FIG. 1.

Strategy for the synthesis of (+)-biphenyl cis-3,4-dihydrodiol. Compound 1, 1-bromo-2-iodobenzene; compound 2, (+)-cis-(1S,2R)-1,2-dihydroxy-4-bromo-3-iodocyclohexa-3,5-diene; compound 3, (+)-cis-(1S,2R)-1,2-dihydroxy-4-bromocyclohexa-3,5-diene; compound 4, (−)-cis-(1S,2R)-1,2-di-tert-butyldimethylsilyloxy-4-bromocyclohexa-3,5-diene; compound 5, (+)-cis-(1S,2R)-1,2-di-tert-butyldimethylsilyloxy-4-phenylcyclohexa-3,5-diene; compound 6, (+)-cis-(1S,2R)-1,2-dihydroxy-4-phenylcyclohexa-3,5-diene [(+)-biphenyl cis-(3R,4S)-dihydrodiol].