i>\n                    -1,3-benzodioxole-4,5-diol"],"prefix":"10.1107","volume":"80","author":[{"given":"Alejandro","family":"Peixoto de Abreu Lima","sequence":"first","affiliation":[{"id":[{"id":"https:\/\/ror.org\/030bbe882","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Enrique","family":"Pandolfi","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/030bbe882","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Valeria","family":"Schapiro","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/030bbe882","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7606-8074","authenticated-orcid":true,"given":"Leopoldo","family":"Suescun","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"329","published-online":{"date-parts":[[2024,10,11]]},"reference":[{"key":"ee2008_bb1","doi-asserted-by":"crossref","first-page":"59","DOI":"10.1107\/S2053273314022207","volume":"71","author":"Bourhis","year":"2015","journal-title":"Acta Cryst. 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