This invention relates to the stereospecific process for the preparation, separation and purification of hexahydrodibenzofurans which are used in {HEAD ~ the preparation} of {TAIL ~ the 5HT3 compounds} 
This invention relates to the stereospecific process for the preparation , separation and purification of hexahydrodibenzofurans which are used in { HEAD ~ the preparation } of { TAIL ~ the 5HT3 compounds }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL