Pearson, EmmaKanizaj, NicholasWillis, AnthonyPaddon-Row, MichaelSherburn, Michael2015-12-100947-6539http://hdl.handle.net/1885/57445(Figure Presented) Reversal of fortune: The inherent cis stereoselectivity of an intramolecular Diels-Alder reaction is reversed through promotion with aluminum tris(2,6-diphenylphenoxide) (ATPH), allowing a total synthesis of the natural product Δ 9-tetKeywords: Cannabinoids; Density-functional calculations; Diastereo-selectivity; Diels-Alder reaction; Total synthesis; Stereoselectivity; Synthesis (chemical); Cycloaddition; aluminum tris(2,6 diphenylphenoxide); aluminum tris(2,6-diphenylphenoxide); cannabinoid; c Cannabinoids; Density functional calculations; Diastereoselectivity; Diels-alder reactions; Total synthesisExperimental and computational studies into an ATPH-promoted exo -Selective IMDA reaction: A short total synthesis of Δ 9 -THC201010.1002/chem.2010011762016-02-24