New Six- to Eight-Membered-Ring Formation Based on the lntramolecular Endo-Mode Ring Closure of Allenyl (Substituted Phenyl)alkyl Ketones
作者:Yoshimitsu Nagao、Woo Song Lee、Yoichi Komaki、Shigeki Sano、Motoo Shiro
DOI:10.1246/cl.1994.597
日期:1994.3
Several allenyl ketones possessing an aryl group were submitted to a new intramolecular endo-mode cyclization with BF3·OEt2 or TiCl4 in CH2Cl2 to afford the corresponding 6-, 7-, and 8-membered carbocyclic products.