“…by taking advantage of a vinylogous addition of siloxyfuranes to activated benzopyrylium salts and in a previous publication by our group: We employed a domino vinylogous aldol/ oxa ‐Michael reaction as the key step. The different approaches to tetrahydroxanthones culminated in the asymmetric syntheses of diversonol, −, lachnones, blennolides, , , , , , , secalonic acids and dicerandrol …”