A. Broberg et al., PRESENCE OF MICROTHECIN IN THE RED ALGA GRACILARIOPSIS-LEMANEIFORMIS AND ITS FORMATION FROM 1,5-ANHYDRO-D-FRUCTOSE, Phytochemistry, 41(1), 1996, pp. 151-154
Microthecin, a pyrone isolated from Gracilariopsis lemaneiformis, is f
ormed from 1,5-anhydro-D-fructose through two sequential elimination r
eactions; presumably by the action of a single enzyme.