1-(3,5-Di­meth­oxy­phen­yl)-4,5-dimethyl-2-phenyl-1H-imidazole

In the title mol­ecule, C₁₉H₂₀N₂O₂, the imidazole ring makes dihedral angles of 57.29 (5) and 31.54 (5)° with the attached di­meth­oxy­phenyl residue and the phenyl ring, respectively. The dihedral angle between the di­meth­oxy­phenyl and phenyl rings is 61.15 (5)°. In the crystal, pairs of C—H...N hydrogen bonds connect the mol­ecules into inversion dimers.

(1S,1'S,2'R,4a'S,9a'S,9b'R)-1'-Acet­yloxy-2,4'-dioxo-2',4',4a',7',8',9',9a',9b'-octa­hydro-1'H,2H-spiro­[ace­naphthyl­ene-1,5'-pyrano[4,3-a]pyrrolizin]-2'-ylmethyl acetate

In the title compound C₂₆H₂₅NO₇, the mean plane through the lactone-substituted ring of the pyrrolizidine moiety forms dihedral angles of 78.46 (6) and 58.28 (8)° with the ace­naphthyl­ene moiety and the sugar based-lactone ring, respectively. The sum of the angles at the the N atom of the pyrrolizidine ring (335.0°) is in accordance with sp³ hybridization. Some atoms of the acetate group are disordered and were refined using a split model [occupancy ratio 0.673 (10):0.327 (10)].