{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,2,21]],"date-time":"2025-02-21T21:49:30Z","timestamp":1740174570238,"version":"3.37.3"},"reference-count":16,"publisher":"International Union of Crystallography (IUCr)","issue":"11","license":[{"start":{"date-parts":[[2017,10,20]],"date-time":"2017-10-20T00:00:00Z","timestamp":1508457600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/2.0\/uk\/legalcode"},{"start":{"date-parts":[[2017,10,20]],"date-time":"2017-10-20T00:00:00Z","timestamp":1508457600000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/2.0\/uk\/legalcode"}],"funder":[{"name":"Vietnam National Foundation for Science and Technology Development","award":["104.01\u20132015.27"],"award-info":[{"award-number":["104.01\u20132015.27"]}]}],"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"],"published-print":{"date-parts":[[2017,11,1]]},"abstract":"<jats:p>The title compound, C<jats:sub>19<\/jats:sub>H<jats:sub>19<\/jats:sub>NO<jats:sub>5<\/jats:sub>, (I), is the product of a domino reaction between cotarnine chloride and acetylacetylene catalysed by copper(I) iodide. The molecule of (I) comprises a fused tetracyclic system containing two terminal five-membered rings (pyrrole and 1,3-dioxole) and two central six-membered rings (dihydropyridine and benzene). The five-membered 1,3-dioxole ring has an envelope conformation and the central six-membered dihydropyridine ring adopts a twist-boat conformation. The acyl substituent is almost coplanar with the pyrrole ring, whereas the methoxy substituent is twisted by 27.93\u2005(16)\u00b0 relative to the benzene ring. The 2-oxopropan-1-yl substituent is roughly perpendicular to the pyrrole ring. In the crystal, molecules are stacked along the<jats:italic>a<\/jats:italic>-axis direction; the stacks are linked by weak C\u2014H...O hydrogen bonds into puckered layers lying parallel to (001).<\/jats:p>","DOI":"10.1107\/s2056989017015110","type":"journal-article","created":{"date-parts":[[2017,10,20]],"date-time":"2017-10-20T11:41:51Z","timestamp":1508499711000},"page":"1732-1734","update-policy":"https:\/\/doi.org\/10.1107\/cm_01","source":"Crossref","is-referenced-by-count":0,"title":["A new approach to alkaloid-like systems: synthesis and crystal structure of 1-(2-acetyl-11-methoxy-5,6-dihydro[1,3]dioxolo[4,5-<i>g<\/i>]pyrrolo[2,1-<i>a<\/i>]isoquinolin-1-yl)propan-2-one"],"prefix":"10.1107","volume":"73","author":[{"given":"Le Tuan","family":"Anh","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Alexander A.","family":"Titov","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Reza","family":"Samavati","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Leonid G.","family":"Voskressensky","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Alexey V.","family":"Varlamov","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8806-2975","authenticated-orcid":true,"given":"Victor N.","family":"Khrustalev","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"329","published-online":{"date-parts":[[2017,10,20]]},"reference":[{"key":"hb7707_bb1","unstructured":"Bruker (2001). 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