The stereospecific generation of chirally labelled benzylic centres in o-prenylphenols: 1′-R- and 1′-S-[1′-3H]-rotenonic acid
Abstract
The problem of generating rot-2′-enonic acid stereospecifically with tritium in the 1′R- and 1′S-benzylic positions of the prenyl group is solved by a method generally applicable to o-prenylphenols: chiral centres are constructed on a ring system, with subsequent ring scission.