A concise entry into the bicyclo[6.4.0]dodecane system present in taxanes. Regioselective Haller-Bauer cleavage in tricyclo[8.2.1.0<sup>2,9</sup>]tridecan-13-ones
A short, regio- and stereoselective approach to functionalized cis-bicyclo[6.4.0]dodecane ring system from readily available 1,5-dimethyl-1,5-cyclooctadiene is reported