NEW ANTICANCER PULSATILLA SAPONIN D AND SYNTHESIS OF INTERMEDIATES THEREOF

摘要

PURPOSE: A method for preparing Pulsatilla saponin and an intermediate of Pulsatilla saponin are provided to prepare a large amount of PSD(Pulsatilla saponin) and to ensure excellent effect for lung cancer. CONSTITUTION: A method for preparing a compound of chemical formula 1 comprises: a step of deprotecting a compound of chemical formula 19 under a hydrogenation reaction condition; and a step of preparing a compound of chemical formula 2 from hedragenin of chemical formula 2'. The compound of chemical formula 19 is prepared from protected arabinose of chemical formula 4.