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Palladium\u2010 and cobalt\u2010catalyzed polycyclizations were employed as key strategies to construct the central pentasubstituted arene from bromoendiyne and triyne precursors. This required the independent assembly of two AB ring aldehydes for combination with a common diyne component. A number of model systems were explored to investigate these two methodologies, and also to establish routes for the installation of the challenging benzopyran and butenolide rings.\n                  <\/jats:p>","DOI":"10.1002\/chem.201703229","type":"journal-article","created":{"date-parts":[[2017,8,2]],"date-time":"2017-08-02T12:02:46Z","timestamp":1501675366000},"page":"14080-14089","source":"Crossref","is-referenced-by-count":33,"title":["Total Synthesis of the\n                    <i>Schisandraceae<\/i>\n                    Nortriterpenoid Rubriflordilactone\u2005A"],"prefix":"10.1002","volume":"23","author":[{"given":"Guilhem","family":"Chaubet","sequence":"first","affiliation":[{"name":"Chemistry Research Laboratory University of Oxford  12 Mansfield Road Oxford OX1 3TA UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shermin S.","family":"Goh","sequence":"additional","affiliation":[{"name":"Chemistry Research Laboratory University of Oxford  12 Mansfield 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