More specifically, the present invention relates to {HEAD ~ a process} for {TAIL ~ the preparation} of substantially optically pure cishexahydrodibenzofuran compounds including at least two chiral fused ring centers which comprises the acidic catalyzed stereospecific ring closure by the intra molecular inversion of a gamma, i.e. 2, carbon atom of a 2 phenol 
for
More specifically , the present invention relates to { HEAD ~ a process } for { TAIL ~ the preparation } of substantially optically pure cishexahydrodibenzofuran compounds including at least two chiral fused ring centers which comprises the acidic catalyzed stereospecific ring closure by the intra molecular inversion of a gamma , i.e. 2 , carbon atom of a 2 phenol
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH