Syntheses and absolute configurations of tricyclo[4.3.0.03,7]nonane ("brexane"), 3-oxatricyclo[4.3.0.04,9]nonane ("3-oxabrexane"), and tricyclo[4.2.0.03,7]octan-2-one ("norbrexan-2-one")
Syntheses and absolute configurations of tricyclo[4.3.0.03,7]nonane ("brexane"), 3-oxatricyclo[4.3.0.04,9]nonane ("3-oxabrexane"), and tricyclo[4.2.0.03,7]octan-2-one ("norbrexan-2-one")