Restructuring α-pinene: novel entry into diverse polycarbocyclic frameworks
作者:Goverdhan Mehta、Jayakrishnan Nandakumar
DOI:10.1016/s0040-4039(01)01668-9
日期:2001.10
(−)-α-Pinene 1 has been restructured into a chiral cyclohexenone (+)-6, in which the functionalities were integrated to afford bicyclo[3.3.1]nonan 3,7-diones and a novel tricyclic skeleton 16 related to the sesquiterpene clovene. Intramolecular [2+2] photocycloadditions in (+)-6 and related 5-alkenylcyclohexenones provided an entry into some novel bridged tricyclic systems.