Highly stereo- and regiocontrolled cyclopentannulation via allylphosphonate conjugate addition and hydroboration-oxidation-elimination. Synthesis of pentalenic acid with virtually complete stereo- and regiocontrol
Highly stereo- and regiocontrolled cyclopentannulation via allylphosphonate conjugate addition and hydroboration-oxidation-elimination. Synthesis of pentalenic acid with virtually complete stereo- and regiocontrol