Stereocontrolled approach to highly substituted cyclopentanones. Application in a formal synthesis of Δ9(12)-capnellene
作者:Susanta Samajdar、Debasis Patra、Subrata Ghosh
DOI:10.1016/s0040-4020(97)10387-8
日期:1998.2
copper(I)-catalysed stereoselective photocycloaddition of the dienes 6a-d followed by stereospecific rearrangement of the cyclobutane derivatives 7a,b, 8 and 9. Employing this methodology a formal synthesis of the sesquiterpene Δ9(12)-capnellene 2 has been achieved.