Intramolecular iodoetherification of ene or diene ketals: facile synthesis of spiroketals
作者:Hiromichi Fujioka、Kenji Nakahara、Hideki Hirose、Kie Hirano、Tomohiro Oki、Yasuyuki Kita
DOI:10.1039/c0cc03933k
日期:——
A novel and rapid approach to chiral mono- or di-substituted spiroketals based on remote asymmetric induction by intramolecular iodoetherification of ene or diene ketals has been developed. This strategy concisely offers 5,5- and 5,6-spiroketals including the natural insect pheromone of the wasp.