Ra. Batey et al., INTRAMOLECULAR DIELS-ALDER REACTIONS OF ALKENYLBORANES - A STEREOSELECTIVE ROUTE TO FUNCTIONALIZED BICYCLO[4.3.0]NONENES, Tetrahedron letters, 38(21), 1997, pp. 3699-3702
A one-pot procedure for the synthesis of bicyclo[4.3.0] alkenols is de
scribed. Alkenylboranes, formed in situ by hydroboration, undergo ster
eoselective intramolecular Diels-Alder reactions to give alkylboranes,
which upon oxidation, yield the products corresponding to endo additi
on. (C) 1997 Elsevier Science Ltd.