Hormones Hormones U 1000 Prostanoids. Part 85. Synthesis 9-Oxo Derivatives of 9-LO Thromboxans. -Starting from levoglucosan (I) a synthetic pathway to the lactone (IX), an useful model for SAR studies in the 9-LO thromboxan series, is given. -(AKHMETVALEEV, R. R.; BIKBULATOV, R. V.; BELOGAEVA, T. A.; AKBUTINA, F. A.; MIFTAKHOV, M. S.; Russ.