Drupal-Biblio17<style face="normal" font="default" size="100%"> Recent advances in the synthesis of oxaspirolactones and their application in the total synthesis of related natural products </style>Drupal-Biblio17<style face="normal" font="default" size="100%">Ready access to benzannulated [5,5]-oxaspirolactones using Au(III)-catalyzed cascade cyclizations</style>Drupal-Biblio17<style face="normal" font="default" size="100%">Regioselective synthesis of benzannulated [5,6]-oxaspirolactones via Cu(II)-catalyzed cycloisomerization of 2-(5-Hydroxyalkynyl)benzoates</style>Drupal-Biblio17<style face="normal" font="default" size="100%">Ready access to [5,6,5]-Trioxa-spiro and fused ketals via ag-catalyzed cascade annulation of 4-pentyn-1-ols and aldehydes</style>